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Old 13th April 2022 | 02:50
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awair
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Joined: Jan 2005
: ATPL
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VREF Limitation (777-200LR/Freighter)

At lighter weights, FMC approach VREF speeds are limited to a minimum value to ensure controllability in the event of an engine failure. These minimum speeds vary with engine maximum thrust rating and destination airport elevation.
Does this help?

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