MIL-HDBK-162A
Volume 1
15 December 1965
Section 3
DATE: 1 July 1964
COGNIZANT SERVICE: USN
TYPE: AN/BPA-4
FEDERAL STOCK NUMBER:
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Mfg(s) Name or Code Number: Philadelphia Naval Shipyard, Philadelphia, Pa.
No Illustration Available.
(with two (2) vertical antenna positions). The antenna
FUNCTIONAL DESCRIPTION
group does not include the antenna or below decks
consoles.
The group extends through a standard
The AN/BPA-4 provides a retractable positioning
periscope housing. A rotation of 360 deg (continuous)
system for submarine search radars SS-A, SS-1, and
at six (6) rpm or sector scan is provided.
SS-2. It permits search operation while submerged
AN/BPA-4: 1
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