SECTION
1
GENERAL
SPECIFIC
LOADINGS
Wing
Loading:
Power
Loadi
ng:
30.3
pounds
per square foot
10.5
pounds
per horsepower
SYMBOLS, ABBREVIATIONS AND TERMINOLOGY
GENERAL
AIRSPEED
TERMINOLOGY AND SYMBOLS
lAC
CAS
I
DC
G
lAS
KCAS
KIAS
KTAS
INM
lAS
, n
AC
is
alternating
current.
Calibrated Airspeed
is
the indicated
speed
corrected for
position
and
instrument
error.
Calibrated airspeed
is
equal
to true ai rspeed
in
standard atmosphere
at
sea
level.
~
is
direct
current.
Q
is
acceleration
due
to gravity.
Indicated Airspeed
is
the
speed
as
shown
on
the airspeed
indicator.
lAS
values published
in
this
handbook
assume
zero instrument
error.
Calibrated Airspeed expressed
in
knots.
Indicated Airspeed expressed
in
knots.
True
Airspeed expressed
in
knots.
NM
is
nautical miles.
True
Airspeed
is
the airspeed
relative
to undisturbed
air
WhlCh
is
the
CAS
corrected for
altitude,
temperature
and
compressibil
ity.
Maneuvering
Speed
is
the
maximum
speed
at
which
appl
i-
cat
i
on
of full
ava
i1able
aerodynami
c control
wi
11
not
overstress the airplane.
Maximum
Flap
Extended
Speed
is
the highest
speed
permis-
sible
with
wing
flaps
in
a prescribed extended position.
Maximum
Landing
Gear
Extended
Speed
is
the
maximum
speed
at
which
an
airplane
can
be
safely
flown
with
the land-
ing gear extended.
Maximum
Landing
Gear
Operating
Speed
is
the
maximum
speed
at
which
the landing gear
can
be
safely extended
or
retracted.
Air
Minimum
Control
Speed
is
the
minimum
flight
speed
at
which
the airplane
is
directionally
controllable as
determined in accordance
with
Federal Aviation Regula-
tions.
Airplane
certification
conditions include
one
engine
becoming
inoperative
and
windmill ing;
not
more
than a
5°
bank
towards the operative engine; takeoff
power
on
operative engine; landlng gear
up;
flaps
in
takeoff position;
and
most
rearward
CG.
1
November
1979
Rgvicinn
A _ 1
ngrgmhg~
lQR1
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