The RA-4500 Radar Altimeter provides the pilot with highly accurate altitude above-ground-level (AGL) information from 2,000 feet down to zero feet. This real-time system offers an extra measure of operational safety during approaches and night operations. Its patented "anti-rotor-modulation" capability prevents altitude wandering while hovering. The RA-4500 radar altimeter consists of a remote unit and dual antennas for greater accuracy. The ARINC 429 outputs allow seamless integration with other onboard equipment such as flight director systems. The RA-4500 may be purchased with the RAD-40 indicator.
Trustworthy and reliable solution for commercial and non-scheduled rotorcraft looking for an affordable but effective single install solution for their aircraft.
Small, lightweight, and straightforward retrofit install
Interfaces with installed cockpit displays or optional standalone RAD-40 and RAD-45 display indicators for smooth and accurate LED AGL readings
Robust, reliable, and rugged enclosure designed for use in mission-critical and military environments
Supports RS-485/422, RS-232, and ARINC 429 for easy-to-install adoption onboard for rotorcraft, fixed-wing, & unmanned aircrafts.
The DAL B-rated RA-4500 radar altimeter is certified to TSO-C87 and ETSO-2C87 and is approved to DO-160E and DO-178B Level C.
|ALTITUDE RANGE:||-20 to 2500 ft||POWER REQUIREMENTS:||20 - 36 VDC; 400 mA MAX @ 28 VDC|
|ENVIRONMENTAL:||-67°F to +158°F; Alt: 50,000 ft||DIMENSIONS:||3.06"H x 3.15"W x 6.78"L|
|WEIGHT:||Unit: 1.9 lbs Ant (2): 0.37 lbs||TRANSMITTER POWER:||100 mW minimum out of transmitter|
|FREQUENCY:||Frequency modulated continuous wave 4.3 GHz center frequency sweep, 4.25 to 4.35 GHz||UPDATE RATE:||25 times/sec|
|ALTITUDE ACCURACY:||0 to 100 ft ± 3 ft 100 to 500 ft ± 3% 500 to 2500 ft ± 5%||DISPLAY DISABLE:||Strut switch inputs|
|SELF TEST:||Power-on self test & recurring built-in test||INPUTS:||Strut Switch|
|OUTPUTS:||RS-485/422, RS-232C||FAA:||TSO-C87 Precision Equipment|
|SOFTWARE:||DO-178B, Level C|
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