MIL-HDBK-162A
Volume 1
15 December 1965
Section 3
DATE: 1 July 1964
ITEM NAME: RADAR SET
COGNIZANT SERVICE: USN
TYPE: AN/SPS-21D
FEDERAL STOCK NUMBER: 5840-810-8591
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Std
Mfg(s) Name or Code Number: Sperry Piedmont Company, Charlottesville, Virginia
Illustration not Available.
FUNCTIONAL. DESCRIPTION
Radar Set AN/SPS-21D is a short ran(e, compact, lightweight equipment of low power consumption. It is a surface
scanning radar designed for installation on small vessels where space is at a premium and on larger vessels where a
second radar is needed for use as a standby navigation aid for complete protection.
AN/SPS-21D: 1