Garmin G1000 NXi - Beechcraft King Air C90A/C90GT/C90GTi Owner's manual

190-00682-N1 October 2019 Revision 1

System Maintenance Manual

King Air C90 Series

Includes Instructions for Continued Airworthiness

for STC SA01456WI-D

G1000 NXi System Maintenance Manual Page i

King Air C90 Series Revision 1

190-00682-N1

Garmin Ltd. or its subsidiaries

Except as expressly provided herein, no part of this manual may be reproduced, copied, transmitted,

disseminated, downloaded or stored in any storage medium, for any purpose without the express prior

written consent of Garmin. Garmin hereby grants permission to download a single copy of this manual and

of any revision to this manual onto a hard drive or other electronic storage medium to be viewed and to

print one copy of this manual or of any revision hereto, provided that such electronic or printed copy of this

manual or revision must contain the complete text of this copyright notice and provided further that any

unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited.

Garmin International, Inc.

1200 E. 151st Street

Olathe, KS 66062 USA

Telephone: 913.397.8200

www.garmin.com

Garmin (Europe) Ltd.

Liberty House, Bulls Copse Road

Hounsdown Business Park

Southampton, SO40 9LR, UK

Phone: +44 (0) 23 8052 4000

Fax: +44 (0) 23 8052 4004

Garmin AT, Inc.

2345 Turner Rd., SE

Salem, OR 97302 USA

Telephone: 503.391.3411

RECORD OF REVISIONS

Revision Revision Date Description ECO #

1 10/17/2019 Initial Release ---

DOCUMENT PAGINATION

Section Pagination

Table of Contents i

–

viii

Section 1 1 - 6

Section 2 7 - 30

Section 3 31 - 79

Section 4 80 - 122

Section 5 123 - 207

Section 6 208 - 231

Section 7 232 - 302

Section 8 303 - 315

Section 9 316

–

333

A

ppendix

A

334

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INFORMATION SUBJECT TO EXPORT CONTROL LAWS

This document may contain information which is subject to the Export Administration Regulations

(“EAR”) issued by the United States Department of Commerce (15 CFR, Chapter VII Subchapter

C) and which may not be exported, released or disclosed to foreign nationals inside or outside

the United States without first obtaining an export license. The preceding statement is required to

be included on any and all reproductions in whole or in part of this manual.

This product, its packaging, and its components contain chemicals known to the State of

California to cause cancer, birth defects, or reproductive harm. This Notice is being provided in

accordance with California's Proposition 65. If you have any questions or would like additional

information, please refer to our web site at www.garmin.com/prop65

.

The GDU lens is coated with a special anti-reflective coating that is very sensitive to skin oils,

waxes and abrasive cleaners. CLEANERS CONTAINING AMMONIA WILL HARM THE ANTI-

REFLECTIVE COATING. It is very important to clean the lens using a clean, lint-free cloth and

an eyeglass lens cleaner that is specified as safe for anti-reflective coatings.

All G1000 screen shots used in this document are current at the time of publication. Screen shots

are intended to provide visual reference only. All information depicted in screen shots, including

software file names, versions and part numbers, is subject to change and may not be up to date.

CAUTION

WARNING

IMPORTANT

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TABLE OF CONTENTS

PARAGRAPH PAGE

1. INTRODUCTION .................................................................................................................... 1

1.1 Content, Scope, Purpose ................................................................................................. 1

1.2 Organization ..................................................................................................................... 2

1.3 Definitions/Abbreviations ................................................................................................. 3

1.4 Units of Measure .............................................................................................................. 5

1.5 Publications...................................................................................................................... 5

1.6 Revision and Distribution ................................................................................................. 6

2. SYSTEM DESCRIPTION ....................................................................................................... 7

2.1 Equipment Descriptions ................................................................................................... 7

2.2 Electrical Power Distribution .......................................................................................... 20

2.3 Shield Block Grounds .................................................................................................... 22

2.4 G1000NXi /GFC700 Block Diagrams ............................................................................. 23

2.5 GDU 1050A and GDU 1550 Displays ............................................................................ 24

2.6 Softkeys ......................................................................................................................... 25

2.7 FMS Knob ...................................................................................................................... 25

2.8 GCU 475 - MFD Controller ............................................................................................ 26

2.9 GMC 710 - AFCS Controls ............................................................................................ 26

2.10 GMA Audio Panels ......................................................................................................... 27

2.11 G1000 Normal Mode ...................................................................................................... 29

2.12 Reversionary Mode ........................................................................................................ 30

3. SOFTWARE AND CONFIGURATION ................................................................................. 31

3.1 Configuration Mode Overview ........................................................................................ 31

3.2 G1000 System Software Information ............................................................................. 36

3.3 Configuration Mode ........................................................................................................ 41

3.4 G1000 Hardware/Software Compatibility Check ............................................................ 41

3.5 Equipment Verification (Third Party/Optional Equipment Documentation) .................... 42

3.6 Configuration Checklist ................................................................................................. 46

3.7 G1000 Software/Configuration Procedure ..................................................................... 48

3.8 System Software and Configuration Load ..................................................................... 49

3.9 Feature Enablement ...................................................................................................... 60

3.10 Aircraft Registration Number Entry ................................................................................ 65

3.11 Configuration Manager .................................................................................................. 67

3.12 Splash Screen Loading .................................................................................................. 67

3.13 Clearing Default User Settings ....................................................................................... 67

3.14 Database Loading .......................................................................................................... 67

3.15 Configuration of Navigation Map for Non-Garmin (3

rd

party) Traffic System ................. 70

3.16 Interface Confirmation .................................................................................................... 71

3.17 Configure Mid-Continent MD 302 Standby Instrument (if equipped) ............................. 73

3.18 Flight Stream 510 (FS 510) Firmware Update ............................................................... 77

4. INSTRUCTIONS FOR CONTINUED AIRWORTHINESS .................................................... 80

4.1 Airworthiness Limitations ............................................................................................... 80

4.2 Servicing Information ..................................................................................................... 82

4.3 Maintenance Intervals .................................................................................................... 84

4.4 Visual Inspection ............................................................................................................ 91

4.5 Electrical Bonding Test .................................................................................................. 96

4.6 GSU 75B, GRS 77 or GRS 7800 Earth Magnetic Field Updates ................................... 98

4.7 GSA 8X Greasing Procedure ......................................................................................... 99

4.8 Flaps-in-Motion Discrete Input Check .......................................................................... 100

4.9 Slip Clutch Torque and Servo Current Display Check Procedure ............................... 101

4.10 G1000 Redundant Connection Check ......................................................................... 109

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4.11 Engine Data Check ...................................................................................................... 109

4.12 Trim Annunciator Check .............................................................................................. 115

4.13 G1000 Miscompare Checks ......................................................................................... 117

4.14 Nose Avionics Compartment Fans Operational Check ................................................ 119

4.15 Instrument Panel Fans Operational Check .................................................................. 119

4.16 Standby Battery Periodic Checks ................................................................................ 119

5. TROUBLESHOOTING ....................................................................................................... 123

5.1 System Annunciations ................................................................................................. 124

5.2 G1000 Alerting System ................................................................................................ 148

5.3 Aural Alerts .................................................................................................................. 149

5.4 King Air C90 Series Specific Alerts .............................................................................. 150

5.5 TAWS Troubleshooting ................................................................................................ 152

5.6 Synthetic Vision and Pathways Troubleshooting ......................................................... 153

5.7 GFC 700 AFCS Troubleshooting ................................................................................. 154

5.8 General Troubleshooting ............................................................................................. 155

5.9 Backup Communications Path Checks ........................................................................ 167

5.10 GDU 105X Troubleshooting ......................................................................................... 167

5.11 GDU 105X Alerts ......................................................................................................... 169

5.12 GIA Troubleshooting .................................................................................................... 177

5.13 GIA Alert Messages ..................................................................................................... 178

5.14 GEA Troubleshooting ................................................................................................... 184

5.15 GTX Troubleshooting ................................................................................................... 185

5.16 GDL 69A or GDL69A SXM Troubleshooting ................................................................ 186

5.17 GSU 75B, GRS 77, or GRS 7800 and GMU 44 Troubleshooting ................................ 188

5.18 GSU 75B/GDC 74B Troubleshooting ........................................................................... 194

5.19 GWX 68, GWX 70, or GWX 75 Troubleshooting ......................................................... 195

5.20 GMC 710 Troubleshooting ........................................................................................... 196

5.21 GCU 475 Troubleshooting ........................................................................................... 197

5.22 Software/Configuration Troubleshooting ...................................................................... 198

5.23 Backshell/Backplate Connectors ................................................................................. 200

5.24 Mechanical Standby Attitude Indicator Troubleshooting .............................................. 206

5.25 Mechanical Standby Airspeed Indicator Troubleshooting ............................................ 206

5.26 Mechanical Standby Altimeter Troubleshooting ........................................................... 207

5.27 MD 302 Standby Indicator Troubleshooting ................................................................. 207

6. EQUIPMENT REMOVAL AND REPLACEMENT .............................................................. 208

6.1 GDU 1050A/1550 ......................................................................................................... 209

6.2 GMA 1347D or GMA 1360D Audio Panel .................................................................... 209

6.3 GIA 63W or GIA 64E Integrated Avionics Units ........................................................... 210

6.4 GEA 71 or GEA 71B Engine/Airframe Unit .................................................................. 210

6.5 GTX 33( ) Transponder ................................................................................................ 211

6.6 GTX 335R/GTX 345R Transponder ............................................................................. 212

6.7 GDC 74B Air Data Computer ....................................................................................... 212

6.8 GTP 59 OAT Probe ...................................................................................................... 213

6.9 GRS 77 or GRS 7800 AHRS or GSU 75B ADAHRS ................................................... 213

6.10 GMU 44 Magnetometer ............................................................................................... 214

6.11 GDL 69A or GDL 69A SXM ......................................................................................... 215

6.12 GSA 80/ GSA 81 Servos .............................................................................................. 215

6.13 GSM 85A/86 Servo Gearbox ....................................................................................... 217

6.14 GCU 475 ...................................................................................................................... 217

6.15 GMC 710...................................................................................................................... 217

6.16 GWX 68, GWX 70, or GWX 75 .................................................................................... 218

6.17 Configuration Modules ................................................................................................. 218

6.18 GEA 71/71B Backshell Thermocouple Removal & Replacement ................................ 223

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6.19 GPS/WAAS Antennas .................................................................................................. 224

6.20 Diversity Transponder Antenna ................................................................................... 224

6.21 Signal Conditioners ...................................................................................................... 225

6.22 Senior Aerospace PC920 Signal Conditioning Unit ..................................................... 225

6.23 Instrument Panel Annunciators (Prop Synch and Standby Battery) ............................ 226

6.24 L-3 Avionics (BF Goodrich) PS-835(C or D Model) Emergency Battery ...................... 226

6.25 MD 302 Standby Attitude Module (SAM) ..................................................................... 227

6.26 Mechanical Standby Indicators .................................................................................... 229

6.27 Avionics Cooling Fans ................................................................................................. 231

6.28 GDU Cooling Fans ....................................................................................................... 231

7. GARMIN G1000 LRU REPLACEMENT/CONFIGURATION & TESTING ......................... 232

7.1 GDU 1050A/1550 PFD & MFD .................................................................................... 232

7.2 GMA 1347D or GMA 1360D Audio Panel .................................................................... 236

7.3 GIA 63W or GIA 64E Integrated Avionics Unit ............................................................. 242

7.4 GEA 71/71B Engine/Airframe Unit ............................................................................... 252

7.5 GTX 335R, GTX 345R, or GTX 33( ) Transponder ...................................................... 266

7.6 GSU 75B ADAHRS ...................................................................................................... 269

7.7 GDC 74B Air Data ........................................................................................................ 271

7.8 GRS 77 or 7800 AHRS and GMU 44 Magnetometer .................................................. 277

7.9 GMU 44 Magnetometer ............................................................................................... 279

7.10 GSU/GRS/GMU Calibration Procedures ..................................................................... 280

7.11 GDL 69A or GDL 69A SXM Data Link ......................................................................... 289

7.12 GSA 80/ GSA 81 Servos .............................................................................................. 293

7.13 GCU 475 FMS Controller ............................................................................................. 295

7.14 GMC 710 AFCS Controller .......................................................................................... 298

7.15 GWX 68, GWX 70, or GWX 75 Weather Radar ........................................................... 300

8. SUBSYSTEM FUNCTIONAL CHECKS ............................................................................. 303

8.1 Stormscope Functional Check ..................................................................................... 303

8.2 TAWS Functional Check .............................................................................................. 305

8.3 ChartView Functional Check ........................................................................................ 305

8.4 SafeTaxi Functional Check .......................................................................................... 306

8.5 Synthetic Vision (SVS) Functional Check .................................................................... 308

8.6 DME Functional Check ................................................................................................ 308

8.7 ADF Functional Check ................................................................................................. 310

8.8 Non-Garmin Radar Altimeter Check (Optional) ........................................................... 310

8.9 Weight on Wheels and Low Speed Awareness Band Check ...................................... 311

8.10 ESP Functional Check ................................................................................................. 312

8.11 Search and Rescue Functional Check ......................................................................... 315

9. G1000 SYSTEM RETURN TO SERVICE PROCEDURE .................................................. 316

9.1 Display Test ................................................................................................................. 316

9.2 Display Failure Test ..................................................................................................... 319

9.3 Reversion Mode Check ................................................................................................ 320

9.4 Cooling Fan Fail Annunciation Check .......................................................................... 321

9.5 GPS Signal Acquisition ................................................................................................ 322

9.6 GPS Failure Test ......................................................................................................... 323

9.7 GIA Failure Test ........................................................................................................... 324

9.8 GEA Functional Check ................................................................................................. 325

9.9 Standby Instrument Electrical Power Checks .............................................................. 326

9.10 G1000 Backup Path Test ............................................................................................. 328

9.11 GFC 700 Ground Checkout ......................................................................................... 328

9.12 Maintenance Records .................................................................................................. 333

APPENDIX A ............................................................................................................................ 334

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LIST OF ILLUSTRATIONS

FIGURE PAGE

Figure 2-1, Display Units ............................................................................................................... 8

Figure 2-2, Flight Stream 510 ...................................................................................................... 9

Figure 2-3, Audio Panel ................................................................................................................ 9

Figure 2-4, AFCS Controller ....................................................................................................... 10

Figure 2-5, FMS Controller ......................................................................................................... 10

Figure 2-6, Transponders ........................................................................................................... 11

Figure 2-7, GIA unit ..................................................................................................................... 12

Figure 2-8, GEA unit ................................................................................................................... 13

Figure 2-9, GSU-75B ADAHRS with Connector and Mounting Tray ......................................... 14

Figure 2-10, Air Data Computer .................................................................................................. 14

Figure 2-11, OAT probe .............................................................................................................. 15

Figure 2-12, AHRS ...................................................................................................................... 15

Figure 2-13, Magnetometer ........................................................................................................ 16

Figure 2-14, GDL 69A/69A SXM Datalink ................................................................................... 16

Figure 2-15, Weather Radar ....................................................................................................... 17

Figure 2-16, Servo ...................................................................................................................... 17

Figure 2-17, MD 302 Standby Attitude Module ........................................................................... 19

Figure 2-18, C90 Electrical Distribution ..................................................................................... 21

Figure 2-19, Avionics Master Power Schematic ........................................................................ 21

Figure 2-20, G1000 Component Power Sources ....................................................................... 22

Figure 2-21, G1000NXi/GFC 700 Block Diagram ....................................................................... 23

Figure 2-22, GDU 1050A Control Interface ................................................................................. 24

Figure 2-23, GDU 1550 Control Interface ................................................................................... 24

Figure 2-24, G1000 Softkeys ......................................................................................................

25

Figure 2-25, MFD Controls (GCU 475 shown) ............................................................................ 26

Figure 2-26, AFCS Controls (GMC 710 shown) ......................................................................... 26

Figure 2-27, GMA 1347D Controls ............................................................................................. 27

Figure 2-28, GMA 1360D Controls ............................................................................................. 28

Figure 2-29, Normal Mode .......................................................................................................... 29

Figure 2-30, Automatic Reversion with MFD failure ................................................................... 30

Figure 2-31, Manual Reversion with pilot PFD failure ................................................................. 30

Figure 3-1, SET>ACTV Diagram ................................................................................................ 32

Figure 3-2, Loss of Communication ............................................................................................ 33

Figure 3-3, Configuration Status ................................................................................................. 33

Figure 3-4, Data Transmission Indicators ................................................................................... 33

Figure 3-5, G1000 LRU Configuration File Storage .................................................................... 39

Figure 3-6, GSU/GRS/GDC Configuration Settings Storage ...................................................... 40

Figure 3-7, Garmin Unit S/N Location ......................................................................................... 43

Figure 3-8, Ethernet Connections Page ...................................................................................... 44

Figure 3-9, ESP Status Field ...................................................................................................... 45

Figure 3-10, Software/Configuration Overview ........................................................................... 48

Figure 3-11, MFD Aux - Database Page DB Transfer ................................................................ 69

Figure 3-12, Stormscope Configuration Page ............................................................................. 71

Figure 3-13, Stormscope Configuration ...................................................................................... 71

Figure 3-14, Servo Mount Configuration Verification .................................................................. 73

Figure 4-1, Servo Gear .............................................................................................................. 99

Figure 4-2, GIA I/O Page ......................................................................................................... 100

Figure 4-3, Discrete Indications ............................................................................................... 100

Figure 4-4, Airframe Configuration Page .................................................................................

101

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Figure 4-5, GFC Status Page .................................................................................................. 102

Figure 4-6, GFC Status Page .................................................................................................. 103

Figure 4-7, GFC Status Page .................................................................................................. 108

Figure 4-8, Standby Battery ..................................................................................................... 120

Figure 4-9, Power Supply Connection ..................................................................................... 122

Figure 5-1, Aux – System Status Page ..................................................................................... 123

Figure 5-2, System Annunciations ............................................................................................ 124

Figure 5-3, Alerts & Annunciations ........................................................................................... 148

Figure 5-4, Alerts Softkey Annunciation .................................................................................... 148

Figure 5-5, AFCS Annunciation Field ....................................................................................... 154

Figure 5-6, GFC Status Page ................................................................................................... 157

Figure 5-7, Magnetometer Interference Test ............................................................................ 191

Figure 5-8, GIA 63W/64E Backplate Connectors ..................................................................... 200

Figure 5-9, GEA 71/71B Backplate Connectors ....................................................................... 201

Figure 5-10, GMA 1347D/1360D Backplate Connectors .......................................................... 201

Figure 5-11, GTX 33/33D Backplate Connectors ..................................................................... 201

Figure 5-12, GTX 335R/345R Looking at Front of Connector (P3251) ..................................... 202

Figure 5-13, GTX 345R (Only) Looking at Front of Connector (P3252).................................... 202

Figure 5-14, GDU 1050A/1550 Backshell Connector (P10401 or P15001) .............................. 203

Figure 5-15, GRS 77 Backshell Connector (P771) ................................................................... 203

Figure 5-16, GRS 7800 Backshell Connector (P78001) ........................................................... 203

Figure 5-17, GSU 75B Connector View from Front (P751) ....................................................... 203

Figure 5-18, GDC 74B Backshell Connector (P74B1) .............................................................. 204

Figure 5-19, GDL 69A/GDL 69A SXM Backplate Connector (P69A1) ...................................... 204

Figure 5-20, GCU 475 Backshell Connector (P4751) ............................................................... 204

Figure 5-21, GMC 710 Backshell Connector (P7101) .............................................................. 204

Figure 5-22, GWX 68 Backshell Connector (P681) .................................................................. 204

Figure 5-23, GWX 70/75 Backshell Connector (P751) ............................................................. 205

Figure 5-24, Signal Conditioner (PVIB1) ................................................................................... 205

Figure 6-1, Servo Gear ............................................................................................................. 216

Figure 6-2, Configuration Module Installation ........................................................................... 219

Figure 6-3, GRS 7800 Configuration Module Installation ......................................................... 220

Figure 6-4, GSU 75B Configuration Module Installation ........................................................... 221

Figure 6-5, GEA Backshell Thermocouple ................................................................................ 223

Figure 6-6, MD 302 Backshell and Config Module ................................................................... 228

Figure 7-1, G1000 Normal Mode Check ................................................................................... 235

Figure 7-2, Aux – GPS Status Page (MFD) .............................................................................. 249

Figure 7-3, Normal Engine Instrument Markings (MFD) ........................................................... 255

Figure 7-4, Ambient Temperature Conversion Chart ................................................................ 258

Figure 7-5, Aircraft Registration ................................................................................................ 268

Figure 7-6, GRS/GMU Calibration, Pitch/Roll Offset ................................................................ 282

Figure 7-7, GRS/GMU Calibration, Engine Run-Up .................................................................. 286

Figure 7-8, Normal Mode AHRS Check .................................................................................... 288

Figure 8-1, Low Speed Awareness Band Symbolization .......................................................... 311

Figure 9-1, MFD Power Up Page .............................................................................................. 316

Figure 9-2, PFD Power-up System Annunciations ................................................................... 317

Figure 9-3, PFD Normal Operation ........................................................................................... 318

Figure 9-4, GDU Reversionary Mode ....................................................................................... 320

Figure 9-5, AUX-GPS Status Page ........................................................................................... 322

Figure 9-6, AUX-GPS Status Page ........................................................................................... 325

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LIST OF TABLES

TABLE .................................................................................................................................. PAGE

Table 1-1, Required Documents ................................................................................................... 5

Table 1-2, Reference Publications ................................................................................................ 6

Table 3-1, Garmin Unit S/N Prefixes ........................................................................................... 42

Table 3-2, Optional Airframe Weight Configurations .................................................................. 58

Table 3-3, MD302 VNE Setup .................................................................................................... 75

Table 3-4, MD302 Dimming Curve Setup ................................................................................... 76

Table 4-1, Maintenance Intervals ............................................................................................... 84

Table 4-2, Discontinued Maintenance Intervals ......................................................................... 90

Table 4-3, Nose Section Visual Inspection Procedure ............................................................... 91

Table 4-4, Nose Avionics Compartment Visual Inspection Procedure ...................................... 91

Table 4-5, Pilot’s Compartment Visual Inspection Procedure .................................................... 92

Table 4-6, Instrument Panel G1000 Equipment Visual Inspection Procedure ........................... 93

Table 4-7, Cabin Area Visual Inspection Procedure .................................................................. 94

Table 4-8, Rear Fuselage and Empennage Visual Inspection Procedure ................................. 95

Table 4-9, Lightning Strike Inspection Procedure ...................................................................... 95

Table 4-10, Measured Torque ................................................................................................. 105

Table 4-11, Slip Clutch Torque Settings .................................................................................. 107

Table 4-12, Standby Battery Required Equipment .................................................................. 120

Table 5-1, SVS Troubleshooting ............................................................................................... 153

Table 5-2, SVS-Related Alert Messages .................................................................................. 153

Table 5-3, AFCS Annunciation Troubleshooting ....................................................................... 155

Table 5-4, AFCS General Troubleshooting ............................................................................... 156

Table 5-5, Magnetometer Interference Test Sequence ............................................................ 192

Table 6-1, Configuration Module Kit – 011-00979-00 ...............................................................

219

Table 6-2, GRS 7800 Configuration Module Parts ................................................................... 220

Table 6-3, GSU 75B Configuration Module Kit – 011-00979-20 ............................................... 221

Table 6-4, Thermocouple Kit (011-00981-00) ........................................................................... 223

Table 7-1, ITT Indication Test Points ........................................................................................ 257

Table 7-2, Torque Indication Test Points .................................................................................. 259

Table 7-3, N1 Indication Test Points ......................................................................................... 260

Table 7-4, N2 Indication Test Points ......................................................................................... 262

Table 7-5, Fuel Flow Indication Test Points .............................................................................. 263

Table 7-6, Oil Pressure Test Points .......................................................................................... 264

Table 7-7, Oil Temperature Test Points .................................................................................... 265

Table 7-8, Air Data System Test ............................................................................................... 274

Table 7-9, Vertical Speed Table ............................................................................................... 276

Table 7-10, Required GRS/GMU Calibrations .......................................................................... 281

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1. INTRODUCTION

1.1 Content, Scope, Purpose

This document provides Instructions for Continued Airworthiness (ICA) for the G1000NXi

Integrated Flight Deck, including the GFC700 Automatic Flight Control System (AFCS) as

installed in the Textron Aviation (Beechcraft) King Air C90 Series under STC SA01456WI-D. This

document satisfies the requirements for continued airworthiness as defined by 14 CFR Part

23.1529 and Appendix G. Information in this document is required to maintain the continued

airworthiness of the G1000 and GFC700.

Throughout this document, the Garmin Integrated Flight Deck is referred to as the G1000 system.

With the installation of the updated G1000 NXi as part of this amendment to the STC, all

references to the G1000 system in this document include the G1000 NXi system. In addition, the

GFC 700 autopilot system is included for the G1000 NXi system and is only identified separately

when needed.

References to “C90 Series” throughout this document include C90A, C90GT, and C90GTi

models. Items in this document that are aircraft model(s) specific will identify the model(s) instead

of “C90 Series”.

References to “Beechcraft” throughout this document include other Manufacturer names

including Textron Aviation, Hawker Beechcraft, and Raytheon.

1.1.1 Applicability

This document applies to all King Air Model C90 Series aircraft equipped with the G1000 NXi

system. All G1000 NXi King Air C90 Series airplanes are configured per General Arrangement

drawing 005-00375-N1 Rev 1 or subsequent.

Modification of an aircraft by STC SA01456WI-D obligates the aircraft operator to include the

maintenance information provided by this document in the operator’s Aircraft Maintenance

Manual and the operator’s Aircraft Scheduled Maintenance Program.

1.1.2 Identifying an STC Configuration

The General Arrangement drawing lists the G1000 System Software Version numbers approved

for this STC.

This STC allows multiple engine and propeller combinations for the King Air C90 Series. The

correct configuration for a particular aircraft is loaded by choosing the applicable configuration

using Table 5 of the General Arrangement Drawing.

IMPORTANT!

If unsure of an aircraft’s STC configuration, perform the following:

After acknowledgement of the splash screen, use the FMS knob on the GCU 475 controller to go

to the Aux – System Status page on the MFD. In the AIRFRAME section (upper right corner,)

the display shows the current G1000NXi airframe configuration and system software version

number. The airframe configuration is shown in the Airframe field and the system software

version number is shown in the following format: ‘SYS SOFTWARE VERSION XXXX.XX’. It

correlates to the software image used to load the software to the system:

EXAMPLE:

System Software Version ‘0636.00 = Software Image P/N 006-0636-00

Restart the MFD in configuration mode (see Section 3) and use the FMS knob on the GCU 475

controller to go to the GDU-AIRFRAME CONFIGURATION page. In the AIRFRAME section

(upper right corner), verify the correct configuration for SERIES, ENGINE and PROP.

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1.2 Organization

The following outline briefly describes the organization of this manual:

Section 2: System Description

Provides a complete description of the type design change associated with installing the G1000

integrated cockpit system in the King Air C90 Series. An overview of the G1000 system

interface is also provided.

Section 3: Software and Configuration

Provides software and configuration loading instructions for a complete system software load.

Section 4: Instructions for Continued Airworthiness

Provides maintenance instructions for continued airworthiness of the G1000 system.

Section 5: Troubleshooting

Provides troubleshooting information to aid in diagnosing and resolving potential problems with

the G1000 system.

Section 6: Equipment Removal & Replacement

Gives instructions for the removal and replacement of G1000 equipment.

Section 7: Garmin G1000 LRU Replacement/Configuration & Testing

Gives instructions for loading software, configuring, and testing of G1000 equipment.

Section 8: Subsystem Functional Checks

Gives instructions for testing G1000 subsystems.

Section 9: G1000 System Return to Service Procedure

Specifies return-to-service procedures to be performed upon completion of maintenance of the

G1000 system.

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1.3 Definitions/Abbreviations

ADAHRS

: Air Data and Attitude Heading

Reference System

ADC: Air Data Computer

ADF: Automatic Direction Finder

ADS: Automatic Dependent Surveillance –

Broadcast

ADTS: Air Data Test Set

AFCS: Automatic Flight Control System

AFM: Airplane Flight Manual

AFMS: Airplane Flight Manual Supplement

AHRS: Attitude Heading Reference System

ALT: Altitude

ALTM: Altimeter

ANT: Antenna

AOA: Angle of Attack

APR: Approach

ATC: Air Traffic Control

ATT: Attitude

AUX: Auxiliary

AVN: Avionics

AWG: American Wire Gauge

BAR: Barber Pole

BARO: Barometric

BATT: Battery

CAL: Calibration

CDI: Corse Deviation Indicator

CDU: Control Display Unit

CFG: Configuration

CFR: Code of Federal Regulations

CHK: Check

CHNG: Change

CHNL: Channel

CLCH: Clutch

CLR: Clear

CLTR: Clutter

CNFG: Configuration

CNFM: Confirm

COMM: Communications

CTRL: Controller

CWS: Control Wheel Steering

DIFF: Differential

DIP: Dual In-line Package (DIP Switch)

DISC: Disconnect

DME: Distance Measuring Equipment

DOP: Dilution of Precision

DRV: Drive

DVM: Digital Voltmeter

EAR: Export Administration Regulations

EAU: Engine/Airframe Unit

ECO: Engineering Change Order

EIS: Engine Instruments System

ELE: Electrical

ELT: Emergency Locator Transmitter

ENG: Engine

ENR: En-route

ENT: Enter

ERR: Error

ESD: Electrostatic Discharge

ESP: Electronic Stability and Protection

EXT: External

FAA: Federal Aviation Authority

FBO: Fixed-Base Operator

FCS: Flight Controls System

FIS-B: Flight Information Services –

Broadcast

FLC: Flight Level Change

FMS: Flight Management System

FPGA: Field Programmable Gate Array

FPL: Flight Plan

GCS: Ground Clutter Suppression

GEN: Generator

GPS: Global Positioning System

GPWS: Ground Proximity Warning System

HDG: Heading

HSDB: High-Speed Data Bus (Ethernet)

HSI: Horizontal Situation Indicator

IAS: Indicated Airspeed

IAU: Integrated Avionics Unit

ICA: Instructions for Continued

Airworthiness

ICAO: International Civil Aviation

Organization

ICS: Inter-Com System

IFR: Instrument Flight Rules

ILS: Instrument Landing System

INH: Inhibit

INV: Invalid

ITT: Interstage Turbine Temperature

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KIAS: Knots Indicated Airspeed

LCD: Liquid Crystal Display

LDG: Landing

LED: Light Emitting Diode

LNA: Low-Noise Amplifier

LOC: Localizer

LOI: Loss Of Integrity

LRU: Line Replaceable Unit

MDL: Master Drawing List

MFD: Multi-Function Display

MMC: Multi-Media Card

NDB: Non-Directional Beacon

NOTAM: Notice To Airmen

OAT: Outside Air Temperature

PCB: Printed Circuit Board

PED: Personal Electronic Device

PFD: Primary Flight Display

PFT: Pre-Flight

PPH: Pounds Per Hour

PSI: Pounds Per Square Inch

PTT: Press To Talk

PVT: Position Velocity Time

RMT: Remote

RPM: Revolutions Per Minute

RTC: Return To Service

SMS: Short Message Service

SPKR: Speaker

STBY: Standby

STBY ATT: Standby Attitude Indicator

STBY ALT: Standby Altimeter

STBY A/S: Standby Airspeed Indicator

STC: Supplemental Type Certificate

SVS: Synthetic Vision System

SXM: Sirius XM

TAWS: Terrain Awareness & Warning System

TCAS: Traffic Collision Avoidance System

TIS: Traffic Information Services

TIS-A: Traffic Information Services – A

TIS-B: Traffic Information Services –

Broadcast

USP: Under-Speed Protection

VFR: Visual Flight Rules

VHF: Very High Frequency

VOR: Variable Omnirange

WAAS: Wide Area Augmentation System

XPDR: Transponder

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1.4 Units of Measure

Unless otherwise stated, all units of measure are English units.

1.5 Publications

The following documents are required by this maintenance manual to perform maintenance. It is

the responsibility of the owner / operator to ensure latest versions of these documents are used

during operation, servicing, or maintenance of the airplane.

Table 1-1, Required Documents

Part Number Garmin Documents

005-00375-30 STC Master Drawing List

005-00375-N1 General Arrangement, G1000 NXi King Air C90 Series

005-00375-19 GWX Radar Install, King Air C90A

005-00375-21 Antenna Install, King Air C90A/C90GT/C90GTi

005-00375-23 Control Wheel Modification, G1000/GFC 700, King Air C90

005-00375-25 Overhead Control Panel Modification, G1000/GFC 700, King Air C90A

005-00375-26 Pedestal Re-Configuration, King Air C90A

005-00375-28 Main Instrument Panel Installation, King Air C90A/C90GT

005-00375-29 Circuit Breaker Panel Modification, King Air C90A

005-00375-31 Wire Harness Routing, Tail, King Air C90

005-00375-34 Electrical Equipment Install, Nose Bay, King Air C90A

005-00375-41 Roll Servo Install, King Air C90A

005-00375-42 Yaw Servo Install, King Air C90A

005-00375-43 Pitch Servo Install, King Air C90A

005-00375-44 Pitch Trim Servo Install, King Air C90A

005-00375-53 Magnetometer Install, King Air C90A

005-00375-54 OAT Sensor Install, King Air C90A

005-00375-55 Wire Harness Routing, Nose, King Air C90

005-00375-56 Wire Harness Routing, Cabin, King Air C90

005-00375-70 Circuit Breaker Panel Modification, King Air C90A

005-00375-71 Standby Battery Install, King Air C90A

005-00375-78 Cabin Speaker Amplifier Installation, King Air C90

005-00375-79 Fwd Bulkhead Connector Plate Installation, King Air C90

005-00375-83 Glareshield Lighting Modification, King Air C90

005-00375-AA GTX 33D Transponder Option, King Air C90

005-00375-NK Pitot/Static Modification, King Air C90

005-W0022-00 Wiring Diagram, G1000/GFC 700 King C90

320-00326-XX Wire Harness Assembly, G1000/GFC 700

Part Number Textron Aviation Documents

90-590024-11 King Air C90 Series Wiring Diagram Manual

90-590012-13 King Air Model 90 Series Maintenance Manual

101-590097-13 King Air Series Component Maintenance Manual

G1000 NXi System Maintenance Manual Page 6

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The following publications are recommended to be on hand during the performance of

maintenance activities.

Table 1-2, Reference Publications

Part Number Garmin Document

190-00303-10 GRS77/GMU44 Installation Manual

190-00303-72 GSA8X/GSM85(A) Installation Manual

190-00303-83 GSM 86 Servo Gear Box Installation Manual

190-00313-12 Circular Connector (and Configuration Module) Installation Instructions

190-00313-63 GMU 44 Installation Location Magnetic Interference Survey Procedure

190-00355-04 GDL 69 Series SiriusXM Satellite Radio Activation Instructions

190-00355-07 GDL 69 Series TSO Installation Manual

190-00907-00 G1000/G1000H System Maintenance Manual (Standard Piston/Turboprop/Helicopter)

190-00682-N2

Airplane Flight Manual Supplement, G1000 NXi and GFC 700, Textron Aviation C90

Series King Air

190-01091-00 GRS 7800 Installation Manual

190-01501-00 Garmin Pilot for iOS User’s Guide

190-01532-00 Garmin Pilot for Android User’s Guide

190-01532-01 User's Guide, Garmin Pilot for Android (Phone)

190-01639-00 GSU 75 Installation Manual

190-02009-00 GWX Processor Installation Manual

190-02640-0X G1000 NXi Pilot’s Guide Textron Aviation C90 Series

190-02641-0X G1000 NXi Cockpit Reference Guide Textron Aviation C90 Series

Generic installation manuals for individual Garmin LRUs are also available through the ‘Dealer

Resource Center’ section of the Garmin web site.

1.6 Revision and Distribution

This document is required for maintaining the continued airworthiness of the aircraft. When this

document is revised, every page will be revised to indicate current revision level.

Garmin Dealers may obtain the latest revision of this document on the Garmin Dealer Resource

Center website.

Owner/operators may obtain the latest revision of this document from the https://fly.garmin.com/

Support page, or by contacting a Garmin dealer, contacting Garmin Product Support at 913-397-

8200, toll free 866-739-5687, or using around the world contact information on

https://fly.garmin.com/.

A Garmin Service Bulletin describing the revision to this document will be sent to Garmin

dealers if the revision is determined to be significant.

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2. SYSTEM DESCRIPTION

2.1 Equipment Descriptions

2.1.1 GFC 700 Operation

The GFC 700 is a fail-passive digital flight control system composed of multiple G1000 LRUs

and servos. The following functions are provided by the GFC 700 in this installation:

• Flight Director

• Autopilot

• Pitch Trim

• Yaw Damper

• Electronic Stability and Protection (optional)

Flight Director:

The Flight Directors operate within the GIA 63Ws or GIA 64Es and use data from the G1000

system, including air, attitude and flight data, to calculate commands for display to the pilot and

for the Autopilot. Flight director command bars and mode annunciations are sent to the PFDs

through a high-speed Ethernet connection for display to the pilot and copilot. The flight directors

operate independently of the autopilot and allow the pilot to hand-fly the command bars, if

desired. The GMC 710 allows the pilot to switch the active director between flight director #1

(GIA1) and flight director #2 (GIA2).

Autopilot:

The autopilot operates within one high-speed GSA 81 servo (pitch trim) and three GSA 80

servos (pitch, roll and yaw). Flight director data is processed within the servos and turned into

aircraft flight control surface commands. The autopilot cannot operate unless the flight director

is engaged.

Manual Electric Trim:

When the autopilot is not engaged, the pitch trim servo may be used to provide a Manual Electric

Pitch Trim (MEPT) function. This allows the pilot or co-pilot to adjust pitch trim from the PITCH

TRIM switch on the control wheel in lieu of using the elevator trim wheel. Trim speeds are

scheduled to provide easier control over a wide speed or configuration range. The PITCH TRIM

switch is split into two halves. The left half arms MEPT. The right half controls direction. Both

halves must be actuated at the same time to command the pitch trim servo to operate. If only

one half of the PITCH TRIM switch is actuated for more than 3 seconds, a red PTRM message

will appear on the PFDs.

Yaw Damper:

The yaw damper reduces Dutch roll tendencies and coordinates turns. It can operate

independently of the autopilot and may be used during normal hand-flight maneuvers.

Electronic Stability and Protection:

Electronic Stability and Protection (ESP) is an optional function that is intended to assist the pilot

in maintaining the airplane in a safe flight condition within the aircraft flight envelope. This

envelope is defined by pitch, roll, and airspeed. This feature is only active when in flight and the

autopilot is off.

Underspeed Protection:

The optional Underspeed Protection (USP) system is available when the ESP system is

installed, and the autopilot is on. It is designed to discourage aircraft operation below minimum

established airspeeds. When the aircraft decelerates to stall warning, the autopilot will provide

input causing the aircraft to pitch down and wings to level. The pitch down force will continue

until the aircraft reaches a pitch attitude at which IAS equals the IAS at which stall warning turns

off, plus two knots.

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2.1.2 GDU 1050A PFD (2) & GDU 1550 MFD

Two Garmin GDU 1050A displays and one GDU 1550 display are installed in the King Air

instrument panel. The GDU 1050A units, 10.4 inch LCD displays with 1024x768 resolution, are

configured as PFD 1 and PFD 2; the GDU 1550 unit, a 15 inch LCD display with 1400 x1050

resolution, is configured as a MFD. All displays provide control and display of nearly all functions

of the G1000 integrated cockpit system. The PFD displays are located on either side of the

MFD, with the stand-by instruments located between the Pilot’s PFD (PFD 1) and the MFD.

GMA 1347D or GMA 1360D Audio Panels are located outboard of each PFD. Additionally, a

GMC 710 AFCS Controller is located in the upper instrument panel, above the MFD, and a GCU

475 is installed in the pedestal. The GCU 475 provides the control interface for the MFD.

The GDU 1550 communicates with the GDU 1050A units, GDL 69A /GDL69 SXM datalink,

GWX68, GWX 70, or GWX 75 weather radar through a high-speed data bus (HSDB) Ethernet

connection. The GDU 1550 communicates with the GCU 475 via RS-232 digital interface.

The GDU 1050A units communicate with each other and the GIA 63W or GIA 64E units through

a high-speed data bus (HSDB) Ethernet connection.

Electrical power to PFD 1, MFD, and PFD 2 is provided by the triple-fed bus. The triple-fed bus

is powered by the battery and both generator buses. Additionally, a secondary power source is

provided to PFD 1 by the center bus, which is fed by both generator buses and the battery.

Therefore, the displays power-up immediately with external or aircraft power or battery

operation. All displays are installed in the King Air panel using ¼-turn fasteners. Three CDU

cooling fans are also installed behind the panel for PFD and MFD cooling.

Figure 2-1, Display Units

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2.1.3 Flight Stream 510

The Flight Stream™ 510 (FS 510) is a Wi-Fi/Bluetooth capable multi-media card (MMC) that is

installed in the bottom SD slot of the MFD. It sends position, velocity, time, attitude, heading,

and flight plan transfer to mobile devices via Bluetooth. It is also capable of sending FIS-B, TIS-

B traffic, Sirius XM audio control, and Sirius XM weather data. The FS 510 can also interface

with a mobile device via Wi-Fi for the purposes of updating databases used by the GDU(s).

Bluetooth and Wi-Fi are mutually exclusive with only one interface functional at a time.

Connecting via Wi-Fi requires a pilot-configurable Wi-Fi Protected Access WPA2 security

password. By updating databases wirelessly, new databases may be transferred to the G1000

system without taking the data card out of the aircraft.

Figure 2-2, Flight Stream 510

2.1.4 GMA 1347D or GMA 1360D Audio Panel (2)

The Garmin GMA 1347D or GMA 1360D Audio Panel integrates NAV/COM digital audio,

intercom system and marker beacon controls. The C90 Series installation includes two GMA

1347D or GMA 1360D panels. The GMA 1347D or GMA 1360D panels provide control of all

cockpit intercom/mic systems as well as NAV/COM/ILS audio. The units also provide display

reversion mode control through a large red button. Warning and alert audio received by the

GMA 1347Ds or GMA 1360Ds is processed by and received from the GIA 63W or GIA 64E

Integrated Avionics Units (IAUs). Electrical power to GMA 1 and GMA 2 is provided by the

Avionics Bus. These units will operate after selecting Avionics Master on. The GMA 1347D

or GMA 1360D unit interface with the existing marker beacon antenna, as well as existing mic

and phone jacks and oxygen mask mic.

Figure 2-3, Audio Panel

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2.1.5 GMC 710 AFCS Control Unit

The dedicated AFCS controls on the GMC 710 allow crew control interface with the various GFC

700 autopilot / flight director functions. GMC 710 controls are discussed in detail in the G1000

King Air C90 Series Cockpit Reference Guide. The GMC 710 is powered by the triple fed bus.

Figure 2-4, AFCS Controller

2.1.6 GCU 475 FMS Control Unit

The GCU 475 functions as the primary control interface to the GDU 1550 MFD. The GCU 475

provides alphanumeric, softkey, and flight planning function keys used to interface with the

G1000; the MFD does not possess any knobs or controls other than softkeys. The GCU 475 is

powered by the triple-fed bus. Detailed instructions regarding the controls are discussed in the

G1000 Cockpit Reference Guide.

Figure 2-5, FMS Controller

2.1.7 GTX Transponder (2)

The Garmin GTX 33( ), GTX 345R, or GTX 335R transponders communicate with the on-side

GIA 63W or GIA 64E through RS-232 digital interface.

This STC installation allows for installation of two GTX 33 transponders, two GTX 33D diversity

transponders, one of each GTX 33/GTX 33D, of two GTX 335R transponders, or one each GTX

345R/GTX 335R. Additionally, one GTX 345R transponder may be installed with one GTX 33,

or GTX 33D transponder. The GTX 345R provides ADS-B In capability.

The GTX 345R also communicates with the G1000 Avionics through an HSDB interface

connected to PFD1. When installed, the GTX 345R communicates and controls the third-party

TCAS system through the ARINC 429 and discrete interface for all TAS/TCAS I operations. The

GTX 345R correlates TAS/TCAS I targets with ADS-B and TIS-B targets to provide one

coordinated traffic display to the crew. The GTX 345R does not support TCAS II.

The units are mounted in the nose equipment bay.

Power is provided to the No. 1 GTX from the No. 1 avionics bus . The No. 2 GTX is powered

from the No. 2 avionics bus. All GTX transponders (non-diversity and diversity) interface with

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a transponder antenna mounted to the bottom of the fuselage. Each GTX diversity transponder

(GTX33D) interfaces to a transponder antenna mounted to the top of the fuselage.

GTX 33()

GTX 345R/GTX 335R

Figure 2-6, Transponders

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Garmin G1000 NXi - Beechcraft King Air C90A/C90GT/C90GTi Owner's manual

Garmin G1000 NXi - Beechcraft King Air C90A/C90GT/C90GTi Owner's manual

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