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 altitudeI 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

Why are retractable pitot tubes used in stealth planes?(a) Aerodynamic

1.	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 altitudeI 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» 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.

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