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Aircraft Bolt Falls From The Sky  
User currently offlinePlainplane From United States of America, joined Mar 2008, 838 posts, RR: 1
Posted (4 years 5 months 1 week 19 hours ago) and read 13088 times:

A bolt from a flying airplane fell off over Central Florida and hit smack-dab into the sunroof of a parked SUV. The FAA is now investigating.

Here is a link to the story (with pictures):
http://www.wftv.com/news/22962964/detail.html

20 replies: All unread, jump to last
 
User currently offlineN6238P From United States of America, joined Jan 2006, 501 posts, RR: 0
Reply 1, posted (4 years 5 months 1 week 19 hours ago) and read 12979 times:

This reminds me of the lucky DC-10 bolt that hit the girl in the head in Drop Dead Gorgeous.


To actively root against anybody is just low, and I hope karma comes back at you with a vengeance
User currently offlinerichierich From United States of America, joined Nov 2000, 4248 posts, RR: 6
Reply 2, posted (4 years 5 months 1 week 18 hours ago) and read 12827 times:

Certainly coming from an aircraft is a possible option, the only other viable option I can think of would be if the bolt was fired from some sort of homemade gun or sling shot.

The latter may seem highly unlikely but - true story - many years ago in my parents van when driving through a tough part of town we heard this extremely loud bang on the side of the vehicle. When my father got out to investigate, he said there was a small but deep dent on the side of the fender and sure enough you could see where a small metallic object had hit the car at high speed. A closer inspection revealed what appeared to be the thread of a good sized bolt (we never did find the item and were not going to spend a lot of time looking for it). My father reckoned some local thug kid may have been picking off traffic with his new sling shot or crossbow and a bolt would be perfect for such a weapon. Obviously this is not a good idea and it crossed my mind what could have happened if it hit the window and not the fender of our van. Not once did we suspect an airplane part though...

Based on where this guy's truck was parked and the fact the bolt has been recovered, it seems more likely it did come from an aircraft. What are the chances this bolt (it is serialized?) can be traced back to a specific aircraft?



None shall pass!!!!
User currently offlineTSS From United States of America, joined Dec 2006, 3068 posts, RR: 5
Reply 3, posted (4 years 5 months 1 week 18 hours ago) and read 12538 times:

Quoting richierich (Reply 2):
Based on where this guy's truck was parked and the fact the bolt has been recovered, it seems more likely it did come from an aircraft. What are the chances this bolt (it is serialized?) can be traced back to a specific aircraft?

From the relatively poor images in the video, the projectile in question looks to be a rather specific part and not a standard bolt at all. Also, the characters "15K" appear to be stamped on the part. I suspect some of our aircraft mechanics might recognize that part and post that "it's a _____ off of a _____", in which case it should be a simple matter to narrow down which aircraft flying over that area at that time uses such a part and is currently missing one.



Able to kill active threads stone dead with a single post!
User currently offlineindio66 From United States of America, joined Mar 2004, 475 posts, RR: 0
Reply 4, posted (4 years 5 months 1 week 18 hours ago) and read 12502 times:

bolts fall out all the time - the world is an imperfect place

Indio


User currently offlinegr8circle From Canada, joined Dec 2005, 3099 posts, RR: 4
Reply 5, posted (4 years 5 months 1 week 17 hours ago) and read 12458 times:

Sorry....couldn't resist this...but is this the ultimate "bolt from the blue...?" 

User currently offlineTZTriStar500 From United States of America, joined Jan 2004, 1452 posts, RR: 9
Reply 6, posted (4 years 5 months 1 week 11 hours ago) and read 11189 times:

I'm skeptical this is an aircraft 'bolt' or part at all as it does not resemble anything common I have seen. Also, any high stress bolts would not have a P/N or identification stamped into the metal like this does as it would cause a stress concentration and ultimate failure under load. The only possibility I can think of if it is aircraft related is that it is some type of alignment tool that was left in and fell out since tools are not meant to be left in place obviously.


35 years of American Trans Air/ATA Airlines, 1973-2008. A great little airline that will not be soon forgotten.
User currently offlineEDICHC From , joined Dec 1969, posts, RR:
Reply 7, posted (4 years 5 months 1 week 11 hours ago) and read 11106 times:

Quoting gr8circle (Reply 5):
Sorry....couldn't resist this...but is this the ultimate "bolt from the blue...?" 

Would that be from a JetBlue a/c then? Virgin Blue don't go anywhere near Florida.  


User currently offlineFly2HMO From , joined Dec 1969, posts, RR:
Reply 8, posted (4 years 5 months 1 week 10 hours ago) and read 10637 times:

Quoting TZTriStar500 (Reply 6):
I'm skeptical this is an aircraft 'bolt' or part at all as it does not resemble anything common I have seen. Also, any high stress bolts would not have a P/N or identification stamped into the metal like this does as it would cause a stress concentration and ultimate failure under load. The only possibility I can think of if it is aircraft related is that it is some type of alignment tool that was left in and fell out since tools are not meant to be left in place obviously.

Agreed. Sounds more like a knee jerk reaction on part of the truck owner, and he sounds suspiciously sensationalist about it.

Quoting richierich (Reply 2):
, the only other viable option I can think of would be if the bolt was fired from some sort of homemade gun or sling shot.

I would not be surprised, I made such things when I was a kid, but I at least was smart enough to not shoot it across a street or into the air.


User currently offlineHercTech From Canada, joined Feb 2005, 61 posts, RR: 0
Reply 9, posted (4 years 5 months 1 week 9 hours ago) and read 10058 times:

I worked for several years as a structures tech and i cant say I have ever seen a fastener that looks like that. Of course i only worked on three different types of aircraft, and if this came from the sky then it probably didnt come from the type of aircraft i worked on.

User currently offlineLtbewr From United States of America, joined Jan 2004, 13086 posts, RR: 12
Reply 10, posted (4 years 5 months 1 week 9 hours ago) and read 9653 times:

Of course the bolt could have come from a small personal aircraft or maybe some DC-3 hauling stuff from the Carribbean, more likely than from a mainline jet.

User currently offlinetdscanuck From Canada, joined Jan 2006, 12709 posts, RR: 80
Reply 11, posted (4 years 5 months 1 week 8 hours ago) and read 9362 times:

Quoting richierich (Reply 2):
What are the chances this bolt (it is serialized?) can be traced back to a specific aircraft?

Bolts aren't generally serialized. That said, aircraft bolts are usually pretty easy to distinguish from run-of-the-mill hardware bolts, so narrowing it down shouldn't be that hard.

This, however, doesn't appear to be a bolt. It does look an awful lot like an overpressure relief poppet.

Tom.


User currently offlineOkie From United States of America, joined Jul 2003, 3010 posts, RR: 3
Reply 12, posted (4 years 5 months 1 week 8 hours ago) and read 9002 times:

Quoting tdscanuck (Reply 11):

This, however, doesn't appear to be a bolt. It does look an awful lot like an overpressure relief poppet.

Definetly not a bolt. the square shank on one end seems usual. How about something from military? Part of a dipstick of some kind?

Okie


User currently offlineLTC8K6 From United States of America, joined Jun 2009, 1209 posts, RR: 0
Reply 13, posted (4 years 5 months 1 week 8 hours ago) and read 8986 times:

15KS is visible on the part.

It doesn't take much impact force to do that to a tempered glass sunroof.


User currently offlineolympic707 From United States of America, joined Dec 2004, 266 posts, RR: 2
Reply 14, posted (4 years 5 months 1 week 8 hours ago) and read 8849 times:

Looks like a part or a valve that belongs to a automatic transmission valve body that has been laying outside in the weather for some time.

My   

Yanni



Fly Olympic - Aviation GREEK STYLE!
User currently offlineLTC8K6 From United States of America, joined Jun 2009, 1209 posts, RR: 0
Reply 15, posted (4 years 5 months 1 week 7 hours ago) and read 8746 times:

You'd think it would not land that way if it fell from the sky...

User currently offlineRoseFlyer From United States of America, joined Feb 2004, 9611 posts, RR: 52
Reply 16, posted (4 years 5 months 1 week 6 hours ago) and read 8094 times:

Parts fall off of airplanes all the time. There are lots of different parts that come off from bolts to tire treads. Losing a part in flight is a reportable incident, so it is recorded, but often it is nto known what happened.


If you have never designed an airplane part before, let the real designers do the work!
User currently offlinePanman From Trinidad and Tobago, joined Aug 1999, 790 posts, RR: 0
Reply 17, posted (4 years 5 months 1 week 3 hours ago) and read 6618 times:

I've worked on Boeing 727/737/747/757/767 and Airbus A300/319/320/321/340/380 as well as a variety of Piper, Cessna, Beech and Socata aircraft and have never seen anything remotely looking like that on any of the aircraft I have worked on. Neither have I used tooling that resembles that. My guess - he's trying it on...

pAnmAn


User currently offlinebzwebner From United States of America, joined May 2009, 19 posts, RR: 0
Reply 18, posted (4 years 5 months 6 days 22 hours ago) and read 5099 times:

It actually looks like one of the bolts that holds the cowling of a Cessna 172 together, those things are loose / falling out all the time.


Ben Zwebner, Ferry Pilot & Flight Instructor
User currently offlinePanman From Trinidad and Tobago, joined Aug 1999, 790 posts, RR: 0
Reply 19, posted (4 years 5 months 6 days 21 hours ago) and read 4342 times:

Not on the ones I have worked on.

Panman

[Edited 2010-03-27 06:29:39]

User currently offlinemaxpower1954 From United States of America, joined Sep 2008, 1090 posts, RR: 7
Reply 20, posted (4 years 5 months 6 days 20 hours ago) and read 4084 times:

Something seems off about the physics of this - as small as that "bolt" I wouldn't think it reach enough velocity to create that kind of damge.

Plus, it doesn't resemble any part I've ever seen on an airplane in 38 years of flying from Cessnas to Airbuses.


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