Which of the following is primarily responsible for an IR signature?(a) Engine exhaust(b) Passenger(c) Fuel tank(d) Cabin crewThe question was posed to me in semester exam.This key question is from Configuration Layout Considerations topic in division Configuration Layout Considerations of Aircraft Design

Which of the following is primarily responsible for an IR signature?(a

1.	Which of the following is primarily responsible for an IR signature?(a) Engine exhaust(b) Passenger(c) Fuel tank(d) Cabin crewThe question was posed to me in semester exam.This key question is from Configuration Layout Considerations topic in division Configuration Layout Considerations of Aircraft Design
Answer» The CORRECT option is (a) Engine EXHAUST To explain I would say: Primary SOURCES for IR detection in an aircraft is engine exhaust. Passenger, cabin crew and fuel tank will play minor ROLE as compared to the engine exhaust. Engine exhaust consists of HOT gases and emissions.

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