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Characteristics of the light units Besluit toezicht luchtvaart BES

5.3.5.28 The system shall be suitable for both day and night operations.

5.3.5.29 The color transition from red to white in the vertical plane shall be such as to appear to an observer, at a distance of not less than 300 m, to occur within a vertical angle of not more than 3′.

5.3.5.30 At full intensity the red light shall have a Y coordinate not exceeding 0.320.

5.3.5.31 The light intensity distribution of the light units shall be as shown in Appendix 2, Figure A2-23.

Note – See the Aerodrome Design Manual, Part 4 for additional guidance on the characteristics of light units.

5.3.5.32 Suitable intensity control shall be provided so as to allow adjustment to meet the prevailing conditions and to avoid dazzling the pilot during approach and landing.

5.3.5.33 Each light unit shall be capable of adjustment in elevation so that the lower limit of the white part of the beam may be fixed at any desired angle of elevation between 1° 30′ and at least 4° 30′ above the horizontal.

5.3.5.34 The light units shall be so designed that deposits of condensation, snow, ice, dirt, etc., on optically transmitting or reflecting surfaces shall interfere to the least possible extent with the light signals and shall not affect the contrast between the red and white signals and the elevation of the transition sector.

Regeling
Besluit toezicht luchtvaart BES
Soort
AMvB-BES
Geldend vanaf
01-01-2021
BWB-id
BWBR0028721
Versie
2021-01-01_0

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