Description:01 42 55 00 Aviation, transport, communication. Flight between Kansas City and New York of the TWA, the 30s. Maintenance is watched of very near after 1300 hours of flight, every plane is inspected in the base of Kansas City. Plane entered hangar. Plane is placed on scaffolds for checks. After 10 000 hours of flight every details is practically changed. Mechanics get ready to work on the plane. Dismantling of details, inspection for the security of the passengers. Close-up mechanics who defuse engines, close-up mechanical details of the plane. Close-up various mechanics who work on workshop. Close-up engineer with plan. Maintenance of details, cogs, revision.