MIL-HDBK-162A
Volume 1
15 December 1965
Section 2
DATE: 1 .July 1964
COGNIZANT SERVICE: USN
TYPE: OA-493/APS-20
FEDERAL STOCK NUMBER:
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Mfg(s) Name or Code Number:
extend the usefulness of the AEW system by providing
FUNCTIONAL DESCRIPTION
an antenna that can vary the tilt of the radar and IFF
beams and stabilize them against the effects of pitching
The OA-493/APS-20 is an improved antenna
and rolling by the aircraft.
system for Radar Set AN/APS-20A or AN/APS20C and
for Radar Recognition Set AN/APX-7. It is used to
OA-493/APS-20: 1
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