Aircraft performance refers to the ability of airplanes and helicopters to accomplish certain useful things.
The subject of aircraft performance includes aircraft speed, ceiling, range and fuel efficiency, take-off distance required, and climb rate.
[5][6] Performance data is information pertaining to takeoff, climb, range, endurance, descent, and landing.
[1] Aircraft performance is affected by atmospheric conditions.
Higher temperatures and humidities, and lower pressures reduce air density.