Altimeters that are specifically designed to provide mark signals at specific altitudes for automatic operations are called as _________
(a) Radar altimeter
(b) Pressure altimeter
(c) Altitude marking radar
(d) Mark altimeter
This question was posed to me by my school principal while I was bunking the class.
Origin of the question is Radar Altimeter in portion Celestial Navigation, Doppler and Altimeter Radars of Avionics