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take-off distance required (helicopter)
Definição1
The take-off distance required shall be the horizontal distance required from the start of the take-off to the point at which the take-off safety speed (VTOSS), a selected height above the take-off surface, and a positive climb gradient are achieved, following failure of the critical engine at take-off decision point, the remaining engine(s) operating within approved operating limits. If procedures involve rearward flight, the back-up distance shall be included.
Fonte1
INTERNATIONAL CIVIL AVIATION ORGANIZATION. Annex 8 to the Convention on International Civil Aviation: airworthiness of aircraft. 11th ed. Montreal, 2010. (Annex 8).
Fonte2
INTERNATIONAL CIVIL AVIATION ORGANIZATION. Annex 14 to the Convention on International Civil Aviation: aerodromes: volume 1: aerodrome design and operation. 8th ed. Montreal, 2018. (Annex 14).
Nota Adicional1
Acronym in English: TODRH.
Contexto
A variety of combinations of accelerate-stop distances required and take-off distances required can be obtained to accommodate a particular aeroplane, taking into account the aeroplane take-off mass, runway characteristics, and ambient atmospheric conditions. Each combination requires its particular length of take-off run.
Français
distance nécessaire au décollage (hélicoptère)