31-04. MASS AND BALANCE DETAILS OF AIRCRAFT

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1. The mass and balance information gives: Basic Mass: 1.200 kg Basic Balance Arm: 3 m Under these conditions the Basic centre of gravity is at 25% of the Mean Aerodynamic Chord (MAC). The length of MAC is 2 m. In the mass and balance section of the flight manual the following information is given: Position Arm front seats: 2,5 m Position Arm rear seats: 3,5 m Position-Arm rear hold: 4,5 m Position Arm fuel tanks: 3,0 m The pilot and one passenger embark; each weighs 80 kg. Fuel tanks contain 140 litres of petrol with a density of 0,714. The rear seats are not occupied. Taxi fuel is negligible. The position of the centre of gravity at takeoff (as % MAC) is:

2. Referring to the Loading Manual for the transport aeroplane, the maximum running load for the aft section of the forward lower deck cargo compartment is:

3. The aeroplane has a Takeoff Mass of 58.000 kg. At this mass the range of safe CG positions, as determined from the appropriate graph in the Loading Manual, is:

4. An aircraft with a two wheel-nose gear and four main wheels rests on the ground with a single nose-wheel load of 500 kg and a single main wheel load of 6.000 kg. The distance between the nose wheels and the main wheels is 10 meters. How far is the centre of gravity in front of the main wheels?
5. At the Maximum Landing Mass the range of safe CG positions, as determined from the appropriate graph in the Loading Manual, is: