![]() ![]() This can result in multiple burn areas or other damage that could have a direct effect on a plane’s structural integrity, and indirect effects that include damage to radio equipment and avionics or other electrically operated mechanisms, such as fuel valves when electrical potential differences or magnetic effects cause transient voltage spikes. Therefore, the entry point will change as the charge reattaches to other locations aft of the initial point. Boeing recently reported in its AERO magazine that an airplane flies farther than its own length in the time it takes a strike to begin and end. (Chicago, Ill.) has reported that the probability of a worst-case strike could be as infrequent as once every 10 to 15 years, aircraft designs must be able to withstand such a strike. ![]() For commercial aircraft, that’s equivalent to one strike per aircraft per year. But for craft made with less-conductive carbon fiber composites or nonconductive fiberglass, lightning strike protection (LSP) is critical.Īccording to statistics published by the Royal Canadian Air Force, a plane can be struck by lightning on average every 1,000 to 3,000 flight hours. On planes built from highly conductive aluminum, even the worst-case 200,000-ampere jolt can be quickly conducted away. In the case of aircraft, it can strike multiple times.
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