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re: nevermind
Posted on 9/21/14 at 11:53 am to 777Tiger
Posted on 9/21/14 at 11:53 am to 777Tiger
Not trying to get in a pissing match but but not the same thing.
Blade didnt fail. Fan disc failed. Big difference
We are talking about United 232, the Sioux City,Iowa crash, correct?
The uncontained manner in which the engine failed resulted in high-speed shrapnel being hurled from the engine; this shrapnel penetrated the hydraulic lines of all three independent hydraulic systems on board the aircraft, which rapidly lost their hydraulic fluid. As the flight controls on the DC-10 are hydraulically powered, the flight crew lost their ability to operate nearly all of them. Despite these losses, the crew were able to attain and then maintain limited control by using the only systems still workable: the two remaining engines. By utilizing each engine independently, the crew made rough steering adjustments, and by using the engines together they were able to roughly adjust altitude. The crew guided the crippled jet to Sioux Gateway Airport and lined it up for landing on one of the runways. Without the use of flaps and slats, they were unable to slow down for landing, and were forced to attempt landing at a very high airspeed. The aircraft also landed at an extremely high rate of descent due to the inability to flare (reduce the rate of descent prior to touch down by increasing pitch). As a result, upon touchdown the aircraft broke apart, rolled over and caught fire. The largest section came to rest in a cornfield next to the runway. Despite the ferocity of the accident, 185 (62.5%) passengers and crew survived due to multiple factors including the relatively controlled manner of the crash and the early notification of emergency services.[1]
The cause of the engine failure was traced back to a manufacturing defect in the fan disk, which had microscopic cracks due to impurities. The cracking was present during maintenance inspections and should have been detected by maintenance personnel, revealing shortcomings in the maintenance processes.
Blade didnt fail. Fan disc failed. Big difference
We are talking about United 232, the Sioux City,Iowa crash, correct?
The uncontained manner in which the engine failed resulted in high-speed shrapnel being hurled from the engine; this shrapnel penetrated the hydraulic lines of all three independent hydraulic systems on board the aircraft, which rapidly lost their hydraulic fluid. As the flight controls on the DC-10 are hydraulically powered, the flight crew lost their ability to operate nearly all of them. Despite these losses, the crew were able to attain and then maintain limited control by using the only systems still workable: the two remaining engines. By utilizing each engine independently, the crew made rough steering adjustments, and by using the engines together they were able to roughly adjust altitude. The crew guided the crippled jet to Sioux Gateway Airport and lined it up for landing on one of the runways. Without the use of flaps and slats, they were unable to slow down for landing, and were forced to attempt landing at a very high airspeed. The aircraft also landed at an extremely high rate of descent due to the inability to flare (reduce the rate of descent prior to touch down by increasing pitch). As a result, upon touchdown the aircraft broke apart, rolled over and caught fire. The largest section came to rest in a cornfield next to the runway. Despite the ferocity of the accident, 185 (62.5%) passengers and crew survived due to multiple factors including the relatively controlled manner of the crash and the early notification of emergency services.[1]
The cause of the engine failure was traced back to a manufacturing defect in the fan disk, which had microscopic cracks due to impurities. The cracking was present during maintenance inspections and should have been detected by maintenance personnel, revealing shortcomings in the maintenance processes.
This post was edited on 9/21/14 at 11:54 am
Posted on 9/21/14 at 12:53 pm to AUTimbo
quote:
Not trying to get in a pissing match
me either, but you and I are really starting to whiz over semantics, condition initiated by a relatively benign cause, blade or disc, part of the same component failed, severing the three hydraulic lines, basically rendering the plane uncontrollable, lives were saved by the incredible ad libbing of some pretty good pilots, the plane was in an a death spiral until they started messing with the thrust, easy for me to say but I think if the power were reduced separately instead of simultaneously right before impact, it might have saved a few more, but it's crazy to Monday morning qb something like that, I've seen that scenario replicated in the sim a few times, and even knowing it's coming it's ugly, I salute those guys every time I think about it
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