tarboat's photos with the keyword: cark

The Air Ministry sometimes specified a pillbox with all-round field of fire for the defence of airfields and this resulted in the F.C. Construction type which, inevitably, became known as the Mushroom. This is one of two examples at Cark Airfield, Flookburgh.

Watch office at RAF Cark with a smaller Fighter Satellite Watch Office to the right. The airfield was constructed for fighters in late 1940 but appears to have been mainly used for anti-aircraft training and later for pilot training.