Airport Engineering
Wing loading of an aircraft is

Gross total weight of the aircraft/total available H.P of engines
Gross total weight of the aircraft/ wing area
Gross total weight of the aircraft/ load of the wings
Load of the wings

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Airport Engineering
Speed of

All listed here
Sound at 0°C is called one Mach
Sound at 0°C is 1190 kmph
Sound varies 2.4 kmph per degree centigrade rise in temperature

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