This 1945 U.S. Navy training film, Quit Stalling—Or Spin In! (MN-4353a), teaches pilots the dangers of stalling, or spinning, and how to avoid crashing. A stall is what happens when an aero foil cannot make enough lift to keep the aircraft in level flight. The film features a Navy instructor who presents a series of case studies from the Navy’s office of Flight Safety Flight Statistics (00:52). The film begins with footage of a plane stalling and crashing into the ground (00:14); the remains of the pilot are recovered by the military. The Navy instructor reviews some of the key rules to avoid stalling: the steeper the bank or the sharper the pull-up—the higher the “G” (02:14); the higher the “G” and the heavier the load, the higher the stalling speed (03:10); and keep flying speed (03:31). Since more than half of all spin accidents occur during landing approaches, the Navy instructor reviews several cases involving landing approaches, including lacking speed during a turn (03:58) and slow gliding on aircraft carrier (05:20). Next, the film shows footage of a PV-1 as the narrator recounts a fatal spin accident involving the same plane, which killed the entire six-member crew. The instructor then discusses cases of crashes involving spin that occurred during takeoffs. This is followed by spin accidents that happened during simulated emergency training (07:32); in one case, an instructor and student on a b-stage flight in what appears to be a Navy N2S Stearman (08:09) entered a simulated spin but crashed due to insufficient altitude, with fault assigned to the instructor. The fourth key to avoiding crashes during spins is to never make steep turns at low altitudes (09:00). The instructor reviews graphs for necessary speeds based on the angle of bank to avoid spins for planes such as the N2S (09:24) and the F6F Hellcat (09:59). Another cause of crashes is pulling out of a spin too quickly, which results in falling into another spin, as is the case with an F6F cruising at 2000 feet (10:25). The Navy instructor then recaps the four other major classifications of spin accidents (12:00): those taking place due to emergency landings caused by engine failure; those traceable to unauthorized low flying or flathatting; those occurring at night or during reduced visibility; and those during dives or pull-outs. The training film concludes with footage of wrecks from several stalling accidents (13:04) and a reminder to be smart and avoid stalling or spinning.
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This film is part of the Periscope Film LLC archive, one of the largest historic military, transportation, and aviation stock footage collections in the USA. Entirely film backed, this material is available for licensing in 24p HD, 2k and 4k. For more information visit http://www.PeriscopeFilm.com