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back course
- Definição1
- The course line along the extended centerline of a runway in the opposite direction to the front course, or the localizer course for an ILS (instrument landing system). For an aircraft to approach the instrument runway from the end on which the localizer antenna is installed, the back course must be flown.
- Fonte1
- KUMAR, Bharat (ed.). An illustrated dictionary of aviation. New York: McGraw-Hill, c2005. 752 p.
- Definição2
- The reciprocal of the localizer course for an ILS. When flying a back-course approach, an aircraft approaches the instrument runway from the end at which the localizer antennas are installed.
- 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: 26 jun. 2014.
- Fonte3
- INTERNATIONAL CIVIL AVIATION ORGANIZATION. Annex 10 to the Convention on International Civil Aviation: aeronautical telecommunications: volume 1: radio navigation aids. 6th ed. Montreal, 2006. (Annex 10)
- Nota adicional1
- Acronym in English: BC.
- Nota adicional2
- A localizer back course is shown as on aeronautical charts. The sector located on the opposite side of the localizer from the runway is called the back course sector. A localizer back course is shown as on aeronautical charts. The sector located on the opposite side of the localizer from the runway is called the back course sector.
- Contexto
- If a localizer back course is being utilized, a distance of at least 30 m (100 ft) between the azimuth and localizer antennas is preferred, and the azimuth antenna must be symmetrically sited on the localizer course centre line.
- Subárea
- Air Navigation
- Spanish
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