Volume 1
MIL-HDBK-162A
Section
15 December 19652
AN/APA-56, -56A, -56B
Range
Sweep
FUNCTIONAL DESCRIPTION
20 mi per radius
80 mi duration
50 mi per radius
200 mi duration
The AN/APA-56, -56A, -56B provides the airborne
100 mi per radius
200 mi duration
portion of an airborne combat information center when
250 mi per radius
250 mi duration
operated in conjunction with associated radar, IFF, and
Operating Altitude: 0 to 25,000 ft
other electronic equipment. The AN/APA-56, -56A, -
Operating Temperature: -55 to +55 deg C
56B displays azimuth, range, and amplitude of detected
Power Requirements:
targets and the radar, beacon, and IFF signals.
115v, 1-ph, 380 to 420 cps, 450 va
115v, 3-ph, 380 to 1,000 cps, 5,800 va
28 vdc, 14 amp (continuous)
RELATION TO SIMILAR EQUIPMENT
28 vdc, 18 amp for 0.1 sec
None.
INSTALLATION CONSIDERATIONS
TECHNICAL DESCRIPTION
Not available.
Display: 12-in. CRT (5 supplied)
5-in. centered PPI (2 supplied)
Console Ranges and Sweeps:
PRINCIPAL COMPONENTS AND PHYSICAL DATA
COMPONENT
QTY
HEIGHT
WIDTH
DEPTH
UNIT WT.
(Inches)
(Inches)
(Inches)
(Pounds)
AN/APA-
56
Converter Control C-1216/APS-56
1
4-5/16
10-1/2
16-11/32
10.0
Video Converter CU-78/APA-56
1
45-1/2
20-1/2
22
192.0
Azimuth and Range Indicator
5
45-3/4
38
28
375.0
IP-229/APA-56
Azimuth and Range Indicator
1
19-3/4
16-3/8
25
80.0
IP-230/APA-56
Voltage Regulator CN-212/APA-56
1
19-1/2
18-11/16
18-5/8
85.0
Relay Assembly RE-144/APA-56
1
25-1/16
23-13/16
8-5/8
40.0
Signal Distributor J-294/APA-56
1
28
35-3/4
10-9/16
93.0
AN/APA-56A
Converter Control C-1848/APA-56A
1
3-13/16
10-3i8
5-5/8
3.1
Video Converter CV-401/APA-56A
1
45-1/2
20-1/2
22
177.0
Azimuth and Range Indicator
5
45-3/4
38-1/16
28
368.0
IP-229A/APA-56
Azimuth and Range Indicator
1
19-3/4
15- 1/2
24- 1/4
94.5
IP-230A/APA-56
Voltage Regulator
1
18-3/4
18-1/8
18-5/8
40.5
CN-212A/APA- 56
AN/A PA-56: 2
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