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2.2.2.2.2 Rod Antenna Installation: (AK 451.017-2A)
The AK 451.017-2A Rod Antenna delivers optimum performance only when installed
correctly. To ensure adequate structural strength of the aircraft for associated air
loading during flight, use of a backing plate or doubler (not supplied) may be
required. Refer to FAA Advisory Circular 43.13-2B for guidance. It is the
responsibility of the installation agency to determine the appropriate and adequate
antenna installation. The AK 451.017-2A Rod Antenna is designed to provide ELT
transmissions from a single BNC Female coaxial connector.
Location:
The AK 451.017-2A Rod Antenna must be mounted on the top of the aircraft to
assure maximum visibility of satellites (406 MHz). The best location is the upper aft
portion of the fuselage. It should be mounted vertically and away from projections
such as a propeller, tail surfaces, or the shadow of larger antennas.
Installation Preparation:
1. Prepare the surface for antenna installations in such a manner to ensure a ground
contact of less than 0.003Ω. If bare metal surfaces are needed for surface
preparation they should be treated with Alodine® 1200 (or similar application) to
eliminate aluminum oxidation. NOTE: The AK 451.017-2A Rod Antenna bonds
through the base plate, not through the mounting screws.
2.
Use the AK 451.017-2A outline drawing on Fig. 7 to determine hole pattern and
drill size.
Type of aircraft:
The AK 451.017-2A Rod Antenna is designed for installation on fixed wing subsonic
aircraft with reciprocating or turbine engines and is rated for a maximum airspeed of
350 KTAS (Knots True Airspeed at 25,000 feet).
Installation:
1. Metal adapter plates are optional but they should be used if the curvature or
compound radius of the aircraft skin is such that antennas cannot be directly
installed vertically with their plates mounted flat to the aircraft outer surface.
2. Backing plates or doublers should be installed to ensure adequate structural
strength for associated air loading during flight. Refer to FAA Advisory Circular
43.13-2B for complete information.
3. Mount the antenna using four 100° countersink #8-32 stainless steel machine
screws and associated hardware. Tighten to 20” lbs max.
Содержание AK-451 Series
Страница 23: ...23 Figure A Front view of ELT Figure B 3 D view of ELT ...
Страница 31: ...31 Figure 2 1 Mounting Tray for ELT AF AP P N 450 013 Figure 2 2 Holder for ELT AF AP P N 450 014 ...
Страница 32: ...32 Figure 3 Mounting Tray with Clamp Holder for ELT AF AP ...
Страница 37: ...37 Figure 6 Whip Antenna Model AK 451 017 1B ...
Страница 39: ...39 Figure 2 1 2 ELT with mounting tray holder and adapter tray ...
Страница 42: ...42 Figure 7 1 Rod Antenna AK 451 017 2A 1 ...
Страница 45: ...45 Figure 8 Blade Antenna AK 451 017 3A ...
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Страница 50: ...50 Figure 10 ELT Remote Switch Installation Figure 10 1 Mounting bracket for ELT Remote Unit Continued ...
Страница 51: ...51 Figure 11 Remote Audio Buzzer Monitor P N 451018 ...
Страница 54: ...54 Figure 12 2 Interconnecting Wiring Cable between ELT Remote Unit and Main Unit Part No 4500041 4 ...
Страница 63: ...63 Figure 14 1a Wiring Diagram for AK 451 with 4 wire interconnecting ELT Main Unit and Remote Switch Unit ...
Страница 64: ...64 Figure 14 1b Wiring Diagram for AK 451 with 2 wire interconnecting ELT Main Unit and Remote Switch Unit ...
Страница 79: ...79 Figure 18 ELT Front Panels Main Unit and Remote Unit ...
Страница 84: ...84 ELT S Top Label Figure 19 Automatic Portable ELT AP with integral antenna Survival ELT S ...
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Страница 138: ...138 Table 1 List of all available Protocols ELT Non Location Protocols ...
Страница 139: ...139 ELT Location Protocols User Location Protocols ...
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Страница 230: ...230 APPENDIX K MATERIAL SAFETY DATA SHEET FOR BATTERY ...
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