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Hows this for a cracked windscreen
do you think Autoglass could fix this!!!!
http://img.photobucket.com/albums/v1...R/20040212.jpg http://img.photobucket.com/albums/v1...creenkul_3.jpg LJ |
What a/c is this???
Any idea what caused the crack?? |
From the location, probably the Captain's head. :E
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Erm...doesn't that first pic show the a/c at a considerable altitude...with every Autoglass repairman's worst nightmare of a screwed windscreen!? That can't be even slightly safe!
V1R :bored: |
Probably caused by one of those frozen chickens... !:p
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I have had a cracked windscreen similar to this on an A320. That was caused by a broken thermostat. The windscreen heat remained on full power. This was okay at altitude and at high speed. However as we slowed down at the outer marker there was a bang and the windscreen shattered in front of me. There are three layers and only one layer had shattered so the windscreen retained it's integrity, but it was still a shock. I continued the approach as I could still see the touchdown point. I was about to hand over control to the F/O but she screamed so I thought it was better for me to retain control!
This particular windscreen looks like a 747. |
Bloody Women Pilots!
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The aircraft is a Boeing 747-200 G-CCMA
The first picture is taken between Jeddah and Kaula Lumpur at 28,000 ft. The second picture is taken back at Kaula Lumpur. It happened on the ground in Jeddah on 11th Feb 2004, apparently a stress fracture in one of the layers of glass. I don't know how cockpit glass is made but I was told there is 4 or 5 layers that are bonded together and it was one of the inner layers that cracked, maybe one of you technical bods can explain how these windows are made. We flew back at a reduced altitude because of this crack. LJ |
It happened on the ground in Jeddah on 11th Feb 2004 Mutt. |
Happened to me too, short final to BRU the Captain's windscreen shattered with a fairly loud bang - neither of us screamed!
My sector - so made sense for me to carry on with approach and landing which was uneventful. Interesting part was taxiing to the stand as the ERJ 145 only has tiller steering on the Captain's side - doh! And yes we departed back to base, empty as allowed for in the MEL, after being inspected by dubious Belgium engineer. Albeit we chose to fly back unpressurised at a low FL. |
Depending on whether you have a 3, 9, or 15 panel window installed you may ferry to a repair facility or in some very limited circumstances (once again depending on how many layers and who made the pane) you may fly for a couple of legs.
One of the procedures for a broken outer layer is to turn on the wipers to clear off the broken glass and continue on to destination. Me, I'd just depressurize, call for front seat drinks, and get on the ground...:} |
Mutt
yep, as i said we flew back to KUL from JED. The flight was full on the way back as well. We were doing the Hajj flights for Malaysian Airlines. I'll dig out some more pictures tomorrow of the windscreen. LJ |
Yeah london jets, and when your flight arrive at KUL the pax been transfer into another flight to carry they journey into JOHAROBARU or something like this, near SINGAPORE, i took over from you and we have a fire on taxi at the flight deck door, do you remember??? nothing serious but we have to go back to stand, once the problem was sorted we left.
and to finish the soap, the plane was loaded with full fuel tanks to go to jeddah, and we have to dump fuel because our flight was only 20 minutes, feel sorry for the pax, but what a great time we had in KUL, IN IT???? |
Some windscreens have no pressurization restrictions when a layer is fractured.
The Lockheed TriStar is one of these. Six layers of polycarbonite, and one layer of tempered glass (on the outside) make for a mighty tough product. |
Got a call from the chief pilot - DC10s one day. He wanted a cracked windscreen off a 10 for demonstration purposes (or as a paperweight for his desk). Dug one up from condemned rotables and trundled it up to his office. Bloody thing weighed over 100 lbs.
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I would have thought that depressurisation was the less desirable to the options....you have 500kts of force on the window trying to blow it inwards...why not keep some pressure on the inside trying to blow it outwards? Surely must put some less stress on the window?
Maybe an engineering type can confirm? |
Oh very grown up BYMONEK.:rolleyes:
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Cracked windshield checklist:
Seatbelt: tight then some for Mum Raybans: On and check Pressurisation: suck instead of blow Vision: not impaired Checklist complete - carry on in a revenue direction :ok: |
Here are some more of the same windscreen.
http://img.photobucket.com/albums/v1...THER/00001.jpg http://img.photobucket.com/albums/v1...THER/00002.jpg http://img.photobucket.com/albums/v1...THER/00003.jpg http://img.photobucket.com/albums/v1...THER/00004.jpg EAF122 yeah I remember the flight out there, just went from bad to worse, I was supposed to go back to JHB but we had to go to KUL instead, the aircraft was delayed for about 12 hours in JED while the crew I was with was put on min rest!! It was "XJ" that took over in KUL that had the 2nd eventful flight in as many days!!! LJ |
the aircraft was delayed for about 12 hours in JED while the crew I was with was put on min rest!! |
Way back in the days of De Havilland Vampire Mk 30 single seater jet fighters, a demo was needed of a specially built short bladed knife for use as a canopy breakout tool.
We chose the biggest meanest toughest pilot (Flight Lieutenant) on the squadron to bash his way out. We figured if he could not get out of the cockpit with the knife, then no one could. He was a six footer with a fierce black moustache like Saddam H, and was skilled as a martial arts expert. The best orderly officer on the base - he could empty the Sergeants Mess at last drinks time faster than any hapless junior pilot officer like me. He sat in a Vampire which had a condemned canopy (meaning it did not meet airworthiness scratched glass standards). We focused the cameras and when he was ready with gloves on and bone dome and dark glasses (he was a true fighter jock with a DFC) we gave him the nod to start striking upwards at the canopy with the knife. Before doing so, he opened the canopy and called to the waiting throng of airmen and airwomen surrounding the Vampire, that he would first attempt to karate his way out. You know what I mean - the Bruce Willis stuff of gutteral yells and mincing movements with the black gloved gauntlett. I say "mincing" in the kindest possible way, by the way - if you get my drift. The cameras rolled and the guy smashed the knife edge of his hand against the canopy. "OW" - that fu....ing hurt, he yelled - and we all adjourned for morning tea while he wrung his badly bruised hand in agony. After tea he tried again - this time with the canopy breaker knife. With a series of terrifying bashes from inside the cockpit with the knife, our hero smashed the double sandwhich glass into bits and then hauled his way out of the cockpit. Time from first blow of the knife was 45 seconds to final exit. The Air Force then equipped all Sabre fighters (the Vamps were on their way out to the melters by then) with these canopy breaking knives. Months later, a Sabre had to force land and it caught fire as it ground to a stop wheels up. The electric canopy motor failed leaving the pilot literally in the hot seat with fire getting into the cockpit. He used the canopy breaker knife to bash his way out successfully. Nice to have a happy ending, isn't it? |
GULF4 Windscreen
Howz this for bad!!!!
69 http://photobucket.com/albums/v368/TIAAN/ Hi London Jets, Sorry, my bad...here\'s the pic 69 http://img.photobucket.com/albums/v3...N/PIC_0022.jpg |
GULF69
Not bad, what caused it? It looks very impressive!! LJ |
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