”Natten til den 12. april 1945 skulle et Stirling fly nedkaste våben på en plads ved Holmene vest for Fjerritslev (her). Flyet må være styrtet i havet.
Alle ombord omkom.” (FAF)  4 flyvere fra STI PK229 har ingen kendt grav. 1 er begravet i Helligsø og 1 i Tornby.

Flying Officer Kenneth William Trevett Rigby, 23 år, var søn af Walter James Rigby og Leah Rigby, gift med Joan Rigby, Walkden, Lancashire, United Kingdom.
Hans navn er på Panel 267 på the Runnymede Memorial blandt mere end 20.000 navne på flyvere, der ikke har en kendt grav. (Kilde: CWGC)

69 omkomne flyvere fra dette og 14 andre fly mindes på Mindetavlen i Rebild. De mistede livet under nedkastningsoperationer til modstandsbevægelsen.
Af samme grund mindes de i London. Se 69 flyvere - St. Clement Danes. 6 flyvere.

On the night before 12 April, 1945 a Stirling was to drop weapons on a drop zone at Holmene west of Fjerrritslev (which is here).
The plane must have crashed in the sea. All on board perished. (Source: FAF)

4 airmen from STI PK229 have no known grave. 1 is buried in Helligsø and 1 in Tornby.

Flying Officer Kenneth William Trevett Rigby, 23, was the son of Walter James Rigby and Leah Rigby, and the husband of Joan Rigby, of Walkden, Lancashire,
United Kingdom.
He is commemorated on the Runnymede Memorial, Panel 267, among more than 20,000 airmen who have no known grave. (Source: CWGC)

69 perished airmen from this and 14 other planes are commemorated on the Memorial Plaque in Rebild. They lost their lives in supply operations to the Danish resistance movement. For the same reason they are commemorated in London. See 69 airmen - St. Clement Danes.

See 69 perished airmen on the Memorial Plaque in Rebild  and in London, 69 airmen - St. Clement Danes.
See No. 299 Squadron RAF - Wikipedia and 299 Squadron at Unit Histories. This Stirling took off from RAF Shepherds Grove.   

6 airmen.