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Circular 113-AN185 Corrigendum No. 1 1/7/75 RUNWAY VISUAL RANGE OBSERVING AND REPORTING PRACTICES CORRIGENDUM No. 1 Page 15, paragraph 4.6.5, line 16, amend introduces errors up to to read introduces differences of up to Page 17, replace Figure 6 by the attached new Figure 6. Page 21, paragraph 5.6.2, line 6, amend series of stops to read series of steps Page 29, line 4, amend admosphere to read atmosphere Page 34, "Monographic No. 76. . . " amend C. Pevin de Birchambaut to read C. Perrin de Brichambaut. - END -
ANGLE E Our Figure 6. Isocandela diagram of an edge light meeting the minimum ICAO requirements Width of runway 45 m. Pilot's eye level 5 m. Intensities in KCd for 100 per cent intensity setting. If the pilot is at 5 m over the centre line, he is on the line so marked E/A 0.22, see Figure 5. The intensity I for any runway visual range is that at the point on this line at which A is given by tan A 22.5/RVRS see Figure 5. Examples of points are sham for runway visual range 200, 400, 800 and 1 600 m. Corresponding points for a 10 m eye level high cockpit aircraft are marked on the broken line. For runway visual range computations, all intensities to be reduced by 20 per cent to allow for aging and contamination of lights, and also by an appropriate amount for intensity levels, below 100 per cent, that may be set by the tower for the whole system.
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