What are the effects of less weight in an aircraft?

Weight Changes If a pilot lowers airplane weight by reducing fuel, the resulting decrease in the range of the airplane must be taken into consideration during flight planning. During flight, fuel burn is normally the only weight change that takes place.



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Weight is a major factor in aircraft construction and operation and demands respect from all pilots. The force of gravity continuously attempts to pull an aircraft down toward Earth. The force of lift is the only force that counteracts weight and sustains an aircraft in flight.

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Mass doesn't affect speed directly. It determines how quickly an object can change speed (accelerate) under the action of a given force. Lighter objects need less time to change speed by a given amount under a given force.

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Operating over weight will cause the aircraft to not meet the climb rates published in POH/AFM data, require longer runway distance for takeoff, lessen single-engine performance in a multi-engine aircraft, reduce glide distance in an emergency, and contribute to poor stablity if a stall is encountered, potentially ...

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