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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 fluids 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.
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Moment Arm: The horizontal distance from the Datum Plane to the Center of Gravity of a component.
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
ECU: Engine Control Unit.
FADEC: Full Authority Digital Engine Control.
RPM: Revolutions per minute (rotational speed of the propeller).
Engine starting fuel temperature: Above this fuel temperature the engine may be started.
Take-off fuel temperature: Above this fuel temperature take-off power setting is permitted.
(f) Designation of the circuit breakers on the instrument panel
LH MAIN BUS:
COM1 GPS/NAV1 XPDR ENG INST PITOT XFR PUMP/DE-ICE TAXI/MAP/ACL FLOOD/OXY PFD ADC AHRS GEAR WRN/ELEV. LIMIT GEAR
RH MAIN BUS:
MFD AH STALL WRN FLAP LDG LT/START INST LT/ NAV LT AV/CDU/FAN AVIONIC BUS
' AV CONT.
COM Radio No. 1 Global Positioning System and NAV Receiver No. 1 Transponder Engine Instruments Pitot Heating System Fuel Transfer Pump / De-Icing System Taxi-, Map-, Anti Collision Light Flood Light / Oxygen System Primary Flight Display Air Data Computer Attitude Heading Reference System Landing Gear Annunciation / Variable Elevator Stop Landing Gear Control
Multi Function Display Artificial Horizon Stall Warning System Flap System Landing Light / Start Instrument-, Navigation (Position) Light Avionic-, CDU-Cooling Fans Avionic Bus Avionic Control
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AVIONICS BUS:
COM2 GPS/NAV2 AUDIO AUTO PILOT Wx 500 ADF DME Wx RDR
' TAS ' DATA LINK
LH ENG ECU BUS:
ECU BUS ECU B ECU A
LH BUS:
ALT.LH BATT
RH BUS:
ALT.RH BATT COM Radio No. 2 Global Positioning System and NAV Receiver No. 2 Audio Panel Auto Pilot System Stormscope Automatic Direction Finder Distance Measuring Equipment Weather Radar Traffic Advisory System GDL 69A Data Link System
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