Date:	Friday 10 May 1940
Time:	17:45
Type:	Bristol Blenheim Mk IF
Owner/operator:	604 (County of Middlesex) Sqn RAF
Registration:	L1517
MSN:	NG-N
Fatalities:	Fatalities: 0 / Occupants: 2
Aircraft damage:	Destroyed
Location:	north of Scheveningen Beach, Sand Dunes of Wassenaar, Zuid-Holland -   Netherlands
Phase:	Combat
Nature:	Military
Departure airport:	RAF Northolt, Middlesex
Destination airport:

Narrative:
Blenheim L1517/N: Took off for a Operation over Rotterdam (NL) 10/05/1940".
Mission: Escort for the Blenheims of No. 110 Sqdn to Ockenburg, Netherlands. 12 Blenheims of 110 Sqdn were escorted by 6 Blenheims of 604 Sqdn. Forced-landed on beach at Scheveningen damaged by flak, at 17:30 hrs. Aircraft abandoned North of Scheveningen Beach, in the Sand Dunes at Wassenaar
Crew: missing, later reported as safe and returned to unit
F/O (90951) Ian Kenneth Sefton JOLL(pilot) RAF : Evader
LAC (743068) James Thomas PICKFORD (WOp/AG) RAF : Evader

1. Royal Air Force Aircrft L1000-L9999 (James J .Halley, Air Britain, 1978 p 10
2. National Archives (PRO Kew) File AIR 81/213: https://discovery.nationalarchives.gov.uk/details/r/C14142038
3. Peter D. Cornwell, The Battle of France, Then and Now, 2008
4. https://www.tracesofwar.com/articles/3649/Bombardment-of-Waalhaven-airfield-10-May-1940.htm
5. http://www.rafcommands.com/forum/showthread.php?1473-Blenheim-L1517-604-Sqdn-abandoned-Scheveningen-beach-10-05-1940
6. http://www.epibreren.com/ww2/raf/604_squadron.html
7. https://verliesregister.studiegroepluchtoorlog.nl/rs.php?aircraft=&sglo=T0094&date=&location=&pn=&unit=&name=&cemetry=&airforce=&target=&area=&airfield=
https://aircrewremembered.com/joll-ian-kenneth-sefton-.html

Date/time	Contributor	Updates
04-Feb-2014 14:50	Nepa	Added
08-Jan-2016 17:44	JINX	Updated [Aircraft type, Operator]
09-Jan-2016 09:25	JIXN	Updated [Aircraft type, Operator, Nature, Source]
20-Jan-2016 17:34	JINX	Updated [Aircraft type, Operator]
21-Jan-2016 17:33	Django	Updated [Operator]
26-Sep-2018 09:10	Nepa	Updated [Operator, Operator]
18-Jun-2019 16:30	Dr. John Smith	Updated [Time, Registration, Cn, Operator, Other fatalities, Location, Departure airport, Source, Narrative]
14-Mar-2020 18:09	TigerTimon	Updated [Time, Other fatalities, Location, Source]
13-Jun-2022 21:28	Ron Averes	Updated [Location]
21-May-2023 08:31	Corin	Updated [[Location]]
13-Nov-2023 17:02	Anon.	Updated [Narrative]