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Showing posts with the label LIGHTNING STRIKES

Sub Module 7.19 : ABNORMAL EVENTS (ESSAY QUESTION)

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LIGHTNING STRIKES   Lightning is the discharge of electricity in the atmosphere, usually between highly charged cloud formations, or between a charged cloud and the ground. If an aircraft is flying in the vicinity of the discharge or it is on the ground, the lightning may strike the aircraft. This will result in very high voltages and currents passing through the structure.     Effects of a Lightning Strike:   Lightning strikes are likely to have two main effects on the aircraft 1: Strike damage where the discharge enters the aircraft. This will normally be on the extremities of the aircraft, the wing tips, nose cone and tail cone and on the leading edge of the wings and tail plane. The damage will usually be in the form of small circular holes, usually in clusters, and accompanied by burning or discoloration. 2:  Static discharge damage at the wing tips, trailing edges and antenna. The damage will be in the form of local pitting and burning. Bonding strips ...