West coast patrol (00/00/1941): various AIR TO AIR shots, MLSs and LSs of Bristol Bolingbroke bombers in flight. Ground shot of crews racing to their planes in a scramble, planes taxiing, one plane taking off as camera follows. One shot of patrol boat speeding through water machine. Shot of machine gunner at his post on boat. Cut to shot of pilot sliding in as seen from inside plane, getting set to taxi. Various MSs, MLSs of patrol boats speeding along, of patrol boats shot from another speeding boat.