1 - GENERAL INFORMATION
1.6 - DEFINITION AND
ABBREVIATIONS
Airplane performance and flight planning terminology
The velocity of the crosswind component for which adequate
control of the aircraft during take-off and landing can be
demonstrated.
The distance measured during landing from actual touchdown
to the end of the landing run.
The distance measured during landing from clearance of a 15
m obstacle (in the air) to the end of the landing run.
The take-off distance measured from the actual start of the
take-off run to clearance of a 15 m (50 ft) obstacle (in the air).
The take-off distance measured from actual start of the take-
off run to the wheel lift off point.
The fuel available for flight planning.
Mean sea level, the average level of the Earth’s oceans.
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