Symbols, Abbreviations And Terminology; Application Of - Piper SENECA III Pilot's Information Manual

SECTION
1
PIPER AIRCRAFT
CORPORATION
GENERAL PA-34-220T,
SENECA III
L19 SYMBOLS, ABBREVIATIONS AND TERMINOLOGY
The
following
definitions
are
of
symbols, abbreviations
and
terminology
used throughout
the
handbook and those which
may
be
of
added
operational significance to the pilot.
(a)
General Airspeed Terminology
and
Symbols
CAS
Calibrated Airspeed means
the indicated
speed of an
aircraft.
corrected for position
and
instrument
error.
Calibrated airspeed
is
equal
to true
airspeed in standard
atmosphere
at sea
leveL
KCAS Calibrated Airspeed
expressed in "Knots."
GS
Ground Speed is the speed of an airplane
relative
to the ground.
lAS Indicated
Airspeed
is the
speed
of an
aircraft
as
shown on the airspeed indicator
when corrected for instrument
error.
lAS
values published
in this handbook
assume
zero
mstrument
error.
KIAS indicated Airspeed
expressed
in "Knots.
M
Mach Number is
the
ratio
of true airspeed
to the speed of sound.
TAS
True
Airspeed
is
the airspeed of an airplane
relative to undisturbed air which is
the
CAS
corrected for
altitude.
temperature
and compressibility.
VA
Maneuvering
Speed is
the maximumspeed
at
which application of full available
aerodynamic
control
will
not overstress
the
airplane,
VFE
Tvlaximum
Flap Extended Speed is
the
highest
speed permissible
with
wing
flaps
in
a
prescribed extended
position.
REPORT:
VB-Il10
ISSUED: JANUARY 8,
1981
E6