Question

Why are retractable pitot tubes used in stealth planes?

(a) Aerodynamically efficient

(b) Stealth configuration

(c) Error values in supersonic speeds

(d) Use GPS for speed and altitude

I have been asked this question by my college professor while I was bunking the class.

My question is from Air Data Equations topic in division Air Data Systems, Altitude and Heading Reference of Avionics

Answer 1

The correct option is (b) Stealth configuration

For explanation I would say: Stealth planes, such as the B2 spirit stealth bomber, use retractable pitot tubes to maintain their stealth. When not in stealth mode they extend the probes for air data measurements.