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Light aircraft, such as a Cessna 150, take off at around 100 km/h (54 kn; 62 mph). Ultralights have even lower takeoff speeds. For a given aircraft, the takeoff speed is usually dependent on the aircraft weight; the heavier the weight, the greater the speed needed. [1]
Takeoff safety speed. The speed at which the aircraft may safely climb with one engine inoperative. [7] [8] [9] V 2 min: Minimum takeoff safety speed. [7] [8] [9] V 3: Flap retraction speed. [8] [9] V 4: Steady initial climb speed. The all engines operating take-off climb speed used to the point where acceleration to flap retraction speed is ...
The takeoff decision speed V 1 is the fastest speed at which the pilot must take the first actions to reject the takeoff (e.g. reduce thrust, apply brakes, deploy speed brakes). At speeds below V 1 the aircraft can be brought to a halt before the end of the runway. At V 1 and above, the pilot should continue the takeoff even if an emergency is ...
Bridgeman, Leonard Jane's All The World's Aircraft 1948. MacMillan, 1948. Bridgeman, Leonard Jane's All The World's Aircraft 1959–60. Sampson, Low, Marston and Company, 1959. Fillingham, Paul Basic Guide to Flying. New York: Hawthorn, 1975. ISBN 0-801-50525-9; Jackson, Paul Janes All the Worlds Aircraft 2004–05, Janes Publishing Company, 2004.
Conventional airplanes accelerate along the ground until reaching a speed that is sufficient for the airplane to takeoff and climb at a safe speed. Some airplanes can take off at low speed, this being a short takeoff. Some aircraft such as helicopters and Harrier jump jets can take off and land vertically. Rockets also usually take off ...
Typically, takeoff clearance was received by the aircraft once the aircraft ahead of it was on the runway. Upon taking off, the navigator called milestones, indicating the minimum speed at important positions on the runway. If the aircraft wasn't at speed during S1 time (120 knots (138 mph; 222 km/h)), the plane aborted takeoff.
Table II-5-1-2 Aircraft approach categories do not change during day-to-day operation. To change an aircraft's category, an aircraft must be re-certified with a different maximum landing mass. [1]: II-5-1-3 Pilots may not use a lower category than the one certified, but may choose to use a higher category for higher speed approaches. [2]
The H/V curve also contains a take-off profile, indicating how a pilot can start from 0 height and 0 speed, and safely traverse to cruise. At low heights with low airspeed, such as a hover taxi, the pilot can simply cushion the landing with collective by converting rotational inertia into lift. Conversely, a complete power loss, and resultant ...