Page 4 - Control Problems News Today

When any structural element of an airplane fails, the result can be fatal. a 747 has a cargo door blown out in mid flight. the decompression is so powerful it sucks two rows of seats and nine passengers out of the plane in a split second. >> this was taken from row 17 aisle seat. >> this video shot by bruce lambert two weeks after the fatal accident documents the aftermath of united airlines flight 811. investigators immediately know the problem centers on the cargo door. they can tell from the ...

>> quite a distance from the crash site. so they gnaw it had departed the airplane earlier. now you begin to ask the question -- what could cause a decompression, control problems and loss of a vertical fin. >> reporter: looking at the planes maintenance history investigators learned there was previous damage to the aft pressure bulkhead. thats the structure at the back of a cabin that keeps the cabin pressurized. it was cracked seven years before the crash. with the manes tail accidentally drag...

Flight, theres a problem. >> they were in the middle 20,000 feet, which is where airplanes experience the most pressure on the vessel itself. at that point they received a door warning that a door was ajar which turned out not to be the case. >> weve already seen how an airplanes fuselage expands as the plane goes up and contracts as the plane comes down. the altitude with the greatest pressure differential between the pressurized inside of an aircraft and the unpressurized atmosphere outside is...

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Pressurize the tube and you wouldnt be able to breathe at 35,000 feet without the use of pressurized supplemental oxygen. >> the back of the airplane is getting a considerable amount of stress, not only from the pressurization, but also from the tail and all the stresses of flight. that bulkhead is very, very robust. it is a serious piece of structure. >> at the moment of the decompression, all the pressurized air for the cabin needs somewhere to go. it blasts back the cracked bulkhead, and unbe...

>> we had millions of airplane parts scattered over a mountainside. but the flight data recorder and the cockpit voice recorder, as well as witness statements, all of these different sources of information help investigators put the puzzle together. >> within days, two important clues turn up. a photograph taken by an amateur photographer as the plane passed over his village. it reveals the plane flying with part of its tail section missing. and part of that missing tail section, including the v...

Pressure differential between the pressurized inside of an aircraft and the unpressurized atmosphere outside is right around 24,000 feet. thats where jal-123 experiences an explosive shock. >> a massive decompression for reasons that they didnt know. but the crew did not realize the amount of damage they sustained until very quickly, the airplane became less and less controllable to the point it was no longer controllable at all. that would be a nightmare scenario for a pilot. >> what the pilots...

Msnbc now. im alex whit. varied reaction to the killing of two american citizens tied to al qaeda. ron paul says the attack sets a dangerous precedent. inspectors back at the top of the washington monument this weekend. theyre taking a closer look at the damage caused by an earthquake back in august. but imagine doing that, right? more news later. im alex whit. now back to "why planes crash." when any structural element of an airplane fails, the result can be fatal. a 747 has a cargo door bl...

Unemployment, but the question we should be asking is why isnt it improving and what kind of policies, tax cuts to encourage growth should we be putting in place to improve this situation so we are not facing the same kinds of bill a couple weeks bore months down the road. megyn: let me ask you how this plays out for senator bunning. hes not going for reelection. the media reports on him were -- he was raked over the coles. this -- raked over the coals. from the post, was he being crazy? this po...