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ASN Wikibase Occurrence # 225869
Last updated: 1 December 2021
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Time:10:00 LT
Type:Handley Page Hampden Mk I
Owner/operator:144 Squadron Royal Air Force (144 Sqn RAF)
Registration: L4132
Fatalities:Fatalities: 3 / Occupants: 4
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Sea, Between Helgoland & Wangerooge, Frisian Islands, Lower Saxony -   Germany
Phase: Combat
Departure airport:RAF Hemswell, Lincolnshire
Destination airport:
Airborne 06:40 on mission to bomb German ships moored at Heligoland. Eleven Hampdens were sent in two formations: the first six attacked two destroyers, but missed the target, the second wave of five Hampdens were intercepted by Bf 109s that were now over the target and were waiting and ready. All five Hampdens in the second wave were shot down. Of the 20 crew in five aircraft (four per aircraft) 16 were killed, and 4 were captured and taken as PoWs

L4126 was intercepted & shot down at 10:03 hours by a Bf.109 flown by Uffz. Pollack of 1./ZG26 into sea between German islands of Heligoland & Wangerooge, off the Frisian Islands in Lower Saxony, Germany. Note that the official file on the incident (Air Ministry File AIR 81/84) gives the details as "Hampden L4132 shot down over the North Sea, 29 September 1939" without specifying exactly where

Crew of Hampden L4132
Flight Lieutenant R M Coste: survived, captured, taken as prisoner of war.
Flight Sergeant Siriol Williams (Service Number 366471) - killed in action
Acting Sergeant Charles George Williams (Observer, Service Number 580687, aged 19) - killed in action
Aircraftman 2nd Class Stanley Isherwood (Wireless Op/Air Gunner, Service Number 621052, aged 19) - killed in action

Flight Sgt Williams, who died in L4132, had survived two pre-war air accidents: these were reported on 12 December 1936 and 24 November 1938, the former whilst flying Heyfords with 102 Squadron and the latter when 144 Squadron was equipped with Bristol Blenheims.


1. Royal Air Force Aircraft L1000-L9999 (James J Halley, Air Britain, 1978 p 24)
2. National Archives (PRO Kew) File AIR 81/85:

Revision history:

06-Jun-2019 00:16 Dr. John Smith Added
06-Jun-2019 00:17 Dr. John Smith Updated [Source, Narrative]
08-Jun-2019 09:35 stehlik49 Updated [Operator]

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