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cruise level
- Fonte1
- INTERNATIONAL CIVIL AVIATION ORGANIZATION. Guidance material on sst aircraft operations. Montreal, 1975. (Cir. 126 AN/91).
- Fonte2
- ADA FORMACION PROFESIONAL. MP11 constitución y navegación de las aeronaves. Disponível em:
- Contexto
- On rare occasions the SST may be obliged to carry out unscheduled descent from its normal supersonic cruise level to some lower level because of engine failure, a loss of air conditioning or pressurization or solar cosmic radiation.
- Where D Va is wind error, DM is Mach error and DTo is temperature error. Note from equation 3.10 that Mach error also contributes to temperature error. Unless gross temperature errors exist, Mach number uncertainty can be the most significant. For example, with a Mach number error of 0.2 per cent at cruise level air speed error is some 1 kt (0.5 m s-1). Thus, with zero errors from the navigation system wind vector errors up to 0.5 m s-1 are to be expected and are also dependent on the angle between the wind at flight level and the aircraft heading. Note, however, that gross temperature errors will lead to gross wind errors.
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- cruising level
- Português
- nível de cruzeiro (1)