TCA story: engine of TCA Lockheed Lodestar stopping, attendants putting mail bags into plane. AIR TO AIR SHOTs of biplane airborne over clouds as seen from airborne Lodestar. Shots of mailbags with tags re Edmonton, Halifax, of TCA worker removing ice from leading edges of elevators and rudder in snowstorm, of mail being wheeled towards hangar. LS of TCA Lodestar airborne over fluffy clouds. Shot of B-24 Liberator bomber landing on airfield.