Picture of product RT-220H

Part #: 4004437-903

Model: RT-220H




Radar Altimeter R/T

Part Number :

  • Radar altimeter transceiver utilized in AA-200 Radio Altimeter System
  • High resolution, short pulse radio altitude system
  • Provides an absolute altitude display from 0 to 2500 feet
  • Version -901 provides a trip switch output for altitudes of 50, 250 & 1250 feet
  • Version -902 (RT-221) provides the same trip switch outputs as -901, with the addition of a trip point at 400 feet
  • Version -903 (RT-220H) has an output memory of 3 seconds
  • All versions are out of production



Dimensions: 7.53"D x 10.96"W x 4.16"H Weight: 7.0 lbs max
TSO: C-87, AAAAAX Power Requirements: 21-31 VDC, 1.5 amps max
Temperature: -54°C to +55°C operation -62°C to +71°C storage Altitude: 0 to 45,000 ft
Peak Power Output: 70 watts nominal RF Freq.: 4.3 GHz
Operation Altitude: 0-2500 ft. IF Freq.: 60 MHz
Part Number: Description:
4004437-901 RT-220, Trip points: 50, 200, 1250 ft, Radar Altimeter
4004437-902 RT-221, Trip points: 50, 200, 400, 1250 ft, Radar Altimeter
4004437-903 RT-220H, Trips points as -901, Output Memory of 3 seconds, Radar Altimeter


- Rad. Alt. R/T
Price Condition Status

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.