FEATURES

• • • Low Range Radio Altimeter
    • Form & fit replacements of discontinued ALT-50A/-55B (see P/N chart below for specific replacement information)
    • Intended for single installations certified for Category II landings and for dual or triple installations in Category IIIa (ALT-1000 is intended for single installations in Category II ONLY)
    • Measures radar height above terrain up to 2,500 feet
    • Accurate to within two feet at the critical low altitudes
    • E
    • Four ARINC 429 digital buses
    • Used with ANT-52 antennas
    • Available with standard or shop-adjustable trips (see table below)
    • Full temperature/altitude capability
    • Stringent lightning and HIRF hardening
    • Single unit packaged in a 3/8 ATR short-low package
    • Package and aircraft mounting are identical to the ALT-55B
    • Lightweight at 4.7 pounds with additional aircraft installation delay selections that can reduce antenna cable weight
    • Front panel computer port for system configuration and access to system faults
    • Computer interface that allows for flight simulation to aid checks of associated systems
    • Versions compatible with Collins FPA-80 Flight Profile Advisory aural alert unit
    • Versions available that directly plug in and replace the ALT-55B/-50A
    • ntirely digital, allowing for complete end-to-end monitoring
    • Frequency-Modulated Continuous Wave (FMCW) technology
    • Versions with analog outputs capable of driving existing indicators
    • Analog outputs in ALT-55B or ARINC 552A format – strap selectable