Critical Engine

Definition

The engine whose failure would most adversely affect aircraft performance and handling. In conventional propeller aircraft, it is typically the left engine due to P-factor effects on the remaining engine.

Related Terms

Engine-Out Operations

Flight procedures with one engine inoperative in a multi-engine aircraft. Critic...

VMC(VMC)

Minimum control speed with the critical engine inoperative. Below VMC, direction...

P-Factor(P-factor)

Asymmetric propeller thrust that causes yaw, most noticeable at high power and h...

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