Power assurance check to verify that the engine is capable of producing the required thrust; - Vibration and balance controls to check and, if necessary, balance the motor rotors; - Oil and fuel system checks; - Leak checks to verify that all systems are free of leaks. Engine testing on the wing is carried out in the open or near the hangar.
After the engines are mounted on the wing, the engines are checked frequently. As a result of these checks or after the engine change, the engines are tested on the wing at various power levels. Engine tests on the wing are performed for a variety of reasons and include tests such as.