15 December 1965
DATE: 1 July 1964
ITEM NAME: INDICATOR GROUP
COGNIZANT SERVICE: USN
FEDERAL STOCK NUMBER: 5840-538-7170 W/S
STATUS OR TYPE CLASSIFICATION
Mfg(s) Name or Code Number: Hazeltine Electronic Div. of Hazeltine Electronic Corp.
dicator, or as an AEW repeat (final) indicator. In
The AN/SPA-33 is a general purpose Plan Position
addition, as an ordinary PPI, the indicator can accept
Indicator (PPI). By means of a front panel function
azimuth information in the form of two (2) rectangular
control switch, it can be used as an ordinary PPI, or, as
coordinate voltages instead of synchro voltages when
an Airborne Early Warning(AEW) tracking in
the Radar Selector switch is in position 2.