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FreeFlight radar altimeters STC for H125 Series


September 10, 2020
By Helicopters Staff


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FreeFlight Systems’ RA-4000/RA-4500 series radar altimeters are now approved for installation on the Airbus Helicopters H125 series (Eurocopter AS350) rotorcraft. The recently developed Supplemental Type Certificate (STC) revision also includes FreeFlight’s RAD-45 indicator display, an optional accessory compliant to European Radar Altimeter display requirements for easy-to-read trend information with built-in audio alerts.

The STC, registered to Monte-Carlo Helicopter Service, a brand of Heli Air Monaco, will begin installation of the RA-4500 on their Airbus Helicopters H125 fleet during the summer of 2020.

FreeFlight explains its radar altimeters are well suited for rotorcraft low altitude performance and terrain transitions, providing air ground level (AGL) information from 2,500 feet to 20 feet below ground level.

The RA-4500, when paired with FreeFlight’s FDC-500 Digital to Analog converter, can also be installed onto turboprops and light business jets as a replacement for the Honeywell’s KRA405B and other legacy altimeters. The FDC-500 is scheduled for release later this year.

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FreeFlight’s TSO and ETSO-approved systems are extensively deployed in helicopter fleets worldwide. With an update rate of 25 times per second, and a built-in self-test function, the RA-4000 and ARINC 429 capable RA-4500 are installed in more than 5,000 fixed-wing and rotorcraft aircraft globally.


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