When it comes to an affordable Radar Altimeter solution ? size matters, performance is proven and experience delivers.
Fly with a system that has over 20 years experience in the development, production, fielding and support of Radar Altimeters, our resulting products are robust and reliable altimeters that work consistently in the most demanding applications and terrain across the world today.
Size Matters: The lightest weight ? most rugged and compact system in the market today
Performance is Proven: Over 1 million flight hours in low altitude hover and terrain transitions during demanding operations
Experience Delivers: 10,000 units delivered over 20 years and preferred choice by medical, emergency and law enforcement helicopters in critical conditions.
Our certified solutions are easy to install and help you to meet Part 135 and Emergency Medical Service helicopter equipage requirements. This makes our solution the lowest cost and most affordable system to integrate into existing glass panel avionics.
When situational and height above terrain awareness are essential, bet your safety on a system that's been trusted in high-demand operations for over two decades.

Designed for applications such as helicopter seaplane operations where accuracy is needed down to zero feet, the RA-4000 Radar Altimeters provide precise AGL information from 2,500 feet down to ground level.

The RA-4000 Radar Altimeter with its RS232 output can be easily coupled with electronic flight information systems (EFIS) and flight director systems. Proven and precise, both systems offer improved situational awareness for a broad range of fixed and rotary wing aircraft.