At 02.50hrs on 5th August 1942 this No.15 (Pilot) Advanced Flying Unit aircraft crashed at speed in an almost vertical dive during a night time cross country training flight close to Plump House, Myton on Swale. The route they were flying was from base of Leconfield, via Helmsley, Pateley Bridge and back to Leconfield. Sadly the crew of three were killed.

Oxford V4215 was built to contract B.55347/39 by The Standard Motor Company Ltd. at Canley and was awaiting collection in December 1941. After a lengthy period of MU storage it was taken on charge by 15 (P)AFU on 5th May 1942 at Leconfield. As a result of the accident near Myton on Swale on 5th August 1942 Cat.E2/FA was recorded and the aircraft was written off. Halifax NR203 crashed three hundred yards away in November 1944 and Meteor WE864 crashed on just about the same spot in January 1952.

Pupil Pilot - Sgt Clement John Stuart RAAF (405779), aged 21, of Toowoomba, Queensland, Australia. Buried Newton on Ouse Churchyard, Yorkshire

Pilot - Sgt Henry Anderton Thewles RAFVR (1450879), aged 20, of Hessle, Hull, Yorkshire. Buried Haltemprice (Hessle) Cemetery, Yorkshire.

Wireless Operator - AC1 John Davies RAFVR (1077869), aged 20, of Oldham. Buried Royton Cemetery, Lancashire.

Henry Thewles was born on 10th February 1922 and had enlisted for RAF service on 3rd July 1941. He is buried at Hessle Cemetery.

Clement Stuart was born on 26th April 1921 in Toowoomba and enlisted in Brisbane. Sgt Thewles' family paid for the erection of Sgt Stuart's first gravestone at Newton on Ouse before the formal CWGC stones were erected.