Principles of Flightmedium#528
A Mach trimmer is designed to:
A
Increase speed
B
Adjust engine thrust
C
Limit maximum Mach number
D
Automatically apply nose-up trim to counteract Mach tuck
CorrectExplanation
The Mach trimmer applies progressive nose-up elevator/stabilizer trim as Mach increases to compensate for the nose-down tuck tendency.
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