Shots of officers and men on snow-covered field examining Avro 504 Lynx trainer airplane. Shots of several "Lynxes" in row, of plane engine being started with a mechanical starter mounted on motor car. Several planes taking off from snowy field. AIR TO AIR SHOT of "Lynxes" in flight. AERIAL SHOT of ground showing bush land and snow patches. Various AIR TO AIR and GROUND TO AIR SHOTs of planes in flight.