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- TWA_Flight_514 abstract "TWA Flight 514, registration N54328, was a Boeing 727-231 en route from Indianapolis, Indiana, and Columbus, Ohio, to Washington Dulles International that crashed into Mount Weather, Virginia, on December 1, 1974. All 85 passengers and 7 crew members were killed.The flight was originally destined for Washington National Airport. However, the plane diverted to Dulles when high crosswinds, east at 28 knots (52 km/h) and gusting to 49 knots (91 km/h), prevented safe operations on the main north-south runway at Washington National. The flight was being vectored for a non-precision instrument approach to runway 12 at Dulles. Air traffic controllers cleared the flight down to 7,000 feet (2,100 m) before clearing them for the approach while not on a published segment.The jetliner began a descent to 1,800 feet (550 m) shown on the first checkpoint for the published approach. The data recorder indicated there was some confusion in the cockpit over whether they were still under a radar controlled approach segment which would allow them to descend safely. After reaching 1,800 feet (550 m) there were some 100-to-200-foot (30 to 60 m) altitude deviations which the flight crew discussed as encountering heavy downdrafts and reduced visibility in snow. The plane impacted the west slope of Mount Weather at 1,670 feet (509 m) above sea level at approximately 230 knots (430 km/h; 260 mph). The wreckage was contained within an area about 900 feet (270 m) long and 200 feet (61 m) wide. The evidence of first impact was trees whose tops were cut off about 70 feet (21 m) feet above the ground. The elevation at the base of the trees was 1,650 feet (500 m). The wreckage path was oriented along a line 118 degrees magnetic. Calculations indicated that the left wing went down about 6 degrees as the aircraft passed through the trees and the aircraft was descending at an angle of about 1 degree. After about 500 feet (150 m) of travel through the trees, the aircraft struck a rock outcropping at an elevation of about 1,675 feet (511 m). Numerous heavy components of the aircraft were thrown forward of the outcropping. Numerous intense post-impact fires were located, and extinguished.The mountain's summit is at 1,754 feet (535 m).The accident investigation board was split in its decision as to whether the flight crew or Air Traffic Control were responsible. The majority absolved the controllers as the plane was not on a published approach segment. The dissenting opinion was that the flight had been radar vectored. Terminology between pilots and controllers differed without either group being aware of the discrepancy. It was common practice at the time for controllers to release a flight to its own navigation with "Cleared for the approach," and flight crews commonly believed that was also authorization to descend to the altitude at which the final segment of the approach began. No clear indication had been given by controllers to Flight 514 that they were no longer on a radar vector segment and therefore responsible for their own navigation. Procedures were clarified after this accident. Controllers now state, "Maintain (specified altitude) until established on a portion of the approach," and pilots now understand that previously assigned altitudes prevail until an altitude change is authorized on the published approach segment the aircraft is currently flying. Ground proximity detection equipment was also mandated for the airlines.During the NTSB investigation, it was discovered that a United Airlines flight had very narrowly escaped the same fate during the same approach and at the same location only six weeks prior.The flight is also of note in that the accident drew undesired attention to the Mount Weather facility, which was the linchpin of plans implemented by the United States to ensure continuity of government in the event of a nuclear war. The crash did not damage the facility, since most of its features were underground. Only the facility's underground main phone line was severed, with service to the complex being restored by C&P Telephone within 2½ hours after the crash.The crash, its aftermath, and its repercussions are the subject of the 1977 book Sound of Impact: The Legacy of TWA Flight 514 by Adam Shaw. TWA Flight 514 is also mentioned in the closing of the second chapter of Mark Oliver Everett's book Things the Grandchildren Should Know and in F. Lee Bailey's book Cleared for Approach: In Defense of Flying.This was one of two Boeing 727s to crash in the United States that day; the other was Northwest Airlines Flight 6231.U.S. Congressman Andy Jacobs was almost on the flight, but elected not to pay the $20 seat upgrade charge and decided to take another flight back to Washington. One of his staff was killed on the flight.".
- TWA_Flight_514 thumbnail TWA_Boeing_727-200_Silagi-1.jpg?width=300.
- TWA_Flight_514 wikiPageExternalLink AAR75-16.pdf.
- TWA_Flight_514 wikiPageExternalLink 0,9171,156041,00.html?iid=chix-sphere.
- TWA_Flight_514 wikiPageID "3374992".
- TWA_Flight_514 wikiPageLength "7882".
- TWA_Flight_514 wikiPageOutDegree "43".
- TWA_Flight_514 wikiPageRevisionID "672767192".
- TWA_Flight_514 wikiPageWikiLink Air_traffic_controller.
- TWA_Flight_514 wikiPageWikiLink Andrew_Jacobs,_Jr..
- TWA_Flight_514 wikiPageWikiLink Boeing_727.
- TWA_Flight_514 wikiPageWikiLink Boeing_727-231.
- TWA_Flight_514 wikiPageWikiLink C&P_Telephone.
- TWA_Flight_514 wikiPageWikiLink Category:1974_in_Virginia.
- TWA_Flight_514 wikiPageWikiLink Category:Accidents_and_incidents_involving_the_Boeing_727.
- TWA_Flight_514 wikiPageWikiLink Category:Airliner_accidents_and_incidents_in_Virginia.
- TWA_Flight_514 wikiPageWikiLink Category:Airliner_accidents_and_incidents_involving_controlled_flight_into_terrain.
- TWA_Flight_514 wikiPageWikiLink Category:Aviation_accidents_and_incidents_in_1974.
- TWA_Flight_514 wikiPageWikiLink Category:Clarke_County,_Virginia.
- TWA_Flight_514 wikiPageWikiLink Category:Trans_World_Airlines_accidents_and_incidents.
- TWA_Flight_514 wikiPageWikiLink Clarke_County,_Virginia.
- TWA_Flight_514 wikiPageWikiLink Cleared_for_Approach:_In_Defense_of_Flying.
- TWA_Flight_514 wikiPageWikiLink Columbus,_Ohio.
- TWA_Flight_514 wikiPageWikiLink Continuity_of_government.
- TWA_Flight_514 wikiPageWikiLink Controlled_flight_into_terrain.
- TWA_Flight_514 wikiPageWikiLink Crosswind.
- TWA_Flight_514 wikiPageWikiLink F._Lee_Bailey.
- TWA_Flight_514 wikiPageWikiLink GPWS.
- TWA_Flight_514 wikiPageWikiLink Ground_proximity_warning_system.
- TWA_Flight_514 wikiPageWikiLink Height_above_mean_sea_level.
- TWA_Flight_514 wikiPageWikiLink Human_error.
- TWA_Flight_514 wikiPageWikiLink Indiana.
- TWA_Flight_514 wikiPageWikiLink Indianapolis.
- TWA_Flight_514 wikiPageWikiLink Instrument_flight_rules.
- TWA_Flight_514 wikiPageWikiLink Mark_Oliver_Everett.
- TWA_Flight_514 wikiPageWikiLink Metres_above_sea_level.
- TWA_Flight_514 wikiPageWikiLink Mount_Weather_Emergency_Operations_Center.
- TWA_Flight_514 wikiPageWikiLink Northwest_Airlines_Flight_6231.
- TWA_Flight_514 wikiPageWikiLink Nuclear_warfare.
- TWA_Flight_514 wikiPageWikiLink Ohio.
- TWA_Flight_514 wikiPageWikiLink Radar_vector.
- TWA_Flight_514 wikiPageWikiLink Ronald_Reagan_Washington_National_Airport.
- TWA_Flight_514 wikiPageWikiLink Runway.
- TWA_Flight_514 wikiPageWikiLink TWA.
- TWA_Flight_514 wikiPageWikiLink Things_the_Grandchildren_Should_Know.
- TWA_Flight_514 wikiPageWikiLink Trans_World_Airlines.
- TWA_Flight_514 wikiPageWikiLink United_States.
- TWA_Flight_514 wikiPageWikiLink Virginia.
- TWA_Flight_514 wikiPageWikiLink Washington_Dulles_International_Airport.
- TWA_Flight_514 wikiPageWikiLinkText "Flight 514".
- TWA_Flight_514 wikiPageWikiLinkText "TWA Flight 514".
- TWA_Flight_514 wikiPageWikiLinkText "Trans World Airways Flight 514".
- TWA_Flight_514 aircraftType Boeing_727.
- TWA_Flight_514 aircraftType Boeing_727-231.
- TWA_Flight_514 caption "A Trans World Airlines Boeing 727-200, similar to the one involved".
- TWA_Flight_514 crew "7".
- TWA_Flight_514 date "1974-12-01".
- TWA_Flight_514 date "40162.0".
- TWA_Flight_514 destination Washington_Dulles_International_Airport.
- TWA_Flight_514 destination "diverted from National Airport".
- TWA_Flight_514 fatalities "92".
- TWA_Flight_514 hasPhotoCollection TWA_Flight_514.
- TWA_Flight_514 injuries "0".
- TWA_Flight_514 name "TWA Flight 514".
- TWA_Flight_514 occurrenceType "Accident".
- TWA_Flight_514 operator Trans_World_Airlines.
- TWA_Flight_514 origin Indiana.
- TWA_Flight_514 origin Indianapolis.
- TWA_Flight_514 passengers "85".
- TWA_Flight_514 site Clarke_County,_Virginia.
- TWA_Flight_514 site United_States.
- TWA_Flight_514 site Virginia.
- TWA_Flight_514 site "Mount Weather,".
- TWA_Flight_514 stopover Columbus,_Ohio.
- TWA_Flight_514 survivors "0".
- TWA_Flight_514 tailNumber "N54328".
- TWA_Flight_514 type Controlled_flight_into_terrain.
- TWA_Flight_514 wikiPageUsesTemplate Template:ASN_accident.
- TWA_Flight_514 wikiPageUsesTemplate Template:Aviation_incidents_and_accidents_in_1974.
- TWA_Flight_514 wikiPageUsesTemplate Template:Convert.
- TWA_Flight_514 wikiPageUsesTemplate Template:Infobox_Airliner_accident.
- TWA_Flight_514 wikiPageUsesTemplate Template:Redirect.
- TWA_Flight_514 wikiPageUsesTemplate Template:Reflist.
- TWA_Flight_514 wikiPageUsesTemplate Template:TWA.
- TWA_Flight_514 subject Category:1974_in_Virginia.
- TWA_Flight_514 subject Category:Accidents_and_incidents_involving_the_Boeing_727.
- TWA_Flight_514 subject Category:Airliner_accidents_and_incidents_in_Virginia.
- TWA_Flight_514 subject Category:Airliner_accidents_and_incidents_involving_controlled_flight_into_terrain.
- TWA_Flight_514 subject Category:Aviation_accidents_and_incidents_in_1974.
- TWA_Flight_514 subject Category:Clarke_County,_Virginia.
- TWA_Flight_514 subject Category:Trans_World_Airlines_accidents_and_incidents.
- TWA_Flight_514 hypernym 727.
- TWA_Flight_514 point "39.07666666666667 -77.88166666666666".
- TWA_Flight_514 type Mountain.
- TWA_Flight_514 type Accident.
- TWA_Flight_514 type SpatialThing.
- TWA_Flight_514 comment "TWA Flight 514, registration N54328, was a Boeing 727-231 en route from Indianapolis, Indiana, and Columbus, Ohio, to Washington Dulles International that crashed into Mount Weather, Virginia, on December 1, 1974. All 85 passengers and 7 crew members were killed.The flight was originally destined for Washington National Airport.".
- TWA_Flight_514 label "TWA Flight 514".
- TWA_Flight_514 sameAs Category:TWA_Flight_514.
- TWA_Flight_514 sameAs m.0989h7.