RALT (Radar Altimeter)

 

 

What is Radar Altimeter?

 

A radar altimeter (a.k.a. radio altimeter, Rad Alt, RALT) is a small, low-power, downwardlooking radar ranging system which measures aircraft height above terrain and obstacles.

Rad Alts are used on all types of civil and military aircraft, including transport and cargo airplanes, private airplanes, helicopters, combat aircraft, missiles, UAVs, etc.

 

 

 

 

 

Reference : https://avsi.aero/