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Popular Garmin GRA 55 Manual Pages
Maintenance Manual - Page 8
... Page ...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-2 Overhead Circuit Breaker Panel in Bell 206B, 206L Series A-3 GRA 55/5500 Wire Routing...
Maintenance Manual - Page 10
... Manual GRA 55/5500 Bell 206 STC Page 1-1 CFR:Code of 14 CFR §27.1529, and Part 27 Appendix A. 1 INTRODUCTION
1.1 Purpose
This document provides Instructions for Continued Airworthiness in accordance with the Garmin document control system.
1.4 Permission to Use Certain Documents
Permission is used by the agency installing the Garmin GRA 55/5500 radar altimeter system under the GRA 55...
Maintenance Manual - Page 11
... where specifically noted, references made to the 'Bell 206L Series' will apply equally to the Bell 206L, Bell 206L-1, Bell 206L-3, and Bell 206L-4 models.
1.7 Publications
Content, Scope, Purpose and Arrangement: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...
Maintenance Manual - Page 12
... with an installed Garmin GTN 6XX/7XX for pilot display of the Bell 206B, 206L series aircraft avionics system as part of 20" on the underside of the tailboom, separated by a minimum distance of optional HTAWS functionality.
The GRA 55/5500 radar altimeter may also integrate with the approved radar altimeter antennas. The two approved radar altimeter antennas are optimally...
Maintenance Manual - Page 14
... PC. Installation Tool Page Tabs
190-01277-A3 Rev. 1
System Maintenance Manual GRA 55/5500 Bell 206 STC Page 3-2 It may be useful in the lower, righthand corner, check the installation and make sure the GRA 55/5500 has been powered-up the GRA 55/5500 by applying aircraft power 4. If the GRA 55/5500 Retrofit Installation Tool does not display "Connected" in troubleshooting a problem.
Maintenance Manual - Page 27
...
Check antenna installation and all cable connections and retry calibration. Zero-Foot point is possible at the dealer service center due to Garmin for this fault. Table 5-1.
All faulty units must be returned to the need for the Garmin GRA 55/5500 Radar Altimeter. 5 TROUBLESHOOTING INFORMATION
5.1 GRA 55/5500 General Troubleshooting
This section provides troubleshooting information for...
Maintenance Manual - Page 36
..., BELL 206B
Figure 6-2. GRA 55/5500 Antenna Installation
190-01277-A3 Rev. 1
System Maintenance Manual GRA 55/5500 Bell 206 STC Page 6-3 TYP. 4 PLCS
Figure 6-3. REF. 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)
S67-2002 RADAR ALTIMETER ANTENNA INCLUDED WITH...
Maintenance Manual - Page 38
...-A3 Rev. 1
System Maintenance Manual GRA 55/5500 Bell 206 STC Page 8-1 Power on the Garmin website (www.flyGarmin.com). If the LRU indicates an internal failure, the unit may also contact Garmin General Aviation Product Support at a specific time period. To Access Aviation Manuals, select the 'Support' tab and then select 'Manuals'. A Garmin Service Bulletin describing ICA revision will be...
Maintenance Manual - Page 41
... GDU 620 DISPLAY
REF. GARMIN GTN NAVIGATOR
WL 0.00
GRA RADAR ALTIMETER INSTALLATION
REF. EXISTING AVIONICS SHELF
REF. GRA STC Equipment Fuselage Station Location for the GRA55/5500 component locations. APPENDIX A AIRCRAFT SPECIFIC INFORMATION
Figure A-1 and Figure A-2 depicts the typical location for Bell 206B
CIRCUIT BREAKER INSTALLATION
GRA RADAR ALTIMETER INSTALLATION
FS 0.00 FS...
Maintenance Manual - Page 42
... Radar Altimeter Rack, Mounting, GRA Radar Altimeter Screw, Washer Head, 0.1900-32 UNF-3A, 7/16" Long Nut, Self-Locking, Plate, Two-Lug, Low-Height, Steel Rivet, Solid, Countersunk 100 Deg, Precision Head
QTY (1) 1 1 4
4
8
190-01277-A3 Rev. 1
System Maintenance Manual GRA 55/5500 Bell 206 STC Page A-2 Table A-1 provides the bill of Materials
Item No. GRA 55/5500 Unit and Rack Installation...
Maintenance Manual - Page 43
... B
CIRCUIT BREAKER LABEL
REF.
VIEW A OVERHEAD CONSOLE
CIRCUIT BREAKER FOR GRA RADAR ALTIMETER
B
REF. Circuit Breaker Placard
LRU GRA
Power Input Rotorcraft Power on the Bell 206B and Bell 206L Series overhead..., 206L Series
The GRA 55/5500 circuit breaker is located on Connector P55001
Label Rad Alt
190-01277-A3 Rev. 1
System Maintenance Manual GRA 55/5500 Bell 206 STC Page A-3
Maintenance Manual - Page 44
... to the GRA 55/5500 installation manual. COAXIAL CABLE
REF. For additional details refer to the depicted routing.
CIRCUIT BREAKER
REF. REF. GRA 55/5500 WIRING HARNESS WL 0.00
REF. 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...
Maintenance Manual - Page 45
... (Bell 206L Series)
011-02537-05 3.5 [1]
161.20 564.20 -6.98
4
GRA 5500 Radar Altimeter (Bell 206L Series)
011-02537-00
3.5 [1]
-24.43
[1] Weight specified includes the unit, install rack, and backplate assembly with connectors.
190-01277-A3 Rev. 1
System Maintenance Manual GRA 55/5500 Bell 206 STC Page A-5 GRA 55/5500 Unit Location and Moment Arm in Figure A-6.
6.20 6.98
FS 130...
Maintenance Manual - Page 46
.... EXISTING AVIONICS SHELF
GRA RADAR ALTIMETER INSTALLATION
FS 0.00
FS 130.00 FS 136.45 FS 142.33
TBS 50.22 TBS 71.44
CIRCUIT BREAKER INSTALLATION WL 51.67 REF. GARMIN GTN NAVIGATOR
WL 0.00
190-01277-A3 Rev. 1
Figure A-7. All harnesses fabricated as part of the LRUs and antennas for the GRA 55/5500 throughout the aircraft structure...
Maintenance Manual - Page 47
....33
TBS 50.22 TBS 71.44
CIRCUIT BREAKER INSTALLATION WL 51.67 WL 0.00
Figure A-8. Bell 206L Series LRU and Antenna Locations
190-01277-A3 Rev. 1
System Maintenance Manual GRA 55/5500 Bell 206 STC Page A-7 EXISTING ANTENNA MOUNTS
REF. GRA RADAR ALTIMETER INSTALLATION REF. Figure A-8 depicts the location of this STC follow existing wire bundles as depicted in Figure A-5.
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