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APAPI
- Usado para
- abbreviated precision approach path indicator
- Definição1
- A precision approach path indicator system consisting of only two light units situated on the left side of the runway. The aircraft is on a slope if the unit nearest the runway shows red and the unit farthest from the runway shows white, too high if both units show white, and to low if both units show red.
- Fonte1
- KUMAR, Bharat (ed.). An illustrated dictionary of aviation. New York: McGraw-Hill, c2005. 752 p.
- Fonte2
- INTERNATIONAL CIVIL AVIATION ORGANIZATION. Annex 14 to the Convention on International Civil Aviation. Aerodromes. Volume I: aerodrome design and operation. 6th ed. Montreal, 2013.
- Nota adicional1
- The APAPI system shall consist of a wing bar of two sharp transition multi-lamp (or paired single lamp) units. The system shall be located on the left side of the runway unless it is physically impracticable to do so.
- Nota adicional2
- The wing bar of an APAPI shall be constructed and arranged in such a manner that a pilot making an approach will: a) when on or close to the approach slope, see the unit nearer the runway as red and the unit farther from the runway as white; b) when above the approach slope, see both the units as white; and c) when below the approach slope, see both the units as red.
- Português
- indicador abreviado de trajetória de aproximação de precisão
- Imagem
Siting of PAPI and APAPI.
Source: INTERNATIONAL CIVIL AVIATION ORGANIZATION. Annex 14 to the Convention on International Civil Aviation. Aerodromes. Volume I: aerodrome design and operation. 6th ed. Montreal, 2013.