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What happens if a helicopter is struck by lightning?
In many cases, helicopters designed to withstand a variety of extreme weather conditions can still land safely after being struck by lightning. Some lightning-related damage to major helicopter components can run into the millions of dollars in replacement and repair costs.
Can a helicopter survive lightning?
Dangers Associated with Bad Weather Many helicopter pilots will delay a flight if they know that lightning is a possibility. In most cases, however, helicopter pilots can land the copter safely even if it is hit by lightning.
Can a flying bird get struck by lightning?
Birds do get hit by lightning and are often killed by it. Birds that have been hit in the past include geese, blackbirds, starlings, cowbirds, owls, and even pelicans. However, these cases are rare as most birds do not take flight in the rain or in a thunderstorm due to the low barometric pressure.
What causes triggered lightning?
Lightning is an electrical discharge caused by imbalances between storm clouds and the ground, or within the clouds themselves. Most lightning occurs within the clouds. This heat causes surrounding air to rapidly expand and vibrate, which creates the pealing thunder we hear a short time after seeing a lightning flash.
What happens when lightning hits the ground?
Typically, when lightning strikes something on the ground, the object that is struck sends a faint channel upward that joins the downward developing flash and creates the connection to the ground. Taller objects are more likely than shorter objects to produce the upward channel.
Can birds fly when wet?
They can—but not very well. While it’s not impossible for birds to fly in the rain, they usually choose not to. You may see birds fly short distances in poor weather to find something to eat, but most of them prefer to stay put. Instead, birds are affected by the drop in air pressure that comes with most rainstorms.
How do planes survive lightning strikes?
The lightning strike normally hits one end of the plane, typically the nose or wing tip. The electricity then travels through the plane’s exterior skin and leaves on the opposite end. This allows the plane to take the lightning strike, without affecting the interior of the plane.
How often do planes get struck by lightning?
The Federal Aviation Administration estimates that commercial jet airliners in the US are struck by lightning once every 1,000 flight hours, or once each year, on average. Planes can even trigger lightning themselves by flying through ionized clouds.
What happens when an airplane gets struck by lightning?
When lightning strikes a plane during flight, it usually attaches to the nose or wing tip of the plane. As the plane flies through the lightning flash, the electricity reattaches to the fuselage, and then travels through the exterior structure of the aircraft, exiting through another extremity such as the tail.
Why is airplane safe from lightning strikes?
Since the outer skin of most airplanes is primarily aluminum, which is a very good conductor of electricity; the secret to safe lightning hits is to allow the current to flow through the skin from the point of impact to some other point without interruption or diversion to the interior of the aircraft.