ALT 50A
Collins - Radio Altimeter Transceiver
Part Number :
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Select part number to view pricing and availability.
Features
- Lightweight, low-profile radio altimeter designed specifically for installation in light and medium, fixed-wing aircraft
- Supplies altitude information to flight control/autopilot system during approach phase of flight
- Typically used with 339H-3, 339H-4, 339H-4A (helicopter) analog indicators or DRI-55 digital display indicator, and two 437X-1/1A/1B or ANT-50A/51A/52 antennas depending on aircraft configuration
- Provides decision height selection from 0 to 2000 feet
- Provides four shop-adjustable altitude trips that can be adjusted to any altitude between 0 to 2000 ft. to provide switching to a flight director or other external system
- Product improved version of the ALT-50/860F-2 transceiver (i.e. improved altitude accuracy, transmitter output power, etc.)
- Versions available with altitude error reduction where unit will indicate lower altitude in the event of unit failure thus ensuring safe terrain separation
Specifications
|
TEMPERATURE RANGE |
-54 to 71°C (operating) |
|
ALTITUDE |
Up to 45000 feet (operating) |
|
ALTITUDE ACCURACY |
more or less 2 feet (up to 2000 feet) |
|
LOAD CAPABILITY |
1 millimho maximum |
|
RF TRANSMITTER POWER |
210 mW nominal |
|
FREQUENCY MODULATION (TRANSMIT |
100 or 105 Hz |
|
TIME CONSTANT |
0.09s more or less 0.01 s |
|
DC ANALOG SIGNAL |
0 to 18 V dc, piecewise linear |
|
ARINC |
408 |
|
ENVIRONMENTAL CATEGORY |
DO-138/AG/A/JN/AAAEXXXXX |
|
RTCA |
DO-138, DO-123 |
|
FAA TSO |
C87 |
| PART NUMBER | DESCRIPTION |
|
622-3201-001 |
0-2000 ft. range with 4 shop-adjustable altitude trips |
|
622-3201-002 |
0-2000 ft. range, non-adjustable |
|
622-3201-011 |
Same as -001 but with reduced altitude error product improvement mentioned above |
|
622-3201-012 |
Same as -002 but with reduced altitude error product improvement mentioned above |