TM 11-5840-281-12-1
1-11.
EQUIPMENT DATA. (CONT)
Scan rate
16 + 1 rpm
Precision approach and height finder
Display
Beta scan (azimuth and elevation)
Ranges
Exponential 5 and 10 nmi (9 and 19 km)
sweeps; linear 20 and 40 nmi (37 and 74
km) sweeps
Range marks
1 nmi (1.9 km) spacing on 5 and 10 nmi
(9 and 19 km) sweeps; 5 nmi (9 km) spacing
on 20 and 40 nmi (37 and 74 km) sweeps
Range mark accuracy
1 percent
Azimuth display
30- or 60-degree sector scan or 360
degrees in SIMULT mode, within - 1 to
+ 25 degrees elevation sector
Elevation display
-1 to + 10 degrees or - 1 to + 35 degrees
within 30 degrees azimuth sector scan
Data rate (approximately)
One azimuth and one elevation presentation
every second in NORM mode
One azimuth and one elevation presentation
every second in 350EL mode
One azimuth and one elevation presentation
every 2 seconds in 600AZ mode
Approximately 16 azimuth and 30 elevation
presentations every 60 seconds in SIMULT
mode
Glidepath cursors (elevation)
Two preset electronic cursors for each con-
trol-indicator, adjustable to any glide slopes
from + 1 to + 45 degrees in elevation.
Runway cursors (azimuth)
Two preset electronic cursors for each con-
trol-indicator, adjustable to any runway
heading reciprocal within siting criteria.
Height finding
300 to 30,000 ft (92 to 9200 m) with accuracy
of 0.4 percent of range and + 10 percent
in altitude
SERVICE CONDITIONS
Ambient temperature
Operating
- 400C ( - 400F) to + 71 C (+ 1600F)
Nonoperating
- 500C ( - 580F) to + 71 C (+ 1600F)
Relative humidity
No adverse effects up to 95 percent relative
humidity (operating and nonoperating)
Altitude
Operating
Sea level to 10,000 ft (3100 m)
Nonoperating
Sea level to 50,000 ft (15,500 m)
Winds
Operating
43 knots with holddown stake
Nonoperating
100 knots with holddown stake
Vibration and shock
No damage or impairment to operation when
subjected to sinusoidal vibration or shock
encountered during transport
Transport
Cargo transport helicopter capable of trans-
porting 3643 lb (shipping gross weight) or
2 1/2-ton M-35 truck
Gross weight
3643 lb
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