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ASN Wikibase Occurrence # 204409
Last updated: 15 June 2020
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Type:Bristol Blenheim Mk IV
Owner/operator:21 Squadron Royal Air Force (21 Sqn RAF)
Registration: L8740
C/n / msn: YH-Q
Fatalities:Fatalities: 3 / Occupants: 3
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:near Merton Hall, Merton, Norfolk -   United Kingdom
Phase: Initial climb
Departure airport:RAF Watton, Norfolk
Destination airport:
On 6 April 1940 the Blenheim IV L8740 (YH-Q) of 21 Squadron RAF took off at 04.00 hours from RAF Watton, Norfolk, on an anti submarine patrol but crashed into trees at 04.05 hours close to Merton Hall, five minutes after take off.

Crew (all killed)
Pilot Officer Ian Stapledon (pilot, Service Number 40438, age 20); buried Watton (St. Marys) Churchyard, Watton, Norfolk
Sgt Walter Jonathan Wetton (Observer, Service Number 580533, age 20); buried Hackington Cemetery, Heckington, Lincolnshire
LAC John Brayfield Ball (Wireless Op/Air Gunner Under Training, Service Number 524840); buried Watton (St. Marys) Churchyard, Watton, Norfolk


1. "Royal Air Force Bomber Command Losses of the Second World War, vol 1: Aircraft and Crew lost during 1939-1940", by W R Chorley. ISBN 0-904597-85-7
2. Royal Air Force Aircraft L1000-L9999 (James J Halley, Air Britain, 1978 p 59)
3. National Archives (PRO Kew) File AIR 81/112:

Related books:

Revision history:

14-Jan-2018 17:56 Laurent Rizzotti Added
26-Sep-2018 09:50 Nepa Updated [Operator, Narrative, Operator]
07-Jun-2019 16:26 Dr. John Smith Updated [Cn, Operator, Other fatalities, Location, Departure airport, Source, Narrative]
08-Jun-2019 09:44 stehlik49 Updated [Operator]

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