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S/N Contains Instructions for Continued Airworthiness for Bell 206 STC Dwg. 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 No. 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. 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 No. System Maintenance Manual GRA 55/5500 Bell 206 STC as installed in Bell 206B, 206L Series Reg.
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... nationals inside or outside of the United States without notice. Visit the Garmin web site (www.garmin.com) for the particular operation. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page i NOTE Notes are used to bring to the installer's immediate attention that damage to equipment may result if the procedural... and a fine of up to $1,000,000 under Section 2410 of the Export Administration Act of 1979. Include this notice with any reproduced portion of Garmin products.
... nationals inside or outside of the United States without notice. Visit the Garmin web site (www.garmin.com) for the particular operation. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page i NOTE Notes are used to bring to the installer's immediate attention that damage to equipment may result if the procedural... and a fine of up to $1,000,000 under Section 2410 of the Export Administration Act of 1979. Include this notice with any reproduced portion of Garmin products.
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... 3-8 4 INSTRUCTIONS FOR CONTINUED AIRWORTHINESS 4-1 4.1 Servicing Information ...4-1 4.2 Periodic Maintenance ...4-1 4.3 Special Tools ...4-1 4.4 Maintenance Intervals ...4-2 5 TROUBLESHOOTING INFORMATION 5-1 5.1 GRA 55/5500 General Troubleshooting 5-1 6 REMOVAL AND REPLACEMENT INFORMATION 6-1 6.1 Unit Installation ...6-1 6.1.1 Installation Procedure 6-1 6.1.2 Removal Procedure 6-1 6.2 Rack Installation ...6-1 6.2.1 Installation Procedure 6-1 6.2.2 Removal Procedure 6-1 6.3 Antenna Installation ...6-1 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page ii
... 3-8 4 INSTRUCTIONS FOR CONTINUED AIRWORTHINESS 4-1 4.1 Servicing Information ...4-1 4.2 Periodic Maintenance ...4-1 4.3 Special Tools ...4-1 4.4 Maintenance Intervals ...4-2 5 TROUBLESHOOTING INFORMATION 5-1 5.1 GRA 55/5500 General Troubleshooting 5-1 6 REMOVAL AND REPLACEMENT INFORMATION 6-1 6.1 Unit Installation ...6-1 6.1.1 Installation Procedure 6-1 6.1.2 Removal Procedure 6-1 6.2 Rack Installation ...6-1 6.2.1 Installation Procedure 6-1 6.2.2 Removal Procedure 6-1 6.3 Antenna Installation ...6-1 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page ii
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TABLE OF CONTENT CONTINUED 6.3.1 Installation Procedure 6-1 6.3.2 Removal Procedure 6-2 7 RETURN TO SERVICE PROCEDURE 7-1 7.1 Return to Service ...7-1 7.2 Maintenance Records ...7-1 8 LIMITATIONS AND ADDITIONAL REQUIREMENTS 8-1 8.1 Diagrams ...8-1 8.2 Special Inspection Requirements 8-1 8.3 Application of ...and Distribution 8-1 8.8 Assistance ...8-1 8.9 Implementation and Record Keeping 8-2 9 AIRWORTHINESS LIMITATIONS SECTION 9-1 APPENDIX A AIRCRAFT SPECIFIC INFORMATION A-1 A.1 Weight and Balance ...A-5 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page iii
TABLE OF CONTENT CONTINUED 6.3.1 Installation Procedure 6-1 6.3.2 Removal Procedure 6-2 7 RETURN TO SERVICE PROCEDURE 7-1 7.1 Return to Service ...7-1 7.2 Maintenance Records ...7-1 8 LIMITATIONS AND ADDITIONAL REQUIREMENTS 8-1 8.1 Diagrams ...8-1 8.2 Special Inspection Requirements 8-1 8.3 Application of ...and Distribution 8-1 8.8 Assistance ...8-1 8.9 Implementation and Record Keeping 8-2 9 AIRWORTHINESS LIMITATIONS SECTION 9-1 APPENDIX A AIRCRAFT SPECIFIC INFORMATION A-1 A.1 Weight and Balance ...A-5 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page iii
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... ...3-7 GRA 55/5500 Installation 6-2 Rack Installation 6-3 GRA 55/5500 Antenna Installation 6-3 GRA STC Equipment Fuselage Station Location for Bell 206 A-1 GRA STC Equipment Fuselage Station Location for Bell 206L Series A-1 GRA 55/5500 Unit and Rack Installation in Bell 206B, 206L Series ..... A-5 Bell 206B LRU and Antenna Locations A-6 Bell 206L Series LRU and Antenna Locations A-7 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500...
... ...3-7 GRA 55/5500 Installation 6-2 Rack Installation 6-3 GRA 55/5500 Antenna Installation 6-3 GRA STC Equipment Fuselage Station Location for Bell 206 A-1 GRA STC Equipment Fuselage Station Location for Bell 206L Series A-1 GRA 55/5500 Unit and Rack Installation in Bell 206B, 206L Series ..... A-5 Bell 206B LRU and Antenna Locations A-6 Bell 206L Series LRU and Antenna Locations A-7 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500...
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...Manual GRA 55/5500 Bell 206 STC Page 1-1 It is the responsibility of the applicant to determine the suitability of the documents for the ICA. 1.5 Definitions The following terminology is granted to any corporation or person to use GRA 55/5500 STC documents to adequately maintain the Garmin GRA55/5500 system as installed by the agency installing the Garmin GRA 55.../5500 radar altimeter system under the GRA 55/5500 STC. FMCW: ...
...Manual GRA 55/5500 Bell 206 STC Page 1-1 It is the responsibility of the applicant to determine the suitability of the documents for the ICA. 1.5 Definitions The following terminology is granted to any corporation or person to use GRA 55/5500 STC documents to adequately maintain the Garmin GRA55/5500 system as installed by the agency installing the Garmin GRA 55.../5500 radar altimeter system under the GRA 55/5500 STC. FMCW: ...
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...:This 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 the GRA 55 and GRA 5500 radar altimeters. Bell Model 206L3 Maintenance Manual, Bell Document BHT-206L3-MM, Revision 19, 1 June 2012 5. SPM, Revision 2, July 2012 1.7.6 Retention This document...
...:This 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 the GRA 55 and GRA 5500 radar altimeters. Bell Model 206L3 Maintenance Manual, Bell Document BHT-206L3-MM, Revision 19, 1 June 2012 5. SPM, Revision 2, July 2012 1.7.6 Retention This document...
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The two approved radar altimeter antennas are compatible with an installed Garmin GTN 6XX/7XX for pilot display of optional HTAWS functionality. The GRA 55/5500 LRU which is 3.99"x3.02"x11.62" mounted, is located on the overhead panel to supply power. 2.2 Block Diagram ...of 20" on center using approved antenna mounts installed via STC SR09598RC, STC SR02162LA or other mounting provisions that is electrically bonded to the avionics shelf. GRA 55/5500 Block Diagram System Maintenance Manual GRA 55/5500 Bell 206 STC Page 2-1 The GRA 55/5500 radar altimeter may also integrate with the...
The two approved radar altimeter antennas are compatible with an installed Garmin GTN 6XX/7XX for pilot display of optional HTAWS functionality. The GRA 55/5500 LRU which is 3.99"x3.02"x11.62" mounted, is located on the overhead panel to supply power. 2.2 Block Diagram ...of 20" on center using approved antenna mounts installed via STC SR09598RC, STC SR02162LA or other mounting provisions that is electrically bonded to the avionics shelf. GRA 55/5500 Block Diagram System Maintenance Manual GRA 55/5500 Bell 206 STC Page 2-1 The GRA 55/5500 radar altimeter may also integrate with the...
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.... The tool is poor. 3.2 Downloading and Installing the GRA 55/5500 Retrofit Installation Tool GRA 55/5500 configuration, calibration, diagnostics, and software upgrades are performed 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 encounter NCD conditions...
.... The tool is poor. 3.2 Downloading and Installing the GRA 55/5500 Retrofit Installation Tool GRA 55/5500 configuration, calibration, diagnostics, and software upgrades are performed 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 encounter NCD conditions...
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... Tabs 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-2 If the GRA 55/5500 Retrofit Installation Tool does not display "Connected" in the target installation directory selected during installation. 3.3 Using the GRA 55/5500 Retrofit Installation Tool Once the GRA 55/5500 Retrofit Installation Tool has been installed: 1. Start the GRA 55/5500 Retrofit Installation Tool from the provided "Start Menu" shortcut...
... Tabs 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-2 If the GRA 55/5500 Retrofit Installation Tool does not display "Connected" in the target installation directory selected during installation. 3.3 Using the GRA 55/5500 Retrofit Installation Tool Once the GRA 55/5500 Retrofit Installation Tool has been installed: 1. Start the GRA 55/5500 Retrofit Installation Tool from the provided "Start Menu" shortcut...
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3.4.3 Software Page The software page (Figure 3-4) provides a list of currently installed software regions on the GRA 55/5500 as well as an interface to load new software regions to the unit. Software Page 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-5 Figure 3-4.
3.4.3 Software Page The software page (Figure 3-4) provides a list of currently installed software regions on the GRA 55/5500 as well as an interface to load new software regions to the unit. Software Page 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-5 Figure 3-4.
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...does not annunciate any faults and the information displayed in the final configuration as representative of requests to the GRA via the GRA 55/5500 Retrofit Installation Tool. The following conditions must be performed outdoors on the unit in order to initiate the zero-foot ...and "Normal," the unit has been successfully calibrated. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-8 During the calibration procedure, the GRA 55/5500 Retrofit Installation Tool will be updated. The zero-foot calibration procedure must be met before the zero-foot ...
...does not annunciate any faults and the information displayed in the final configuration as representative of requests to the GRA via the GRA 55/5500 Retrofit Installation Tool. The following conditions must be performed outdoors on the unit in order to initiate the zero-foot ...and "Normal," the unit has been successfully calibrated. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-8 During the calibration procedure, the GRA 55/5500 Retrofit Installation Tool will be updated. The zero-foot calibration procedure must be met before the zero-foot ...
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... of the mounting rack and rotorcraft support structure to ensure continued integrity of the installation in accordance with Chapter 3 of wire installation. 5. Every 100 flight hours or every 12 months, whichever comes first. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 4-4 If corrosion is found , repair as necessary. 4. To...
... of the mounting rack and rotorcraft support structure to ensure continued integrity of the installation in accordance with Chapter 3 of wire installation. 5. Every 100 flight hours or every 12 months, whichever comes first. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 4-4 If corrosion is found , repair as necessary. 4. To...
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...that are used in the empty mounting hole of the antenna and a nearby exposed portion of the fastener head itself. a nut, the technician is installed and properly torqued. 3. Every 10 years or every 2000 hours, whichever comes first. Reseal the antenna as required. Gain access to 2.5 milliohms. Re... Measure the resistance between the exposed metal in lieu of the skin in BHT-ELEC-SPM CHP 8. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 4-5 Verify that use stud mounts, prep the area underneath the washer on the inner mould line of 206B, 206L ...
...that are used in the empty mounting hole of the antenna and a nearby exposed portion of the fastener head itself. a nut, the technician is installed and properly torqued. 3. Every 10 years or every 2000 hours, whichever comes first. Reseal the antenna as required. Gain access to 2.5 milliohms. Re... Measure the resistance between the exposed metal in lieu of the skin in BHT-ELEC-SPM CHP 8. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 4-5 Verify that use stud mounts, prep the area underneath the washer on the inner mould line of 206B, 206L ...
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installed antenna: 1. Inspect aircraft skin around the antenna footprint to approved method defined in the Structural Repair Manual For Bell Model 206 Series Helicopters, BHT-206-SRM- 1, Section 3 for degradation in In the event attachment is not deformed. 3. verify there ...loose. If the antenna is cracked, or deformed, the internal structure must be inspected for applicable repairs. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 4-6 Clean the exterior of the aircraft skin within a 10 Perform visual inch radius of the antenna with water and mild...
installed antenna: 1. Inspect aircraft skin around the antenna footprint to approved method defined in the Structural Repair Manual For Bell Model 206 Series Helicopters, BHT-206-SRM- 1, Section 3 for degradation in In the event attachment is not deformed. 3. verify there ...loose. If the antenna is cracked, or deformed, the internal structure must be inspected for applicable repairs. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 4-6 Clean the exterior of the aircraft skin within a 10 Perform visual inch radius of the antenna with water and mild...
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...units must be returned to the need for this fault. 5 TROUBLESHOOTING INFORMATION 5.1 GRA 55/5500 General Troubleshooting This section provides troubleshooting information for this fault. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-1 Table 5-1. Note there are no assert log ... the status of zero-foot signal is larger/smaller than allowable frequencies Improper antenna connections Check antenna installation and all cable connections and retry calibration. Note there are no assert log entries for the Garmin GRA 55/5500 Radar Altimeter.
...units must be returned to the need for this fault. 5 TROUBLESHOOTING INFORMATION 5.1 GRA 55/5500 General Troubleshooting This section provides troubleshooting information for this fault. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-1 Table 5-1. Note there are no assert log ... the status of zero-foot signal is larger/smaller than allowable frequencies Improper antenna connections Check antenna installation and all cable connections and retry calibration. Note there are no assert log entries for the Garmin GRA 55/5500 Radar Altimeter.
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... Resolution After programming, read-back of these tests is not within the acceptable frequency range Improper antenna connections Internal failure Check antenna installation and all cable connections. The self-test signal is identified as a Various [1] POST fault during power up and also identified ...what was sent from Internal communication error the CPU Cycle power to Garmin for service. If fault persists, return unit to unit. Cycle power to Garmin for service. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-2 Download the assert log and ...
... Resolution After programming, read-back of these tests is not within the acceptable frequency range Improper antenna connections Internal failure Check antenna installation and all cable connections. The self-test signal is identified as a Various [1] POST fault during power up and also identified ...what was sent from Internal communication error the CPU Cycle power to Garmin for service. If fault persists, return unit to unit. Cycle power to Garmin for service. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-2 Download the assert log and ...
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... diagnosis. If fault persists, download the assert log and send to Garmin for service. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-6 If fault persists, return unit to Garmin for service. Cycle power to Garmin for diagnosis. Check antenna installation and all cable connections. If fault persists, return unit to unit...
... diagnosis. If fault persists, download the assert log and send to Garmin for service. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-6 If fault persists, return unit to Garmin for service. Cycle power to Garmin for diagnosis. Check antenna installation and all cable connections. If fault persists, return unit to unit...
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... fault persists, return unit to Garmin for service. [1] Fault can be found in the Power on Self Test (POST) fault list and in normal operational mode fault list. Review Table 5-1 fault tree for identification. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-7... Fault Type Temperature Fault Name Main Temp (Fault also included in POST, Power On Self Test Faults) [1] RF Temp (Fault also included in POST, Power On Self Test Faults) [1] Description Cause Installed unit location is too hot/...
... fault persists, return unit to Garmin for service. [1] Fault can be found in the Power on Self Test (POST) fault list and in normal operational mode fault list. Review Table 5-1 fault tree for identification. 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC Page 5-7... Fault Type Temperature Fault Name Main Temp (Fault also included in POST, Power On Self Test Faults) [1] RF Temp (Fault also included in POST, Power On Self Test Faults) [1] Description Cause Installed unit location is too hot/...
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... exist to the GRA 55/5500 installation manual. For additional details refer to the depicted routing. CIRCUIT BREAKER REF. COAXIAL CABLE REF. REF. GRA 55/5500 WIRING HARNESS WL 0.00 REF. GRA 55/5500 Wire Routing in the Bell 206B, 206L Series 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC... Page A-4 RADAR ALTIMETER ANTENNAS FS 0.00 FS 130.00 FS 142.33 TBS 31.8 TBS 50.22 TBS 71.44 Figure A-5. Figure A-5 depicts the typical wire harness installation for the GRA 55/5500 system, to include the ...
... exist to the GRA 55/5500 installation manual. For additional details refer to the depicted routing. CIRCUIT BREAKER REF. COAXIAL CABLE REF. REF. GRA 55/5500 WIRING HARNESS WL 0.00 REF. GRA 55/5500 Wire Routing in the Bell 206B, 206L Series 190-01277-A3 Rev. 1 System Maintenance Manual GRA 55/5500 Bell 206 STC... Page A-4 RADAR ALTIMETER ANTENNAS FS 0.00 FS 130.00 FS 142.33 TBS 31.8 TBS 50.22 TBS 71.44 Figure A-5. Figure A-5 depicts the typical wire harness installation for the GRA 55/5500 system, to include the ...