Controlled flight into terrain

Controlled flight into terrain (CFIT) describes a collision whereby an airworthy aircraft, under pilot control, inadvertently flies into terrain, an obstacle, or water. The term was developed by engineers at Boeing in the late 1970s. The pilots are generally unaware of the danger until it is too late. In civil and especially in private aviation, CFIT may be humorously referred to as the result of "rock-filled clouds" or "cumulogranite" (a portman... more

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