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ASN Wikibase Occurrence # 21498
Last updated: 7 December 2021
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Type:Silhouette image of generic well model; specific model in this crash may look slightly different
Vickers Wellington Mk Ic
Owner/operator:149 Squadron Royal Air Force (149 Sqn RAF)
Registration: L7800
Fatalities:Fatalities: 6 / Occupants: 6
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:North Sea, off Belgian Coast -   Belgium
Phase: En route
Departure airport:RAF Mildenhall, Suffolk
Destination airport:RAF Mildenhall, Suffolk
Vickers Wellington Mk.1c L7800 (OJ-K) 149 Squadron, RAF: Written off (destroyed) when lost (Failed To Return) from combat operations on the night of 10-11 June 1940. All six crew missing, presumed killed. According to the official Air Ministry file into the incident (File AIR 81/842): "Wellington L7800 failed to return from air operations, 11 June 1940. Sergeant G B Fleming, Sergeant M Murphy, Sergeant R Donaldson, Pilot Officer J R Swift, Pilot Officer M B Dawson and Flying Officer J S Douglas-Cooper: missing presumed dead"

Airborne from Mildenhall on the evening of June 10 1940. Target: Soissons. Last heard of calling for a fix which was plotted off the Belgian coast. Presumed crashed into the North Sea, off the Belgian coast, with the loss of all six crew.

Flying Officer John Stainforth Douglas-Cooper, RAF 37964, age 31, posted 11/06/1940, as missing, presumed killed
Pilot Officer Michael Benedict Dawson, RAF 42205, posted 11/06/1940, as missing, presumed killed
Sergeant Geoffrey Bernard Fleming, RAF 581173, age 24, posted 11/06/1940, as missing, presumed killed
Sergeant Robert Donaldson, RAF 542626, posted 11/06/1940, as missing, presumed killed.
Sergeant Michael Murphy, RAF 624178, age 23, posted 11/06/1940, as missing, presumed killed
Pilot Officer John Rupert Swift, RAFVR 77213, posted 11/06/1940, as missing, presumed killed

As all six crew were never found, they are commemorated on the Runnymede Memorial


1. Royal Air Force Aircraft L1000-L9999 (James J Halley, Air Britain, 1978)
2. National Archives (PRO Kew) File AIR 81/842:

Revision history:

27-Jun-2008 04:26 JINX Added
09-Jan-2012 07:32 Nepa Updated [Operator, Location, Country, Departure airport, Source, Narrative]
09-Mar-2013 18:38 Dr. John Smith Updated [Location, Departure airport, Destination airport, Source, Narrative]
13-Jun-2013 11:58 Nepa Updated [Operator, Narrative]
21-Aug-2013 09:14 JINX Updated [Aircraft type, Operator, Location, Departure airport, Destination airport, Source]
27-Apr-2015 18:55 ABBA Updated [Aircraft type, Operator]
20-Sep-2019 16:55 Dr. John Smith Updated [Time, Aircraft type, Cn, Departure airport, Destination airport, Source, Narrative]

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