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Section 1 ā GENERAL
ACRONYMS AND TERMINOLOGY
P-Mentor ā Aircraft Flight Manual Page 1 - 11
9.5. Aircraft performance and flight planning terminology
Crosswind Velocity is the velocity of the crosswind component for the
which adequate control of the airplane during
take-off and landing is assured.
Usable fuel is the total fuel minus unusable fuel.
Unusable fuel
is the quantity of fuel that cannot be safely used in
flight.
G is the acceleration of gravity.
TOR
is the take-off distance measured from actual start
to MLG (main landing gear) wheel lift-off point.
TOD
(Take-off Distance)
is total take-off distance measured from start to
15m (50 ft) obstacle clearing.
LR is the distance measured during landing from
actual touchdown to stop point.
LD is the distance measured during landing, from
15m (50 ft) obstacle clearing to actual stop.