TWA Flight 6963

TWA Flight 6963, a scheduled Transcontinental & Western Air flight from Paris Orly Airport to New York City with scheduled stops at Shannon Airport and Gander, crashed on 28 December 1946 about 1.5 kilometres (0.81 nmi) west-northwest of Shannon Airport on the island of Inishmacnaughton.[1]

TWA Flight 6963
N86502, sister-ship to the accident aircraft in a later livery.
Accident
DateDecember 28, 1946 (1946-12-28)
SummaryCFIT due to an inaccurate altimeter caused by maintenance errors
Site1.5 km (0.93 mi) west-northwest of Shannon Airport
52°42′39.0″N 8°57′22.0″W
Aircraft
Aircraft typeLockheed L-049 Constellation
Aircraft nameCairo Skychief
OperatorTranscontinental & Western Air (TWA)
RegistrationNC86505
Flight originOrly Airport, France
1st stopoverShannon Airport, Ireland
Last stopoverGander Airport, Newfoundland
DestinationLaGuardia Airport, New York City
Occupants23
Passengers14
Crew9
Fatalities9
Survivors14

The flight

The flight was being operated by Lockheed L-049 Constellation NC86505, c/n 2026, named Cairo Skychief. On approach to Shannon airport the aircraft struck the ground on Inishmacnaughton and was destroyed by fire, having broken up on impact.[1] Of the 23 people on board, nine died; four crew members and five passengers,[2] however, a 1947 amendment to the CAB report states that nine passengers died.[3]

This TWA flight was authorised to carry persons, property and mail between the cities of the route.[3] It was reported in The Times that this was a mail carrying flight and that the mails were retrieved but, as of 1997, no covers have been noted.[1]

The accident

Cairo Skychief departed Paris-Orly at 23:16 arriving at Shannon at 02:00 when Shannon control tower cleared the aircraft for approach to runway 14. At 02:06 the crew reported being over the range station at 1,200 ft (370 m). Shannon Tower advised the crew that Shannon was reporting 10/10 cloud cover at 400 ft (120 m), 4/10 at 250 ft (76 m), visibility 1 mi (1.6 km), wind 120 degrees, 5 kn (9.3 km/h; 5.8 mph). During the left turn onto final, the aircraft passed behind a low hill blocking the airport lights from the pilot's vision, the aircraft lost altitude and the port wing-tip struck the ground; the aircraft crashed and caught fire.[2]

Captain Herbert W. Tansey and First Officer Clifford V. Sparrow were seriously injured, but were among the survivors.[3][4] The Irish Department of Industry and Commerce, the U.S. Civil Aeronautics Administration, and the TWA Regional Accident Board started an investigation into the crash.[4] Investigators arrived in Shannon on 31 December for the local phase and later phases took place in London, New York, and Wilmington, with a public hearing on 30 and 31 January 1947, in New York City.[3]

Causes

Contributory causes were determined to have been the incorrect assembly of the instruments static pipelines and the poor weather conditions.[2]

References

  1. Vogt, Ronny (1997). Irish Crash Airmails. Bray: Irish Airmail Society. p. 55.
  2. "Accident record". aviation-safety.net. Retrieved 7 October 2014.
  3. Civil Aeronautics Board (21 April 1947). "Transcontinental & Western Air-Shannon, Eire, December 28, 1946". Accident Investigation Report. Civil Aeronautics Board. Retrieved 7 October 2014.
  4. "The Shannon Crash". Flight: 33. 9 January 1947. Archived from the original on 15 November 2020. Retrieved 7 October 2014.

Further reading

  • O'Toole, Michael (1 June 2006). Cleared for Disaster: Ireland's Most Horrific Air Crashes. Cork: Mercier Press. ISBN 978-1856355100.
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