2) Backing plates or doublers should be installed to ensure adequate support for associated air loading during flight. Refer to FAA Advisory Circular 43.13 for complete information.

3) Coat the contact surfaces with a corrosion inhibitor, e.g. Alodine.1200.

4) Mount the antenna using four 100o countersink #8-32 (M5) stainless steel machine screws and associated hardware. Tighten to 20 inch-lbs (226 Newton-cm) max.

5) Apply a small, smooth fillet with RTV sealant around the periphery of the antenna base to seal out moisture.

6) Install the antenna cable. Artex suggests using the standard 6-foot (1.8M) antenna cable (supplied with most kits). 

2.4.2.5 Composite Aircraft Installation

Except for preparation instructions and installation of a ground plane, installation is the same. Refer to FAA Advisory Circular 43.13 for complete information
2.4.3 Portable Antenna

For purposes of installations meeting the requirements of TSO C91a or TSO C126, the portable antenna (110-775) is not designed or intended for installation on or inside an aircraft. The 110-775 is intended only for portable use, as described on page 5.
2.5 Mount Remote Switch

TSO C126 requires the installation of a remote switch. This switch is NOT optional. The specific requirement is found in RTCA/DO-204, Section 2.2.6.
The Artex remote switch is designed so that if its wires are cut or shorted together the emergency operation of the ELT is unhampered although the ELT may activate and not “reset” if the wires are shorted together. 
Select a switch mounting location that is easily seen and reached by the pilot and out of direct sunlight. The Artex remote switch requires approximately 1.3” X 2.0” (33 X 50.8 mm) of panel area to mount. A space is also required for a warning placard, measuring 2.25” X 0.25” (57 X 6.5 mm), which should be placed close to the installed switch. Approximately 3 inches (75mm) of clearance behind the panel is required for the switch assembly, mating connector and harness. 
Mark and remove the rectangular cutout for the remote switch assembly. Dimensions are shown in the Specifications, section 6. Fit the switch assembly into the cutout and mark the four mounting screw hole locations. Drill mounting screw holes with #31 (0.120”) (3.0 mm) drill. Mount using the 4-40 X .” Phillips pan head screws, lock washers and nuts provided.
After the switch is installed, apply the “For Aviation Emergency Use Only / Unauthorized Use Prohibited” placard (supplied in kit) as close to the switch as practical.

 
Figure 8 - Remote Switch Placard
If you are upgrading an older Artex installation, please note that most previously approved Artex remote switches may be used with the ME406P, contact Artex for details.
The standard remote switch provided with the ME406P is Artex P/N 345-6196-04.  Other remote switches are available, contact Artex for details or see the web site at www.artex.net. 
　
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