Engine Powerplant

Question 1

Which two additional functions does the exhaust system provide?

Answer 1

Engine bay ventilation and reduces the Infrared (IR) signature of the aircraft

Question 2

What secondary retention system is used on the exhaust nozzle to engine interface?

Answer 2

Four retention catches

Question 3

What reduces the temperature of the hot engine exhaust gases and therefore reduces the Infrared (IR) signature of the aircraft?

Answer 3

Engine bay cooling exhaust airflow and Inlet Particle Separator (IPS) exit airflow