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-   -   Lightning strikes (https://www.pprune.org/tech-log/240324-lightning-strikes.html)

anartificialhorizon 23rd August 2006 06:42

fireflybob's query....

I seem to recall a USAF Lockheed C-141 crashed on approach to Mildenhall,Suffolk UK after being struck by lightning................That's a big airlifter to be bought down by a bolt of lightning.

Don't know if the lightning strike resulted in a complete electrical failure which subsequently caused the crash......Anyone?

evansb 23rd August 2006 07:53

sec 3
 
I can't speculate on the cause of PULKOVO TU-154 crash
at this time.
The Pan Am 707 was WX radar equipped and in a holding pattern with 5 other aircraft when it was struck by lightning. The old Maritime Central DC-4, CF-MCF, did not have WX radar, sadly. Photo of sister ship
CF-MCB taken one month before crash. Link:

http://us.!!!!!!!!!!!!!!/photos/photos/2/3/8/0009832.jpg

Photo of a PULKOVO TU-154:

http://www.auctiontransportation.com...00122448_1.JPG

evansb 23rd August 2006 08:46

fireflybob
 
Further to lightning strikes, checkout the link to the Atmospheric Science hall display at the University of Albany, NY. Note the 3 cm hole in the wing tip made by the lightning bolt.

www.deas.albany.edu/deas/bvonn/707wingt.html

Sister ship N710PA photo taken at New York Int'l (pre JFK) early 1960s:

http://members.tripod.com/~psa188/photos/ia9547.JPG

Dave Gittins 23rd August 2006 12:54

Crash after Lightning Strikes
 
The two occasions I can certainly recall lightning being a direct cause of a crash were a glider at Dunstable Downs and a Puma in the North Sea. Both were as a result of lightning striking and destroying composite materials and both a re well reported on the AAIB site.

MrNosy 23rd August 2006 13:01

From memory you can add the Iranian Air Force 747 which crashed on approach to Madrid and a Peruvian L188 Electra to the list of aircraft lost following an explosion in the ullage following a lightning strike and I'm sure there must be others. I also seem to remember a Brasilia or some other similar comuter type being lost in Belgium (?) after it lost its electrics following a lightning strike. However, I think it is purely speculation that a lightning strike has had anything to do with this accident. The reports of severe turbulence might be a more interesting area for speculation.

error_401 23rd August 2006 21:08

search the NTSB site in the accident synopsis & database for the string "lightning strike". Shows 14 occurrences.

rhovsquared 23rd August 2006 23:09

media's:hmm: repoted lightning strike just took down a Russian airliner,
but Obviously, I don't believe it, but that what they reported :*

IFixPlanes 24th August 2006 19:09


Originally Posted by error_401
search the NTSB site in the accident synopsis & database for the string "lightning strike". Shows 14 occurrences.

Within 55 Years !!!

Loose rivets 25th August 2006 04:46

We had a 4" hole punched into the top of a Viscount wing, it went round the fuel and out of a hole that was in line with the top hole.

I saw the bolt come out of the top of a CB a mile or so above us, and zig-zag down. The bang was almost unblievable.

Doors to Automatic 25th August 2006 13:24

Does anyone know if aircraft can withstand a positive-charge lightning strike?

(this is much rarer than most lightning which is negative-charge but around 10 times stronger).

CaptainProp 25th August 2006 14:06

Have been hit in a prop blade on a B1900..exit point on the left winglet..The whole winglet was torn up but no systems affected..
/CP

safetypee 25th August 2006 15:04


Originally Posted by Doors to Automatic
Does anyone know if aircraft can withstand a positive-charge lightning strike?
(this is much rarer than most lightning which is negative-charge but around 10 times stronger).

Not sure if this is the same issue, but my aircraft suffered an ‘inadvertent’ air to ground strike, i.e. we flew through an air to ground strike, as opposed to 'creating' the normal air to aircraft strike. According to the experts who came to view the aircraft this is a very rare event. The damage was slight, but there were some interesting patterns amongst the 160 or so, burn marks (razorback effect).

Flash2001 25th August 2006 15:34

The strike has to be ground-aircraft-air or air-aircraft-ground or air-aircraft-air. The aircraft cannot be the terminating point of the strike unless, of course, it's on the ground. The laws of physics never sleep!



After an excellent landing you can use the airplane again!


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