FSX – Sound Effect For F-104 Starfighter Howel and motor sound for Lockheed F104 Starfighter. These two sounds can be implemented in existing sound set for the F-104 Starfighter. The two files “howel2.wav and motor.wav”, each having its section in sound.cfg. The sections must be inserted in sound.cfg. Read “Readme F-104 motor sound. txt” for instruction. By Harald Sandvik.