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Publication
JP OM15
Jabiru J400
Owners Manual
Section: 0
REVISION
0
Dated: SEPT 00
Page 0-9 of 9
AIRPLANE PERFORMANCE AND FLIGHT PLANNING
TERMINOLOGY
MAXIMUM CROSSWIND
VELOCITY
The velocity of the crosswind component for which
adequate control of the airplane during takeoff and
landing was actually demonstrated during the
certification tests. The value shown is limiting.
USEABLE FUEL
The fuel available for flight planning
UNUSABLE FUEL
The quantity of fuel that cannot be safely used in flight
LPH LITRES PER
HOUR
The amount of fuel ( in litres ) consumed per hour
NMPL NAUTICAL
MILES PER LITRE
The distance ( in nautical miles ) which can be
expected per litre of fuel consumed at a specific engine
power setting and/or flight configuration.
g
The acceleration due to gravity.
WEIGHT AND BALANCE TERMINOLOGY
STATION
Only two load stations are specified: ie Seat Station
which is the centre of the fixed seats and Fuel Station
which is the centre of the fixed fuel tank.
C.G. CENTRE OF
GRAVITY
The point at which an airplane, or equipment, would
balance if suspended.
C.G. LIMITS
The extreme centre of gravity locations within which the
airplane must be operated at a given weight.
STANDARD EMPTY
WEIGHT
The weight of a standard airplane, including unusable
fuel, full operating fluids and full engine oil.
BASIC EMPTY WEIGHT
The standard empty weight plus the weight of optional
equipment.
USEFUL LOAD -
The difference between ramp weight and the basic
empty weight.
MTOW MAXIMUM
TAKEOFF WEIGHT
The maximum weight approved for the start of the
takeoff run.