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The ARA-4000 Radar Altimeter by Freeflight from Pacific Coast Avionics provides highly accurate altitude above-ground-level (AGL) information from 2,000 feet down to ground level. This real-time radar altimeter system offers an extra measure of operational safety during landing, navigation, and hovering. The ARA-4000 is critical in flying pipeline maintenance, offshore helicopter operations, aeromedical emergency medical services, border patrol, search and rescue missions, forestry operations, and electronic news gathering operations. The ARA-4000 Radar Altimeter's patented "anti-rotor-modulation" feature prevents altitude wandering while hovering in a helicopter. The RA-4000 radar altimeter by Freeflight consists of a remote unit and dual antennas for greater accuracy. Extensive I/O capabilities allow seamless integration with other on-board avionics equipment such as flight director systems and TAWS.

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