1.4. Abbreviations and denitions
IAS Indicated Air Speed is the reading of the in-built airspeed indicator.
CAS Calibrated Air Speed is the airspeed after the IAS instrument and pitot port errors have been corrected (CAS
is equivalent to the true airspeed at zero level of international standard atmosphere).
TAS True Air Speed is the aircraft speed considering “undisturbed” air.
IFR Instrument Flight Rules.
VFR Visual Flight Rules.
ISA International Standard Atmosphere.
MAC Mean Aerodynamic Chord.
VTU Vertical Tail Unit (n with rudder).
HTU Horizontal Tail Unit (stabilizer with elevator).
V
S0
Stall speed or minimum steady ight speed at which the aircraft is controllable in the landing
conguration.
V
S1
Stall speed or minimum steady ight speed at which the aircraft is controllable in crise conguration
V
F0
Maximum ap extending and retracting speed.
V
FE
Maximum ap extended speed.
V
A
Design maneuvering speed.
V
C
Design cruising speed
V
L0
Maximum speed for landing gear extending and retracting.
V
H
Maximum speed in level ight with maximum continuous power.
V
NE
Never exceed airspeed.
RWY Runway
LG Landing Gear
EPS Emergency Parachute System
ELT Emergency Locator Transmitter
Unless otherwise stated, the airspeeds in the manual are IAS