Bomber Command Memorial Register

Carreg Goch (Wellington MF509) Memorial

Carreg Goch, Brecon Beacons (Bannau Brycheiniog)

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Location

Carreg Goch, Brecon Beacons (Bannau Brycheiniog), Brecon Beacons (Bannau Brycheiniog)

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Narrative

On the night of 20 November 1944, Wellington MF509 from 22 OTU at Wellesbourne Mountford was on a cross-country navigation exercise when the starboard Hercules XVI engine developed problems. The wireless operator requested permission to descend below the cloud base. But the aircraft had entered shower clouds that deposited heavy layers of ice on the wings, and with insufficient power from the port engine alone, the Wellington lost height and crashed into the south-west slopes of Carreg Goch. All six crew — known as 'the Alouettes' — were killed. All six were buried at Chester (Blacon) Cemetery. In 2013, Phyllis Allison, sister of bomb aimer William, visited the site — an extraordinary journey nearly 70 years after her brother's death.

Aircraft & Operation Details

Aircraft Type
Wellington
Serial Number
MF509
Squadron
22 OTU
Station
Wellesbourne Mountford
Date of Loss
1944-11-20
Operation Type
Training
Cause of Loss
Starboard Hercules XVI engine failure; heavy icing in shower clouds; insufficient power from port engine

Crew (6 members)

RankNameRoleAgeNationalityFateBurial / Status
SgtCharles HamelPilot21CanadianKilledChester (Blacon) CemeteryCWGC
SgtJules Robert Rene VilleneuveNavigator22CanadianKilledChester (Blacon) CemeteryCWGC
F/OWilliam Joseph AllisonBomb Aimer28CanadianKilledChester (Blacon) CemeteryCWGC
SgtJoseph Paul Ernest BurkeWireless Operator/Air Gunner20CanadianKilledChester (Blacon) CemeteryCWGC
SgtArthur GrouixAir Gunner22CanadianKilledChester (Blacon) CemeteryCWGC
SgtGerard DusablonAir Gunner20CanadianKilledChester (Blacon) CemeteryCWGC

Memorial Details

Type
Memorial cairn with two plaques; wreckage on mountainside

Further Reading

Aircrash Sites UKRetrieved 2026-03-23

All-Canadian crew of 22 OTU known as 'the Alouettes'. Starboard Hercules XVI engine failure.

All-Canadian crewStarboard Hercules XVI engine failure

Ystradgynlais HistoryRetrieved 2026-03-23

McGill University connection. Phyllis Allison visited crash site 2013.

McGill University connection from 2005Phyllis Allison visited 2013

Wandering Welsh GirlRetrieved 2026-03-23

Walking guide. 8km loop walk. Considerable wreckage visible.

8km loop walk from Blaen-y-GlynConsiderable wreckage still visible

Sources

Credits & Acknowledgements

Record compiled by
Keith Binley
Heritage sources
Aircrash Sites UK (retrieved 2026-03-23)
Ystradgynlais History (retrieved 2026-03-23)
Wandering Welsh Girl (retrieved 2026-03-23)
Last updated 2026-03-23

Nearby Memorials

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Ffridd Rhosfarch Wellington Memorial
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Tigers Marsh Fortress Memorial
Tigers Marsh, Dartmoor, Devon (Dartmoor)B-17 Flying Fortress1943-12-25
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