Naval Runs
For the beginning of each course we would do 'Dry' runs using the sircraft as the target while the crews learnt and practised the procedures. This would usually take 2 days. Then we went 'Hot' flying the target straight and level at 1000' on 6000' of cable aimed directly at the gun. Shots were fired using 4 1/2 inch break up shells when the aircraft was overhead the gun so out of the firing arc. We couldn't see the shot but could hear them, and on the rare occasion there was a good hit, you felt it