United Airlines Flight 232

United Airlines Flight 232 was a DC-10, registered as N1819U, that crash-landed at Sioux City, Iowa in July 19, 1989 after suffering catastrophic failure of its tail-mounted engine, which led to the loss of all flight controls. The flight was en route from Stapleton International Airport in Denver, Colorado to O'Hare International Airport in Chicago. Of the 296 passengers and crew on board, 111 died in the accident and 185 survived in total. Despite the deaths, the accident is considered a prime example of successful crew resource management due to the large number of survivors and the manner in which the flight crew handled the emergency and landed the airplane without conventional control.Aircraft and crewThe accident airplane, a McDonnell Douglas DC-10-10 (registration N1819U), was delivered in 1973 and had been owned by UAL since then. Before departure on the flight from Denver on July 19, 1989, the airplane had been operated for a total of 43,401 hours and 16,997 cycles. The airplane was powered by General Electric Aircraft Engines (GEAE) CF6-6D high bypass ratio turbofan engines.Captain Alfred C. Haynes, 57, was hired by United Airlines in 1956. He had 30,000 hours of total flight time with United Airlines, of which 7,000 were in the DC-10.First Officer William R. Records, 48, was hired by National Airlines in 1969. He subsequently worked for Pan American World Airways. He estimated that he had approximately 20,000 hours of total flight time. He had 665 hours as a DC-10 first officer.