Date:	Sunday 7 January 1940
Time:	14:30
Type:	Lockheed Hudson Mk I
Owner/operator:	233 Sqn RAF
Registration:	N7256
MSN:	ZS-L
Fatalities:	Fatalities: 5 / Occupants: 5
Aircraft damage:	Destroyed
Location:	Mynydd Maendy, near Nant-y-Moel, Ogmore, Glamorgan, Wales -   United Kingdom
Phase:	En route
Nature:	Test
Departure airport:	RAF St Athan, Glamorgan
Destination airport:	RAF St Athan, Glamorgan

Narrative:
Hudson N7256/L: Took off from RAF St Athan, Glamorgan for Test flight. 07/01/1940
During flight test after installation of ASV (Anti-Surface Vessel) radar, aircraft strayed off course into the cloud covered Mynydd Maendy, near Nant-y-Moel, Glamorgan (at approximate co ordinates 51°34′12″ N, 3°28′12″ W). All five persons on board (RAF crew of three plus two civilian contractors) were killed:
Crew of Hudson N7256:
Sgt (565845) Francis Frederick Bousfield (pilot) RAF: killed,
Sgt (564213) Frank Foster Hallam (pilot) RAF: killed,
LAC (550814) Arthur Wilfred Smith (WOp/AG) RAF : killed,
Robert Kyd Beattie (Civilian Contractor) killed
Peter Ingleby (Civilian Contractor) killed

1. 'Coastal Command Losses of the Second World War, Volume 1 (1939-1941)'
2. http://www.epibreren.com/ww2/raf/233_squadron.html
3. Copy of Air Ministry Form 1180 for Hudson N7256: https://www.pinterest.co.uk/pin/489555421976355870
4. https://www.cwgc.org/find-war-dead/casualty/2699402/bousfield,-francis-frederick/
5. https://www.cwgc.org/find-war-dead/casualty/2409031/hallam,-frank-foster/
6. https://www.cwgc.org/find-war-dead/casualty/2408196/smith,-arthur-wilfred/
7. https://www.cwgc.org/find-war-dead/casualty/75462790/beattie,-robert-kyd/
8. https://www.cwgc.org/find-war-dead/casualty/75462791/ingleby,-peter/
9. http://www.rafcommands.com/archive/06124.php
10. http://www.oldhaltonians.co.uk/pages/rememb/ROH/H.htm
11. Doylerush, E, 2008, Rocks in the Clouds: High Ground Aircraft Crashes in South Wales, p.108.
12. Halley, J J, 1977, Royal Air Force Aircraft N1000 to N9999, p.46.
13. Glamorganshire Police reports for 1939-41. (Glam PRO; DCON/279/7).
14. http://www.ggat.org.uk/timeline/pdf/Military%20Aircraft%20Crash%20Sites%20in%20Southeast%20Wales.pdf
15. https://en.wikipedia.org/wiki/Mynydd_Maendy

Date/time	Contributor	Updates
06-Feb-2017 20:21	ORD	Added
13-Aug-2017 18:23	Anon.	Updated [Narrative]
06-Nov-2017 10:21	Laurent Rizzotti	Updated [Aircraft type, Operator]
27-Apr-2019 21:34	Dr. John Smith	Updated [Time, Operator, Other fatalities, Location, Phase, Nature, Departure airport, Destination airport, Source, Narrative]
28-Apr-2019 09:30	stehlik49	Updated [Operator]