(x1)  | By: Eagle | 3,825 Views | 7 Replies

travel forumLightning Bolts and Planes


Lightning bolts are really really scary even when you're safely tucked away behind brick walls on solid ground,
so the idea of a bolt striking an electronics-dependent, fuel-filled plane hurtling through the air can be terrifying.
But it happens more often than you think.
It's estimated that lightning strikes each plane in the U.K. about once a year without any serious consequences,

Do you think that a bolt may have been a factor in Monday's crash of a Boeing 737-700 jet on the island of San Andres, Colombia?
The pilot reported a lightning strike.

If a bolt did play a role, it would be one of very few incidents in recent history of lightning bringing down a plane.
The last confirmed civilian plane crash in the U.S. directly attributed to lightning was in 1967,
when a bolt caused a catastrophic fuel tank explosion.

Much has changed since then
to avoid such accidents.
They've learned a lot over the
years from modern aviation
about what to do to help protect
the plane and basically
how to avoid lightning all together.
But either way, you're going to run
into it, the bigger ones will try to fly
around the bad storms,
but at some point they have to
fly through some of these.
 When they do, airliners are
well-equipped to handle
lightning bolts.
Lightning strikes Qantas aeroplane

Here are some FAQs I gathered about lightning striking planes answered by professionals.

Question: How big an issue are lightning strikes to planes?
Answer: Airplanes have been designed for years to deal with lightning strikes pretty well. Since the 1930s, it's been clearly understood that aircraft will be subjected to lightning strikes, so they're sort of designed to take it.
And they do it by basically making sure there's a conductive path so that the lightning runs around the skin of the aircraft. It is dissipated out safely through points that have static wicks [antenna-like devices on wingtips] and so on, things that help the electricity flow around the aircraft and back out to the atmosphere.
You don't really see the fuel igniting or aircraft breaking apart, and most of the time you don't see any damage at all. It dissipates as designed. Sometimes the lightning bolt is substantial enough that it will actually maybe punch a little hole in the skin as it goes out, but that's about all that it really does.

Question: Is it possible for lightning to cause a plane to crash these days?
Answer: Pretty unlikely. I can't say anything is impossible, but we certainly don't see that happening. It's pretty well down on our list of concerns, again because we have a lot of experience with this, and aircraft get hit by lightning every day.

Question: If a bolt strikes a plane, what kind of damage could it do?
Answer: You normally see damage to the wing tips or the tail. It's usually a sharp, pointy part of the aircraft. Sometimes you see some damage to that, which is highly localized, and if it's as big as your fist, it would be amazing. But it's usually more in the line of maybe the size of a quarter -- a hole punched in the aircraft.

Question: What about the electronics?
Answer: The electronics could be susceptible, but they do develop electronics and test [them] assuming static discharge is an issue, because even without lightning, static buildup on an aircraft is significant, and so to a great extent the electronics have been hardened for it.
So you don't normally see much of an upset on the electronics.

Question: How about the fuel tank?
Answer: Same thing. There's static discharge precautions, grounding precautions built into the fuel tanks.
Question: So it seems like the testing is pretty rigorous for planes.
Answer: Oh, absolutely. Lightning is not an unexpected threat, so it's something that people have designed around pretty well over the last 50-60 years.

Question: If you're on a plane and it's struck by lightning, what do you feel?
Answer: Probably nothing. You might notice the bright flash.

Plane Struck By Lightning


Question: You wouldn't feel a jolt or something similar?
Answer: You probably wouldn't feel anything at all because it just gets routed around the outside the aircraft. Almost the same thing that happens to your car. If you're in your car and you get by lightning you might not even know it happened.

Question: If pilots suspect a plane was hit by lightning, would it be grounded?
Answer: They would certainly inspect the aircraft in the event you had some sort of damage, where it could have exited some place and blown a little metal out. That's also the reason that pilots walk around the airplane still. It may seem old-fashioned, but mechanics and pilots do check the aircraft before every flight just in case something like that could have happened.

Question: Landing and take off is always a critical time, so if lightning strikes then is that more dangerous than being hit mid-flight?
Answer: It could be distracting, but the far greater hazards on landing and departure are associated with the changes in wind direction and wind shear with thunderstorms. That's a far more hazardous circumstance.


Question: So should the average passenger be even worried about a lightning strike on a plane?
Answer: Not really. Lightning is just not a real big issue. The things that surround lightning, like the turbulence,
the wind shear and so on associated with thunderstorms are far greater hazards than the lightning, even though
lightning is by its nature very frightening and threatening!

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7 Replies:

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John Dennis

United States United States
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Very informative and wonderful article. Thanks for posting

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niginigi

Philippines Philippines
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Posts: 37

Whenever I'm flying I feel afraid everytime there's a lightning strikes... thinking how about if it will strike the plane but never asked myself if what will happen to the plane when it does. Now i know. Glad i read this thread. :-)

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adventdelmore

United States United States
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Posts: 16

The picture you have shown, are theyclicked by you? I mean to say, that it’s a wonderful work. Thereare 1 out of 100 planes that get stuck with lightening & planesare designed to tackle such kind of incidents. Outer skin of mostairplanes is primarily aluminum, which is a very good conductor ofelectricity. The principal behind this is, when lightning hits theaeroplane, aluminum allows the current to flow through the skin fromthe point of impact to some other point without interruption ordiversion to the interior of the aircraft.

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adie2356

Netherlands Netherlands
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Posts: 27

The problem is not about falling apart but in all the electronic devices in the cockpit in the airplane as pretty often the damages appearing exactly there.


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PamelaWalker

Canada Canada
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Posts: 44


Really a worth post to read. I was not aware about it at all. The thought of imagine this kind of event just scared me.


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Jasmine13

United Kingdom United Kingdom
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Posts: 18

I have only once travelled with a plane when there was a storm, but luckily there was nothing dangerous and we landed safely. The truth is that I was pretty much scared all the time and felt secure just after I left the plane, no matter how well planes are designed and protected and how much information we have about our safety, it is absolutely normal to feel scared in such a situation.


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dhowcruise

United Arab Emirates United Arab Emirates
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Posts: 19

i have travelled so many time throught the plan and i have enjoyed business class just one time while moving to UAE, in Emirates airline. i like the staff and crew behavior with the passengers. i love them. and the beginning of my journey was awesome so my whole trip was great. and when i get a ride from yacht charters Dubai that's was an awesome moments.


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