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instrument meteorological conditions
- Definição1
- The symbol used to designate instrument meteorological conditions. Meteorological conditions are expressed in terms of visibility, distance from clouds, and ceiling, less than the minimums specified for visual flight conditions.
- Fonte1
- CRANE, Dale (ed.). Dictionary of aeronautical terms. 2nd ed. Renton: ASA, 1991.
- Definição2
- Meteorological conditions expressed in terms of visibility, distance from clouds, and ceiling less than the minimums specified for visual meteorological conditions, requiring operations to be conducted under IFR.
- Fonte2
- FEDERAL AVIATION ADMINISTRATION. Pilot's handbook of aeronautical knowledge. [s.l.], 2008. Disponível em http:// www.faa.gov/regulations_policies/handbooks_manuals /aviation/pilot_handbook/media/PHAK %20-%20Cover-Preface.pdf. Acesso em: 20.fev.2015.
- Definição3
- Meteorological conditions expressed in terms of visibility, the distance from clouds, and the ceiling, less than the minimums specified for visual meteorological conditions. In a control zone, a VFR (visual flight rules) flight may proceed under instrument meteorological conditions if and as authorized by air traffic control.
- Fonte3
- KUMAR, Bharat (ed.). An illustrated dictionary of aviation. New York: McGraw-Hill, c2005. 752 p.
- Fonte4
- EMBRAER. Technical dictionary english-portuguese. [São José dos Campos], 2001.
- Nota adicional1
- Acronym in English: IMC.
- Nota adicional2
- An aviation term that describes weather conditions that normally require pilots to fly primarily by reference to instruments, and therefore under Instrument Flight Rules (IFR), rather than by outside visual references under Visual Flight Rules (VFR).
- Contexto
- However, for operations at night or in instrument meteorological conditions, a width of 75 m on either side of the centre line is recommended.
- On flights in which it is intended to land in instrument meteorological conditions, an aeroplane shall be provided with radio equipment capable of receiving signals providing guidance to a point from which a visual landing can be effected.
- Português
- condições meteorológicas de voo por instrumentos