What is United Airlines Flight 232?
{{Infobox aircraft occurrence | name = United Airlines Flight 232 | image = UA232precrash.gif | alt = | caption = The airplane moments before the crash | occurrence_type = Accident | date = {{start date|1989|07|19}} | summary = [[Turbine engine failure#Contained and uncontained failures|Uncontained engine failure]] due to faulty titanium alloy, leading to loss of hydraulics and flight controls | site = [[Sioux Gateway Airport]]<br/>[[Sioux City, Iowa]], United States | coordinates = {{coord|42|24|29|N|96|23|02|W|type:event_region:US:IA|display=inline,title}} | aircraft_type = [[McDonnell Douglas DC-10|McDonnell Douglas DC-10-10]] | aircraft_name = | operator = [[United Airlines]] | IATA = UA232 | ICAO = UAL232 | callsign = UNITED 232 HEAVY | tail_number = N1819U | origin = [[Stapleton International Airport]], [[Denver]], [[Colorado]] | stopover = [[O'Hare International Airport]], [[Chicago]], [[Illinois]] | stopover0 = | last_stopover = | destination = [[Philadelphia International Airport]], [[Philadelphia]], [[Pennsylvania]] | occupants = 296 | passengers = 285 | crew = 11 | fatalities = 112 | injuries = 172 | missing = | survivors = 184 }} '''United Airlines Flight 232''' was a scheduled flight from [[Stapleton International Airport]] in [[Denver|Denver, Colorado]], to [[O'Hare International Airport]] in [[Chicago]]. On July 19, 1989, the [[McDonnell Douglas DC-10|DC-10]] ([[Aircraft registration|registered]] N1819U) operating the route crash-landed in [[Sioux City, Iowa]], after suffering a big failure in its tail-mounted [[jet engine|engine]], leading to the loss of all [[Flight control system|flight controls]]. Of the 296 people on board, 112 died in the accident while 184 survived. At 14:09 Central Daylight Time (CDT), Flight 232 departed Denver with 285 passengers and 11 crewmembers on board. About 1 hour and 7 minutes after takeoff (at approximately 15:16 CDT) the flight crew heard a loud bang followed by vibration and shuddering of the airframe. While the DC-10 was in cruise at 37,000 feet, the fa