FLEXCOMM
II
C-5000 (Non-Digital)
Installation Manual
150-1355-000 Rev. M
CONFIDENTIAL AND PROPRIETARY TO COBHAM
Page 41
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 29.7-960 MHz frequency coverage, the user must also install the AT-400 antenna for
400-960 MHz 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 29.7-960 MHz frequency coverage, the user must also install the AT-400 antenna for
400-960 MHz frequencies.
See the AT-140 envelope drawing, Figure 3-13, for dimensions.
Mount antenna with No. 10 screws.