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Noise produced by an aircraft is called __________

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in Aircraft Design by (701k points)
Noise produced by an aircraft is called __________

(a) aural signature

(b) aurora beam

(c) signal beam

(d) ir beam

I got this question during an interview.

This intriguing question originated from Configuration Layout Considerations in portion Configuration Layout Considerations of Aircraft Design

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Right choice is (a) aural signature

Easiest explanation: The noise generated by an aircraft is called the aural signature of the aircraft. Aural signature or noise is very important for civil as well as military grade aircraft. Some aircraft suffers retirement due to much higher aural signatures.

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