cabin differential pressure
- cabin differential pressure
The difference between pressure inside and outside the cabin of a pressurized aircraft. The maximum differential pressure that can be maintained is a function of aircraft structure. It is desirable to have cabin pressure as close to the sea level (normally, a cabin pressure corresponding to 6000 to 8000 ft) for the comfort of the passengers and the crew. In the figure, a differential pressure of 13 and 9.25 psi will be required to maintain ground level and 8000-ft conditions, respectively, if the aircraft is at 50,000 ft.
Aviation dictionary.
2014.
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