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Model: ALI-55
Desc: Radio Altimeter Indicator
OEM: Collins Aerospace
Sched-B: 8531800025
Cage Code: 13499
Part Number :


ALI-55

 

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. designed to be used in fixed-wing aircraft applcations
  • Models available with black, gray or black-gray bezel (see table below)
  • Models available with 5 or 28V dc, white or 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. Contacts are closed below the decision height altitude Off-scale Voltage: +18 +-0.5Vdc
Part Number Description:
622-2937-001 Black bezel, 28V dc blue-white lighting
622-2937-002 Black bezel, 5V dc blue-white lighting
622-2937-003 Gray bezel, 28V dc blue-white lighting
622-2937-004 Gray bezel, 5V dc blue-white lighting
622-2937-005 Black bezel, 5V dc white lighting
622-2937-008 Gray bezel, 5V dc white lighting
622-2937-009 Black-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
 

 

622-2937-001
- Radio Altimeter Indicator

NSN: 5841-01-307-1526

Price Condition Status
$2,295.00 OH OUTRIGHT REQUEST LEAD TIME
$1,395.00 OH EXCHANGE REQUEST LEAD TIME
622-2937-002
- Radio Altimeter Indicator

NSN: 5841-01-125-5754

Price Condition Status
REQUEST OH OUTRIGHT REQUEST LEAD TIME
REQUEST OH EXCHANGE REQUEST LEAD TIME
622-2937-003
- Radio Altimeter Indicator
Price Condition Status
RFQ RFQ RFQ
622-2937-004
- Radio Altimeter Indicator

NSN: 5841-01-333-7901

Price Condition Status
RFQ RFQ RFQ
622-2937-005
- Radio Altimeter Indicator

NSN: 5841-01-439-5464

Price Condition Status
REQUEST OH OUTRIGHT REQUEST LEAD TIME
REQUEST OH EXCHANGE REQUEST LEAD TIME
622-2937-008
- Radio Altimeter Indicator
Price Condition Status
RFQ RFQ RFQ
622-2937-009
- Radio Altimeter Indicator

NSN: 5841-01-495-5422

Price Condition Status
RFQ RFQ RFQ

Click on a question below to see the answer. If you have a question about this model that is not answered below, please contact questions@seaerospace.com


In relation to NE (New) parts, many OEMs change their prices and availability without any notice to dealers or the industry. Therefore, through the REQUEST or RFQ indication, we ask that customers contact us for the most accurate price and availability.

In relation to SV & OH parts, the used parts aftermarket in the aviation industry is not an infinite supply. It is a dynamic, constantly changing market that is significantly affected by and susceptible to highs and lows in supply and demand. Therefore, although we attempt to, at times, we are unable to predict the exact moment when an item may be available. Once again, through the REQUEST or RFQ indication on our website, we ask that customers contact us for the most current and accurate price and availability.