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Altitude reading with altimeter set to 1013.25 hPa (29.92 inHg).
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Pressure Altitude: Altitude above MSL, indicated by a barometric altimeter which is set to 1013.25 hPa (29.92 inHg). The Pressure Altitude is the Indicated Pressure Altitude corrected for installation and instrument errors.
In this Airplane Flight Manual altimeter instrument errors are regarded as zero.
Wind: The wind speeds which are shown as variables in the diagrams in this manual should be regarded as headwind or tailwind components of the measured wind.
(c) Flight performance and flight planning
Demonstrated Crosswind Component: The speed of the crosswind component at which adequate maneuverability for take-off and landing has been demonstrated during type certification.
MET: Weather, weather advice.
NAV: Navigation, route planning.
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(d) Mass and balance
CG: Center of Gravity, also called 'center of mass'. Imaginary point in which the airplane mass is assumed to be concentrated for mass and balance calculations. Its distance from the Datum Plane is equal to the Center of Gravity Moment Arm.
Center of Gravity Moment Arm: The Moment Arm which is obtained if one divides the sum of the individual moments of the airplane by its total mass.
Center of Gravity Limits: The Center of Gravity range within which the airplane, at a given mass, must be operated.
DP: Datum Plane; an imaginary vertical plane from which all horizontal distances for center of gravity calculations are measured.
Empty Mass:
The mass of the airplane including unusable fuel, all operating consumables and the maximum quantity of oil.
Maximum Take-off Mass:
The maximum permissible mass for take-off.
Maximum Landing Mass: The highest mass for landing conditions at the maximum descent velocity. This velocity was used in the strength calculations to determine the landing gear loads during a particularly hard landing.
Moment Arm: The horizontal distance from the Datum Plane to the Center of Gravity of a component.
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Moment: The mass of a component multiplied by its moment arm.
Usable Fuel: The quantity of fuel available for flight planning.
Unusable Fuel: The quantity of fuel remaining in the tank which cannot be used for flight.
Useful Load: The difference between take-off mass and empty mass.
(e) Engine
AED: Auxiliary Engine Display CED: Compact Engine Display CT: Coolant Temperature ECU: Engine Control Unit FADEC: Full Authority Digital Engine Control GT: Gearbox Temperature LOAD: Engine output power in percent of max. continuous power OP: Oil Pressure (oil pressure in the lubrication system of the engine) OT: Oil Temperature (oil temperature in the lubrication system of the engine) RPM: Revolutions per minute (rotational speed of the propeller)
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