Part #: 622-2938-002

Model: ALI-55A

Collins Aerospace - Radio Altimeter Indicator
Part Number :


ALI-55A

Image shown is 339H-4A due to similarities in appearance between units.

FEATURES
  • Radio Altitude Indicator used with ALT-55B Radar Altimeter Systems
  • Provides visual display of aircraft height above terrain during approach phase of flight
  • Provides decision height selection and indication when aircraft descends to selected decision height
  • Self-test switch provided to test radar altimeter system, excluding antennas
  • Altitude scale of -20 to +2500 ft. calibrated for helicopter
  • Models available with black or gray (see table below)
  • Models available with 5 or 28V dc blue-white lighting (see table below)
SPECIFICATIONS
FAA TSO: C87 RTCA document: DO-138, DO-123
Environmental: DO-138, DAPAAAXXXXXX ARINC specification: 408
Service Altitude: 50000 ft. Dimensions: 3.375"W x 3.375"H x 5.625"L
External decision height: External DH lamp may be energized through isolated set of contacts. Contact are closed below the decision height altitude Off-scale Voltage: +18 +-0.5Vdc
Part NumberRadio Altitude Indicator Description:
622-2938-001 Black bezel, 28V dc blue-white lighting
622-2938-002 Black bezel, 5V dc blue-white lighting
622-2938-003 Gray bezel, 28V dc blue-white lighting
622-2938-004 Gray bezel, 5V dc blue-white lighting


PLEASE NOTE: THE ABOVE LISTED PART NUMBERS REFLECT THE DIFFERENT UNITS ORIGINALLY AVAILABLE BY THE MANUFACTURER AND DO NOT NECESSARILY INDICATE OR REFLECT THE CURRENT AVAILBILITY OF THESE DIFFERENT UNITS BY SOUTHEAST AEROSPACE OR THE AFTERMARKET

 

622-2938-002
- Radio Altimeter Indicator
Price Condition Status
REQUEST OH OUTRIGHT REQUEST
REQUEST OH EXCHANGE REQUEST