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horizontal situation indicator
- Definição1
- A flight navigation instrument that combines the heading indicator with a CDI, in order to provide the pilot with better situational awareness of location with respect to the courseline.
- Fonte1
- 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: 26 jun 2014.
- Definição2
- An electronic flight and navigation instrument that shows the pilot the proper changes to make in directional flight. An HSI shows the pilot the relationship of the aircraft to the VOR radial or ADF bearing, the magnetic direction, the desired course and heading, and also the relationship of the aircraft to the glide slope.
- Fonte2
- CRANE, Dale (ed.). Dictionary of aeronautical terms. 4th ed. Newcastle: ASA, 2006.
- Fonte3
- INTERNATIONAL CIVIL AVIATION ORGANIZATION. Human factors digest n. 9: proceedings of the second ICAO flight safety and human factors global symposium: Washington D.C., April 1993. Montreal, 1993. (Cir. 243 AN/146).
- Nota Adicional1
- Acronym in English: HSI.
- Contexto
- Horizontal Situation Indicators (HSI's) have long been the primary instrument by which pilots maintain the desired course or lateral flight path of the airplane.
- Subárea
- Flight Instruments
- Français
- indicateur de situation horizontale