What is the purpose of the PM LEGS page during takeoff and departure?

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Multiple Choice

What is the purpose of the PM LEGS page during takeoff and departure?

During takeoff and departure, the PM LEGS page is where you monitor engine performance. It shows real-time engine parameters—such as N1, ITT, thrust setting, and fuel flow—in relation to the current leg of the departure. Watching these values closely lets you verify the engines are delivering the expected thrust, spooling properly, and staying within limits as you accelerate and climb. Early detection of abnormal indications (like high ITT or low N1 for the requested thrust) lets you apply the appropriate procedures before you reach critical phases of flight. Other functions like route modification, weather radar, or general fuel planning aren’t the primary purpose of this page during takeoff and departure, so engine performance monitoring is the most relevant reason for using it in this phase.

During takeoff and departure, the PM LEGS page is where you monitor engine performance. It shows real-time engine parameters—such as N1, ITT, thrust setting, and fuel flow—in relation to the current leg of the departure. Watching these values closely lets you verify the engines are delivering the expected thrust, spooling properly, and staying within limits as you accelerate and climb. Early detection of abnormal indications (like high ITT or low N1 for the requested thrust) lets you apply the appropriate procedures before you reach critical phases of flight. Other functions like route modification, weather radar, or general fuel planning aren’t the primary purpose of this page during takeoff and departure, so engine performance monitoring is the most relevant reason for using it in this phase.

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