[Title] Shot of DH Moth airplane used to spot forest fires taking off. Shots of High River Air Station, of Pincher Creek sub-base, of Grand Prairie sub-base. Various shots of Moth planes at Grand Prairie, pilots, mechanics. Shot of plane being wheeled out, started and taking off. AIR TO AIR SHOT of plane flying over woodlands. AERIAL SHOTs of Rocky Mountains, struts of plane in foreground. AERIAL SHOTs of forest fire, much smoke, intercut with LSs of Moth in flight. Sequence on plane, wings folded, being wheeled back into hangar. [Titles interspersed]