Volume 1
MIL-HDBK-162A
Section 3
15 December 1965
ITEM NAME: INDICATOR GROUP
TYPE: AN/SPA-33
300 to 10, 000 Yards: plus or minus 100
RELATION TO SIMILAR EQUIPMENT
yds
The AN/SPA-33 is designed to be used with but not
10, 00 to 72, 000 Yards: plus or minus
part of the AN/SPS-26( ), and is similar to but not
1% of actual range
functionally interchangeable with Indicator Group
72, 000 Yards to 300 Miles: plus or
AN/SPA-8 Series due to the elimination of the "Dead
minus 2% of actual range.
Reckoning Analyzer".
Operating Power Requirements: 115v ac,
60 cps, single ph
TECHNICAL DESCRIPTION
Bearing Accuracy: Within 2 deg at all
INSTALLATION CONSIDERATIONS
Related Equipment: (Required but not
Antenna and Trace Rotation: O to 40 rpm
Trigger Input: 5 to 50v (pos)
Video Input: 1 to 231/2v (pos)
pps
ME-25( )/U; (1) Electronic Switch TS-
Power Factor: 0.934 (approx)
Power Demand: 1755 va, 1640w approx
Range Selection
Centered PPI: 4 to 300 mi, continuously
6G; (1) Cable type DSGA-9; (1) Cable
var
type DSGA-23; (2) Cable type MSCA-10;
Off-Centered PPI: 4 to 300 mi, continu-
(2) Cable type MSCA-7; (1) Cable type
ously var
MSCA-14; (1) Cable type MSCA-19; (1)
Range Accuracy
Cable type TSGA-9; (7) Cable type RG-
12A/U; (1) Cable type RG-27/U.
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENTS
OVERALL DIMENSIONS
UNIT WT.
QTY
(Inches)
(Pounds)
Azimuth-Range Indicator IP-442/SPA-33
1
25-1/2 x 29-1/4 x 39-3/4
460
Power Supply PP-560C/SP
1
20-3/8 x 22-1/4 x 30-3/8
309
1
8-1/8 x 12-7/8 x 23-11/16
112
Electrical Equipment Case CY-1864/SPA-8C
1
15-1/2 x 16 x 19
76
Set of Shockmounts
1
10-3/4 x 18-1/2 x 31-3/4
Set of Accessories
1
45
Technical Manuals NAVSHIPS 93156
2
4 x 9-1/2 x 11-1/2
Maintenance Manual NAVSHIPS 93156.42
1
1/2 x 8-7/8 x 11-1/8
SHIPPING DATA
UNIT WT.
PKGS
(Pounds)
1
685
1
474
1
156
1
124
1
50
1
2
1
1
AN/SPA-33: 2