Wing flap, widely assembled in various kinds of airplanes, can increase lift force rapidly in a short time, for an aircraft taking off or landing, and also at some emergency situations.

襟翼在各种飞机上普遍应用，它可以在短时间内增加飞机升力，主要用在飞机起降过程和特殊紧急情况下。

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The president of the Australian Licensed Aircraft Engineers Association, Paul Cousins, said: ''It appears as though the snake has initially crawled up inside the landing bay, maybe housed himself in there, and then crawled into the trailing ledge flap assembly.

BBC: Snake clings to Qantas plane's wing during flight