User's Manual

C-5000 COMMUNICATION MANAGEMENT CONTROLLER
INSTALLATION MANUAL
Publication No. 150-041118 Page 3-5
Rev C Section 3 – Mechanical Installation
May 2006
F. AT-50 and AT-51
If antenna is installed on top of aircraft, drainage holes at smaller end of antenna should be
plugged with blanking plugs and RTV. Drainage holes in antenna base flange at mounting
face should not be obstructed.
If antenna is installed on underside of aircraft, drainage holes at smaller end of antenna base
flange at mounting face should be sealed with a small fillet of RTV.
Note: For full 29.7-900 MHz frequency coverage, the user must also install the AT-400
antenna for 400-960 frequencies.
See the AT-50 and AT-51 envelope drawings, Figures 3-11 and 3-12 respectively, for
dimensions.
Mount antenna with No. 10 screws.
G. FC-50
Note: The FC-50 Logic Converter is required for the AT-50 and AT-51 antennas.
See the FC-50 envelope drawing, Figure 3-15, for dimensions.
H. AT-400
See the AT-400 envelope drawing, Figure 3-14, for dimensions.
Mount antenna with No. 8 screws.
I. AT-140
Note: For full 29.7-400 MHz frequency coverage, the user must also install the AT-140
antenna for 400-960 frequencies.
See the AT-140 envelope drawing, Figure 3-13, for dimensions.
Mount antenna with No. 10 screws.