POH / AFM
AQUILA AT01-100A
Section 1
GENERAL
Document Nr.:
Issue:
Supersedes Issue:
Date:
Page:
FM-AT01-1010-101
A.06
A.02 (15.10.2013)
01.06.2018
1 - 10
1.11.2
Weight and Balance
Reference Datum:
An imaginary vertical plane from which all horizontal
distances are measured for balance purposes
Reference Line:
fixed horizontal reference line
Lever Arm:
The horizontal distance from the reference datum to the
center of gravity (C.G.) of an item
Moment:
The product of the weight of an item multiplied by its lever
arm
Empty Weight:
Weight of the aircraft including unusable fuel, full operating liquids
and full oil.
Max. Takeoff Weight:
Maximum permissible weight approved for the conduction of
the takeoff run
Useful Load:
Difference between takeoff weight and basic empty weight
Usable Fuel:
Fuel available for flight planning
Unusable fuel
:
Fuel remaining in the fuel tanks that cannot be safely used in flight.
Center of Gravity (C.G.):
The point at which the aircraft would balance if it were possible to
suspend it at that point
MAC:
mean aerodynamic chord
MTOW:
maximum takeoff weight
MWL:
maximum landing weight
MZFW:
empty weight
1.11.3
Meteorological Terminology
ISA:
International Standard Atmosphere
MSL:
Altitude above sea level
OAT:
Outside Air Temperature
QNH:
Barometric pressure adjusted to sea level
SAT:
Static Air Temperature - equal to OAT
VFR, Day:
Beginning of morning civil twilight until end of evening civil twilight
(sun 6° below horizon)
VFR, Night:
End of evening civil twilight until beginning of morning civil twilight
(sun 6° below horizon)
DVFR:
Flight during the day according to visual flight rules
NVFR:
Flight during the night according to visual flight rules
