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tie-down
- Fonte1
- INTERNATIONAL CIVIL AVIATION ORGANIZATION. Training manual. Part D-1: aircraft maintenance (Technician/Engineer/Mechanic). 2nd ed. Montreal, 2003. (Doc. 7192-AN/857 Part D-1)
- Fonte2
- INTERNATIONAL CIVIL AVIATION ORGANIZATION. Manual of aircraft accident and incident investigation. Part III: investigation. 1st ed. Montreal, 2014. (Doc. 9756)
- Fonte3
- AGÊNCIA NACIONAL DE AVIAÇÃO CIVIL. RBAC 23: requisitos de aeronavegabilidade: aviões categoria normal, utilidade, acrobática e transporte regional. Brasília, 2013. Disponível em: http://www2.anac.gov.br/biblioteca/rbac/RBAC23EMD61.pdf. Acesso em: 23 jun. 2014.
- Contexto
- Secure tie-down must be ensured. Some compartments are better equipped than others with tie-down equipment, and loads must be planned accordingly.
- (c) At all weights between the empty weight and the maximum weight declared for tie-down stated in the appropriate manual, any declared tie-down points and surrounding structure, control system, surfaces and associated gust locks, must be designed to withstand the limit load conditions that exist when the airplane is tied down and that result from wind speeds of up to 65 knots horizontally from any direction.
- The rolling motion can occur on initial takeoff with excessive lateral cyclic trim due to a change in weight and loading of the helicopter. It may also occur when the landing gear is restrained from moving such as when stuck in mud, ice, or soft asphalt; failure to remove a tie-down; or when the helicopter is moving sideward in a hover and strikes the surface or an object. The dynamic rollover sequence can take as little as two seconds from initiation of the roll to rotor blades striking the surface.
- Related Term
- tie-down fitting
- tie-down track