156 Squadron Mission Details
Target: Gardening
Mission Date: 16/04/1942
Mission Comments: Six aircraft were engaged on operations sea-mining. P/O Sheffield failed to return.
Rego Type Captain Departed Over Target Height Returned Flight Time Comments ORB Slide
X3677  Wellington  S/L MCGILLIVRAY  20:55  23.45  500  02:45    Seem to be one short on crew list.  017 
X3741  Wellington  Sgt. POTTS  21:00  23.48  900  03:00      017 
X3671  Wellington III  P/O FOX  21:00  23.23  500  02:10      017 
X3710  Wellington III  F/O PINION  21:15  23.50  400  02:30    Vegetable planted in Morbihan Bay owing to mistaken identity of coastline.
Launched from 400 feet at 23.50 hrs.
Load dropped 2 x PDM22. 
X3417  Wellington III  P/O SHEFFIELD  21:16          This aircraft failed to return and no message was heard from it.
2 Veg carried.

T/o 2116 Alconbury to lay mines in French waters S of the River Loire's exit into the sea. Presumed crashed in the target area. Sgt Hall is buried on the island of Noirmoutier at Barbatre Churchyard;
P/O Sheffield rests near St-Nazaire in Escoublac-la-Baule War cemetery, while the others have no known grave. 
X3695  Wellington III  Sgt. SMITH  21:23  .35  500  03:43    Veg planted sucessfully from 500' at 0.35 G.S 145 m.p.h.
Very Dark, good visibility.
Pinpoint obtained from Neirmonter Is. and Blier Is.
Two planted (no 22 and Norm).