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Last updated: 20 September 2018
Datum:zondag 1 augustus 1948
Tijd:ca 01:30 UTC
Type:Latécoère 631
Luchtvaartmaatschappij:Air France
Registratie: F-BDRC
Constructienummer: 6
Bouwjaar: 1947-11-09 (9 months)
Aantal vlieguren:35
Motoren: 6 Wright R-2600-A5B Cyclone
Bemanning:slachtoffers: 12 / inzittenden: 12
Passagiers:slachtoffers: 40 / inzittenden: 40
Totaal:slachtoffers: 52 / inzittenden: 52
Schade: Vermist
Gevolgen: Presumed damaged beyond repair
Plaats:c 1900 km W off Dakar, Senegal (   Atlantische Oceaan)
Fase: Kruisvlucht (ENR)
Soort vlucht:Internationale lijnvlucht
Vliegveld van vertrek:Fort de France Hydrobase, Martinique
Vliegveld van aankomst:Port-Étienne Airport (NDB/GQPP), Mauritanië
The Latécoère 631 flying boat, named "Lionel de Marnier", operated on a round trip service from Biscarrosse, France to Fort de France, Martinique, with a refueling stop at Port-Etienne, Mauritania.
At 15:05 the aircraft took off on the first leg of the return flight. The cruising altitude was 3000 meters in instrument weather conditions. Planned flying time from Fort de France to Port-Étienne was 16 hours and 15 minutes.
Hourly position reports were made until 00:11 UTC when it reported passing 1927N, 3825W. No contact was established with the flight and the aircraft failed to arrive.
A search mission was commenced using a submarine, three ships, a Lockheed Constellation, a Latécoère 631, three B-17's and seven B-29's. On August 6 a U.S. Coast Guard cutter, USCGC Campbell, reported finding two aircraft seats at 18°17N, 17°00W. The Campell and another ship collected several other smaller pieces of debris before the search was called off on August 8.

The aircraft crashed into the Atlantic Ocean some 1900 km west off Dakar, Senegal.

Probable Cause:

Conclusions: "The members of the committee are unanimous in attributing the accident to a serious and sudden event whose origin could not be verified with certainty."

» Air-Britain Casualty Compendium Part 47
» La courte vie du F-BDRC / P.Parpaite


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Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Fort de France Hydrobase en Port-Étienne Airport bedraagt 4675 km (2922 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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Latécoère 631

  • 10 built
  • 3e ongeval
  • 2e dodelijk ongeval
  • The zwaarste ongeval
» safety profile

 Atlantische Oceaan
  • The zwaarste ongeval (toen het plaatsvond)
  • 10e zwaarste ongeval (op dit moment)
» safety profile