Maintenance Manual
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Number: 190-01277-A3 Rev. 1 Garmin International, Inc. 1200 E. 151st Street Olathe, Kansas 66062 USA 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page A System Maintenance Manual GRA 55/5500 Bell 206 STC as installed in Bell 206B, 206L Series Reg. S/N Contains Instructions for Continued Airworthiness for Bell 206 STC Dwg. No.
Number: 190-01277-A3 Rev. 1 Garmin International, Inc. 1200 E. 151st Street Olathe, Kansas 66062 USA 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page A System Maintenance Manual GRA 55/5500 Bell 206 STC as installed in Bell 206B, 206L Series Reg. S/N Contains Instructions for Continued Airworthiness for Bell 206 STC Dwg. No.
Maintenance Manual
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... 23 8052 4000 Fax: +44 (0) 23 8052 4004 Aviation Support +44 (0) 87 0850 1243 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page B © 2014 Garmin International, Inc. SE Salem, OR 97302 USA Telephone: (503) 581-8101 Telephone (Toll Free): (800) 525-6726 Canada: (800) 654...-3415 Fax: (503) 364-2138 E-mail: support.salem@garmin.com Garmin (Europe) Ltd. or its subsidiaries All Rights Reserved Except as expressly provided herein, no part of this manual may be viewed and to this guide...
... 23 8052 4000 Fax: +44 (0) 23 8052 4004 Aviation Support +44 (0) 87 0850 1243 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page B © 2014 Garmin International, Inc. SE Salem, OR 97302 USA Telephone: (503) 581-8101 Telephone (Toll Free): (800) 525-6726 Canada: (800) 654...-3415 Fax: (503) 364-2138 E-mail: support.salem@garmin.com Garmin (Europe) Ltd. or its subsidiaries All Rights Reserved Except as expressly provided herein, no part of this manual may be viewed and to this guide...
Maintenance Manual
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Visit the Garmin web site (www.garmin.com) for current updates and supplemental information concerning the operation of the reason for the particular operation. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page i CAUTION Cautions are used to alert the individual that not ... penalty of up to 10 years imprisonment and a fine of up to expand and explain the preceding step and provide further understanding of Garmin products. NOTE Notes are used to $1,000,000 under Section 2410 of the Export Administration Act of Federal Regulations (CFR), Chapter VII, ...
Visit the Garmin web site (www.garmin.com) for current updates and supplemental information concerning the operation of the reason for the particular operation. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page i CAUTION Cautions are used to alert the individual that not ... penalty of up to 10 years imprisonment and a fine of up to expand and explain the preceding step and provide further understanding of Garmin products. NOTE Notes are used to $1,000,000 under Section 2410 of the Export Administration Act of Federal Regulations (CFR), Chapter VII, ...
Maintenance Manual
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...Instructions for Continued Airworthiness for the Bell 206B, 206L, L-1, L-3, and L-4 rotorcraft, modified by the agency installing the Garmin GRA 55/5500 radar altimeter system under the GRA 55/5500 STC. It is the responsibility of 14 CFR §27.1529, and Part 27 Appendix A. ACO:Aircraft Certification ...to determine the suitability of the documents for the ICA. 1.5 Definitions The following terminology is used by the installation of the Garmin GRA 55/5500 STC. 1.3 Document Control This document is released, archived, and controlled in compliance with STC engineering data when applying ...
...Instructions for Continued Airworthiness for the Bell 206B, 206L, L-1, L-3, and L-4 rotorcraft, modified by the agency installing the Garmin GRA 55/5500 radar altimeter system under the GRA 55/5500 STC. It is the responsibility of 14 CFR §27.1529, and Part 27 Appendix A. ACO:Aircraft Certification ...to determine the suitability of the documents for the ICA. 1.5 Definitions The following terminology is used by the installation of the Garmin GRA 55/5500 STC. 1.3 Document Control This document is released, archived, and controlled in compliance with STC engineering data when applying ...
Maintenance Manual
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... document identifies the Instructions for Continued Airworthiness for the modification of the aircraft by the installation of the Garmin GRA 55/5500 Part 27 STC. 1.7.1 Applicability Applies to aircraft altered by the installation of the Garmin GRA 55/5500 Part 27 STC. 1.7.2 Definition of Abbreviations See Section 1.5 and Section 1.6. 1.7.3 Precautions None. 1.7.4 Units of measurement None. 1.7.5 Referenced...
... document identifies the Instructions for Continued Airworthiness for the modification of the aircraft by the installation of the Garmin GRA 55/5500 Part 27 STC. 1.7.1 Applicability Applies to aircraft altered by the installation of the Garmin GRA 55/5500 Part 27 STC. 1.7.2 Definition of Abbreviations See Section 1.5 and Section 1.6. 1.7.3 Precautions None. 1.7.4 Units of measurement None. 1.7.5 Referenced...
Maintenance Manual
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... radar altimeter antennas are compatible with an installed Garmin GTN 6XX/7XX for pilot display of aircraft altitude and system degraded warnings. GRA 55/5500 Block Diagram System Maintenance Manual GRA 55/5500 Bell 206 STC Page 2-1 2 SYSTEM ...QREV %XWWRQV 7; 190-01277-A3 Rev. 1 0DLQ 3URFHVVLQJ 8QLW 5; .(< *5$ /58 $5,1& 0LFURSURFHVVRU EDVHGVXEV\VWHP Figure 2-1. The GRA 55/5500 radar altimeter system features: two antenna architecture for transmitting and receiving radio waves for altitude quantities, remote mounted LRU transceiver for quantifying Above Ground...
... radar altimeter antennas are compatible with an installed Garmin GTN 6XX/7XX for pilot display of aircraft altitude and system degraded warnings. GRA 55/5500 Block Diagram System Maintenance Manual GRA 55/5500 Bell 206 STC Page 2-1 2 SYSTEM ...QREV %XWWRQV 7; 190-01277-A3 Rev. 1 0DLQ 3URFHVVLQJ 8QLW 5; .(< *5$ /58 $5,1& 0LFURSURFHVVRU EDVHGVXEV\VWHP Figure 2-1. The GRA 55/5500 radar altimeter system features: two antenna architecture for transmitting and receiving radio waves for altitude quantities, remote mounted LRU transceiver for quantifying Above Ground...
Maintenance Manual
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...'s installation directory for download from ground level to use the web browser's download shortcuts). 2. The last screen of the Garmin website (www.garmin.com). The GRA 55/5500 displays the radar altitude height above 2550ft AGL, during "No Computed Data" (NCD) conditions. Click the "Close"... using a personal computer (installed with Microsoft Windows XP Service Pack 3 or later) and the GRA 55/5500 Retrofit Installation Tool, Garmin part number 006-A0451-00. The GRA 55/5500 Retrofit Installation Tool Setup Wizard will be displayed ranging from the Dealer Resource Center portion of...
...'s installation directory for download from ground level to use the web browser's download shortcuts). 2. The last screen of the Garmin website (www.garmin.com). The GRA 55/5500 displays the radar altitude height above 2550ft AGL, during "No Computed Data" (NCD) conditions. Click the "Close"... using a personal computer (installed with Microsoft Windows XP Service Pack 3 or later) and the GRA 55/5500 Retrofit Installation Tool, Garmin part number 006-A0451-00. The GRA 55/5500 Retrofit Installation Tool Setup Wizard will be displayed ranging from the Dealer Resource Center portion of...
Maintenance Manual
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If an assert has been logged to Garmin Engineering. The raw log option will be most helpful for further diagnostic evaluation). Diagnostics Page 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-6 This will only be used to download the unit's assert log. The "Capture Raw Log to CSV...
If an assert has been logged to Garmin Engineering. The raw log option will be most helpful for further diagnostic evaluation). Diagnostics Page 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-6 This will only be used to download the unit's assert log. The "Capture Raw Log to CSV...
Maintenance Manual
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... recorded unit temperatures The troubleshooting methods listed herein are no assert log entries for the Garmin GRA 55/5500 Radar Altimeter. GRA 5500 Fault Descriptions Fault Type Fault Name Configuration N/A Zero-Foot Lock Calibration Zero-Foot Cal Description Cause Resolution... for this fault. Zero-Foot point is possible at the dealer service center due to Garmin for specialized unit test setups and test software. 5 TROUBLESHOOTING INFORMATION 5.1 GRA 55/5500 General Troubleshooting This section provides troubleshooting information for this fault. 190-01277-A3 Rev....
... recorded unit temperatures The troubleshooting methods listed herein are no assert log entries for the Garmin GRA 55/5500 Radar Altimeter. GRA 5500 Fault Descriptions Fault Type Fault Name Configuration N/A Zero-Foot Lock Calibration Zero-Foot Cal Description Cause Resolution... for this fault. Zero-Foot point is possible at the dealer service center due to Garmin for specialized unit test setups and test software. 5 TROUBLESHOOTING INFORMATION 5.1 GRA 55/5500 General Troubleshooting This section provides troubleshooting information for this fault. 190-01277-A3 Rev....
Maintenance Manual
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... failure Check antenna installation and all cable connections. Cycle power to Garmin for diagnosis. If fault persists, return unit to Garmin for service. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-2 If fault persists, return unit to Garmin for service. Download the assert log and send to unit. Failure...
... failure Check antenna installation and all cable connections. Cycle power to Garmin for diagnosis. If fault persists, return unit to Garmin for service. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-2 If fault persists, return unit to Garmin for service. Download the assert log and send to unit. Failure...
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...is read to determine correct frequency output. Cycle power to unit. If fault persists, return unit to Garmin for service. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-3 Fault Type Digital HW Digital HW Fault Name Description Cause Clock Generator I2C... Clock Generator is read to RF Temp Sensor I2C determine correct operation. If fault persists, return unit to Garmin for service. ADC did ...
...is read to determine correct frequency output. Cycle power to unit. If fault persists, return unit to Garmin for service. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-3 Fault Type Digital HW Digital HW Fault Name Description Cause Clock Generator I2C... Clock Generator is read to RF Temp Sensor I2C determine correct operation. If fault persists, return unit to Garmin for service. ADC did ...
Maintenance Manual
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...rail outputs If fault persists, improper voltage Internal power supply failure download the assert log and send to Garmin for diagnosis. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-4 Internal power supply failure If fault persists, download the assert log and... send to Garmin for diagnosis. +80 V backup power rail outputs improper voltage Aircraft power input voltage out of range...
...rail outputs If fault persists, improper voltage Internal power supply failure download the assert log and send to Garmin for diagnosis. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-4 Internal power supply failure If fault persists, download the assert log and... send to Garmin for diagnosis. +80 V backup power rail outputs improper voltage Aircraft power input voltage out of range...
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... diagnosis. Internal power supply failure If fault persists, download the assert log and send to Garmin for diagnosis. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-5 Aircraft power input voltage out of range Check aircraft power supply. Internal power... supply failure If fault persists, download the assert log and send to Garmin for diagnosis. +5.75 V power rail outputs...
... diagnosis. Internal power supply failure If fault persists, download the assert log and send to Garmin for diagnosis. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-5 Aircraft power input voltage out of range Check aircraft power supply. Internal power... supply failure If fault persists, download the assert log and send to Garmin for diagnosis. +5.75 V power rail outputs...
Maintenance Manual
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...unit. If fault persists, download the assert log and send to Garmin for diagnosis. Download the assert log and send to Garmin for diagnosis. If fault persists, return unit to Garmin for service. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-6 The LO PLL is not ...failure Aircraft power lost for this fault. Note there are no assert log entries for greater than 220 ms Aircraft power failure Failure to Garmin for diagnosis. If fault persists, download the assert log and send to program DDS or read back correct register information from the DDS ...
...unit. If fault persists, download the assert log and send to Garmin for diagnosis. Download the assert log and send to Garmin for diagnosis. If fault persists, return unit to Garmin for service. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-6 The LO PLL is not ...failure Aircraft power lost for this fault. Note there are no assert log entries for greater than 220 ms Aircraft power failure Failure to Garmin for diagnosis. If fault persists, download the assert log and send to program DDS or read back correct register information from the DDS ...
Maintenance Manual
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If fault persists, return unit to Garmin for service. Return unit to qualified temperature range as specified in Environmental Qualification Form (EQF). Fault Type Temperature Fault Name Main Temp (Fault also included ... can be found in the Power on Self Test (POST) fault list and in normal operational mode fault list. If fault persists, return unit to Garmin for identification. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-7
If fault persists, return unit to Garmin for service. Return unit to qualified temperature range as specified in Environmental Qualification Form (EQF). Fault Type Temperature Fault Name Main Temp (Fault also included ... can be found in the Power on Self Test (POST) fault list and in normal operational mode fault list. If fault persists, return unit to Garmin for identification. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-7
Maintenance Manual
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... THROUGH 0.179-100 8 PLCS REF. GRA 55/5500 Antenna Installation 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 6-3 Rack Installation EXISTING ANTENNA MOUNTS TBS 31.80 TBS 50.22 TBS 71.44 S67-200222 CONDUCTIVE GASKET, 0.020 INCH THICK INCLUDED IN ANTENNA KIT GARMIN P/N 013-00378-00 (2X) S67...
... THROUGH 0.179-100 8 PLCS REF. GRA 55/5500 Antenna Installation 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 6-3 Rack Installation EXISTING ANTENNA MOUNTS TBS 31.80 TBS 50.22 TBS 71.44 S67-200222 CONDUCTIVE GASKET, 0.020 INCH THICK INCLUDED IN ANTENNA KIT GARMIN P/N 013-00378-00 (2X) S67...
Maintenance Manual
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...the customer may be contacted during normal business hours via telephone 913-397-8200 or from the Garmin web site at www.flyGarmin.com. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 8-1 If the LRU indicates an internal failure, the unit may ...contact Garmin with the aircraft permanent records. A Garmin Service Bulletin describing ICA revision will follow the Garmin ODA Procedures Manual SOP-0055/ACP-0016 for ...
...the customer may be contacted during normal business hours via telephone 913-397-8200 or from the Garmin web site at www.flyGarmin.com. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 8-1 If the LRU indicates an internal failure, the unit may ...contact Garmin with the aircraft permanent records. A Garmin Service Bulletin describing ICA revision will follow the Garmin ODA Procedures Manual SOP-0055/ACP-0016 for ...
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....45 FS 167.33 TBS 50.22 TBS 71.44 WL 51.67 WL 0.00 REF. EXISTING AVIONICS SHELF REF. GARMIN GTN NAVIGATOR WL 0.00 GRA RADAR ALTIMETER INSTALLATION REF. CIRCUIT BREAKER INSTALLATION WL 51.67 REF. EXISTING ANTENNA MOUNTS REF. EXISTING ANTENNA MOUNTS FS 0.00...22 TBS 71.44 Figure A-1. GRA STC Equipment Fuselage Station Location for the GRA55/5500 component locations. GARMIN GDU 620 DISPLAY REF. EXISTING AVIONICS SHELF Figure A-2. GRA STC Equipment Fuselage Station Location for Bell 206L Series 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page A-1
....45 FS 167.33 TBS 50.22 TBS 71.44 WL 51.67 WL 0.00 REF. EXISTING AVIONICS SHELF REF. GARMIN GTN NAVIGATOR WL 0.00 GRA RADAR ALTIMETER INSTALLATION REF. CIRCUIT BREAKER INSTALLATION WL 51.67 REF. EXISTING ANTENNA MOUNTS REF. EXISTING ANTENNA MOUNTS FS 0.00...22 TBS 71.44 Figure A-1. GRA STC Equipment Fuselage Station Location for the GRA55/5500 component locations. GARMIN GDU 620 DISPLAY REF. EXISTING AVIONICS SHELF Figure A-2. GRA STC Equipment Fuselage Station Location for Bell 206L Series 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page A-1
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...-2573-01 3 015-2567-00 4 AN525-10R7 5 MS21047-3 6 MS20470AD3-3 Source Garmin Garmin Garmin Best Source Best Source Best Source Description GRA 55 Radar Altimeter Unit GRA 5500 Radar Altimeter Unit Connector Kit, GRA Radar Altimeter Rack, Mounting, GRA Radar Altimeter Screw, Washer Head, 0.1900-32 UNF-3A, 7/16" Long Nut,...L SERIES, OR 206-031-309-115 WEB INSTALLATION, STA 130.00 TO 192.84, BELL 206B Figure A-3. Bill of materials. GRA 55/5500 Unit and Rack Installation in the Bell 206B and Bell 206L Series and reference notations to Figure A-3. Figure A-3 depicts a typical...
...-2573-01 3 015-2567-00 4 AN525-10R7 5 MS21047-3 6 MS20470AD3-3 Source Garmin Garmin Garmin Best Source Best Source Best Source Description GRA 55 Radar Altimeter Unit GRA 5500 Radar Altimeter Unit Connector Kit, GRA Radar Altimeter Rack, Mounting, GRA Radar Altimeter Screw, Washer Head, 0.1900-32 UNF-3A, 7/16" Long Nut,...L SERIES, OR 206-031-309-115 WEB INSTALLATION, STA 130.00 TO 192.84, BELL 206B Figure A-3. Bill of materials. GRA 55/5500 Unit and Rack Installation in the Bell 206B and Bell 206L Series and reference notations to Figure A-3. Figure A-3 depicts a typical...
Maintenance Manual
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EXISTING ANTENNA MOUNTS REF. GARMIN GTN NAVIGATOR WL 0.00 190-01277-A3 Rev. 1 Figure A-7. REF. All harnesses fabricated as part of the LRUs and antennas for the GRA 55/5500 throughout the aircraft structure for the Bell 206B rotorcraft. Bell 206B LRU and Antenna Locations System Maintenance Manual GRA 55/5500 Bell 206 STC Page A-6 Figure...
EXISTING ANTENNA MOUNTS REF. GARMIN GTN NAVIGATOR WL 0.00 190-01277-A3 Rev. 1 Figure A-7. REF. All harnesses fabricated as part of the LRUs and antennas for the GRA 55/5500 throughout the aircraft structure for the Bell 206B rotorcraft. Bell 206B LRU and Antenna Locations System Maintenance Manual GRA 55/5500 Bell 206 STC Page A-6 Figure...