maintenance of any plane is a delicate thing, the personal touches to make some kind of work, whether routine or something that suddenly came out of emergency must be highly professional, and above all must be very aware that not only are working with a machine, they are doing something that brings people are expected at home, at the same time should be noted that the pilots have to let them know what was what was done to the aircraft before delivery and that this work thoroughly verified.
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The next case I'm going to relate took two lives, the pilot, but could be worse, could it be that the plane was on regular route and suddenly crash kills more people still, and all for a serious failure maintenance is the history of flight 9446 U.S. Airways Express (Colgan Air).
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Before getting down to see what is airline Colgan Air, is a large regional airline he works with three major airlines like Continental regional service (we already talked about in another accident prior), United and U.S. Airways, these regional of which I speak are Continental Connection, United Express and before us is U.S. Airways Express.
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currently has nearly 60 Saab 340B aircraft types and Bombardier Q400 aircraft for regional flights, the fleet is managed today, but in the past worked with other regional aircraft as also of the type Beechcraft.
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Well, we remedied this situation see the facts, we are in 2003, 26 of August to be more precise, we are in the cernano Barnstable Municipal Airport in Hyannis, in Massachusetts, USA., In its tracks is preparing a small unit of 19 beds, is a twin-engine turboprop Beechcraft 1900D U.S. Airways Express operated by Colgan Air, the flight will not carry passengers, a flight repositioning calls should go to another airport to receive passengers and make their scheduled flight, but as any flight even without passengers must have a number to be identified on radar.
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So this flight without passengers will be 9446, should be directed to the Albany International Airport in Albany, New York., Registration was N240CJ and lead to pilots Captain Scott Knabe and First Officer Steven Dea.
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Both are pre-launch list to make sure everything is fine and once found it gives them permission to take off, it was mid-afternoon, the device off and at first everything looked good and then, upon reaching the device almost 1000 feet (just over 300 meters) elevation nightmare began, the pilots lost control of the plane.
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The unit went to the Atlantic Ocean out of control, witnesses said the device was seen bobbing up and down as if the pilots were on a roller coaster, the captain Knabe said he could not control the elevator and they had to return immediately after it turned left but did so in very tight angle and with the bow raised high, after that the device fell into the sea coming from the nose.
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The operators of the airport control tower remained static Barnstable, had seen the death of two men, someone finally pressed the emergency button and called the maritime rescue services to warn that a plane had fallen into the sea, rescue vessels were present and its operators confirmed that both pilots had died.
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now had to see how these two experienced pilots suddenly lost control of a small plane, touched it to the National Transportation Safety Board (NTSB or the National Bureau of Transport and Safety) and find the wreckage of the plane were found Flight data recorders and cockpit voice, both are examined for their secrets are revealed, while another group of experts discussed the wreckage recovered from the sea and found something unexpected.
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In the tail section saw something that literally everything they said was the system of the elevator cables were found with some surprise, was mounted upside down, how was this possible?.
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The elevator or lift (see picture) is the one that controls both the rise and fall of the bow, the pitch of the aircraft depends on this system which is in line, particularly in the horizontal stabilizer tail when you push the remote forward fins are down and the plane pitch down and when the handle is pulled the pilot the fins move up and the plane's nose up and working.
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then find out that before the flight the aircraft had undergone maintenance employees of Colgan Air, they examined him and determined the need to change the elevator cables, the work is done and, presumably, it is given by well, that gave the device to the drivers on 26 August.
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also be found with something outrageous, workers do not mention the captain's report Knabe delivery of the plane that had changed the system of the elevator cables, therefore the captain never knew when you Knabe routine movement from cabin controls the system operated in reverse of how it should be, there may be sin committed, but to feel the usual rudder movements in their commanders judged that everything was in order, and from the outside if there was someone who saw him move those fins rudder must believe that all was well.
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Then we have a group of employees of Colgan Air sentenced to death two men doing a job that did not mention anything in their reports for the drivers and also not confirmed that this work was done as it should be, the drivers receive the report without finding anything outside of what was considered routine, start the plane, rise ... and perish.
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The NTSB deplored the fact that Colgan's maintenance workers not only have done wrong that work, but also the fact that they worked without reporting anything to the pilots on larger jobs that involve some risk and also has not been verified that, indeed, the apparatus has been able to take flight, this of course led to a penalty that Colgan Air had to assert that such incidents never happen.
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And so two men that they would not do his job died because of other men who did a bad job.
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Sources:
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Wikipedia, The Free Encyclopedia English version.
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Aviation Safety Network.
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the NTSB report.
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Pictures:
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Beechcraft 1900D U.S. Airways Express (Colgan Air) enrollment in spectacular takeover N240CJ stricken with a large Delta plane behind him, taken from www.airliners.net
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Illustration of how an elevator, taken from www.manualvuelo.com
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