ARTEX PRODUCTS / ACR ELECTRONICS, INC
DESCRIPTION, OPERATION, INSTALLATION AND MAINTENANCE MANUAL
B406-4 (453-5004)
Page 45 of 70
25-62-03
3)
Mount the ELT as far aft as practical, but where it can be easily retrieved for maintenance.
NOTE:
Statistics show that the tail section of an airplane is likely to be less damaged during a crash;
therefore, providing a good mounting environment for the ELT.
4)
Additional installation guidance may be found in AC 43.13-2, Chapter 2, Paragraph 28, which specifically
addresses ELT installations.
SUBTASK 25-62-03-450-002
B.
Installation
1)
See Figure 14 Typical Mounting Tray Installation.
Figure 14 Typical Mounting Tray Installation
2)
Install the necessary mounting structure as appropriate for the specific installation.
3)
Align the mounting tray (452-5050) on the mounting structure, such that the arrow on the tray is within
10° of the longitudinal axis of the aircraft and pointing in the direction of flight.
4)
Mark the four holes needed for mounting the tray, using the tray as a pattern. The hole pattern is also
illustrated in Figure 13 B406-4 ELT Outline and Dimensions on page 44.
5)
Drill the four mounting holes with a #19 or 4.25 mm drill.
6)
Install the mounting tray with the 8-
32 x 5/8”
SS pan head Phillips screws, flat washers, lock washers,
and nuts provided in the installation kit (455-7421), as shown in Figure 14 Typical Mounting Tray
Installation. Torque to 12 ±1 lb-
in (136 ± 11 N•cm).
NOTE:
The use of substitute mounting hardware is acceptable provided the hardware used meets
or exceeds the strength and corrosion resistance of the original hardware.