Engine Power Terminology; Ai R Pl A Ne Performance And Flight Pl A Nni N G Terminol O - Cessna 172SPHUSR05 Pilot Operating Handbook

SECTION 1
GENERAL
E NGINE POWER TERMINOLOGY
Full
Throttle
Closed
Throttle
AIRPLANE PERFORMANCE AND FLIGHT PLANNING
TERMINOLOGY
Demon­
strated
Crosswind
Vel o ci t y
Usabl e Fuel
Unusabl e
Fuel safel y used in fli g ht.
GPH
NMPG
g
Course
Datum
1 -1 0
Throttle full forward (pushed in, full control travel,
toward the panel) Al s o known as "full open" throttle.
Throttl e full aft (pulled out, full control travel, away
from the panel). Al s o known as the throttle "i d l e "
posi t ion.
Demonstrated Crosswind Velocity
of the crosswi n d component for whi c h adequate
control of the airpl a ne during takeoff and l a nding
was actuall y demonstrated during certi f i c ation tests.
The value shown i s not consi d ered to be limi t ing.
i s the fuel availabl e for fl i g ht pl a nning.
Usable Fuel
i s the quanti t y of fuel that can not be
Unusable Fuel
Gallons Per Hour
per hour.
Nautical Miles Per Gallon
be expected per gal l o n of fuel consumed at a
speci f i c engine power setti n g and/or flight
confi g urati o n.
i s accelerati o n due to gravi t y.
9
i s the compass reference used by
Course Datum the autopilot, al o ng wi t h course deviati o n, to provide
lateral control when tracking a navigati o n si g nal.
(Conti n ued)
i s the amount of fuel consumed
i s the distance which can
CESSNA
MODEL 1 72S
is the vel o ci t y
Revi s ion 4