Kl. 20.17 den 4. september 1943 startede STI BK774 på en minelægningsoperation. Se Minelægningsområder. Se p217MACR.
Siden hørte ingen fra flyet. Hele besætningen omkom.

E. A. Hill og R. O. Lander blev fundet i havet ved Klitmøller (omkring her). De blev begravet i Frederikshavn henholdsvis den 18. og 13. september 1943.
R. E. Belton blev fundet på havet ved Hansted (omkring her) og H. Perry fandt man på havet ved Klitmøller. De blev begge begravet den 29. september 1943.
V. J. Caselton, R. Lawson og W. J. Price forsvandt i havet.  (Kilde: FAF)

Sergeant Victor John Caselton, 20 år, var søn af Percy Henry og Kathleen Mary Caselton, Gravesend, Kent, United Kingdom.
Hans navn er på Panel 144 på the Runnymede Memorial blandt mere end 20.000 navne på flyvere, der ikke har en kendt grav. (Kilde: CWGC)
7 flyvere.

At 20.17 hours on 4 September 1943 STI BK774 took off on a minelaying operation. See Minelaying areas.
Since then nothing was heard from the plane. All of the crew perished.

E. A. Hill and R. O. Lander were found in the sea off Klitmøller (about here). They were buried in Frederikshavn on 18 and 13 September 1943, respectively.
R. E. Belton was found in the sea off Hansted (about here) and H. Perry was found off Klitmøller. They were buried on 29 September 1943.
V. J. Caselton, R. Lawson and W. J. Price disappeared into the sea. (Source: FAF)

Sergeant Victor John Caselton, 20, was the son of Percy Henry and Kathleen Mary Caselton, of Gravesend, Kent, United Kingdom.
He is commemorated on the Runnymede Memorial, Panel 144, among more than 20,000 airmen who have no known grave. (Source: CWGC)
He is remembered on The Walls of Names at the International Bomber Command Centre, Phase 2, Panel 142.

See No. 15 Squadron RAF - Wikipedia * Short Stirling * p217MACR.
Stirling III BK774 LS-K took off from RAF Mildenhall at 2017 hrs on 03 SEP 1943. (Source: Aircrew Remembered has this.) 7 airmen.