Engineers to meet launch deadlines and overlook many

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engineers to meet launch deadlines and overlook many of the shortcomings of the shuttle The governmental pressure to frequently fly the shuttle has consistently been cited as a major factor in the explosion
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Space Shuttle Challenger The case of the explosion was a faulty O-ring seal in the joint of the solid rocket booster Boosters were manufactured by Morton Thiokol inc. Initial tests of the O-rings showed a tendency to burn through, which they reported to NASA Despite concerns by some in NASA, they did not address this problem with higher ups or MTI
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Space Shuttle Challenger O-ring failure became defined as an “acceptable risk” Although a launch constraint was placed on all future launches until the problem could be solved it continued to be waived on each flight until the explosion In 1985, budget concerns limited the possible options to fix the problem While a solution was being developed, the shuttle continued to fly
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Space Shuttle Challenger Without any solution, MTI asked NASA to consider the problem closed Five days before the explosion Fixing the problem would cause a long delay with the program Jeopardize MTI’s contract with NASA NASA could not afford a delay due to government pressure
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Space Shuttle Challenger On the day of launch temperatures were very low which would compromise the O-rings MTI objected to launching, but NASA pressured them into agreement O-rings finally failed during launch External regulation was largely absent and internal regulation was inadequate Compartmentalization contributed to only some people knowing about O-ring
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ValuJet flight 592
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ValuJet Flight 592 ValuJet started in 1992 as a small niche, “no frills” airline offering exceptionally low-price fares Went from 2 to 50 planes in a couple of years Was only in business 4 years before the crash To keep prices low Used non-union labor Paid pilots less than half of the industry average salary Had pilots pay for their own training Outsourced maintenance
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ValuJet Flight 592 Their fleet consisted of many older planes At the time of the crash, average age was 26.4 Miami firm SabreTech was contracted to maintain several plans Including replacing oxygen tanks Based on contract, ValuJet would be credited $2,500 by SabreTech for every day past the deadline it took them to perform the maintenance The old tanks were not stored properly, but through a series of decisions, allowed to be packed and placed on flight 592
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ValuJet Flight 592 Flight 592 crashed within ten minutes after takeoff after being engulfed in flames Crashed in the Everglades, 17 miles from Miami International Airport ValuJet was ultimately responsible
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