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Doc 8168. Vol 2. Edition 7
Corrigendum № 2
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PROCEDURES FOR AIR NAVIGATION SERVICES AIRCRAFT OPERATIONS Doc 8168 VOLUME II CONSTRUCTION OF VISUAL AND INSTRUMENT FLIGHT PROCEDURES CORRIGENDUM NO. 2 1. Insert the following pages in the PANS-OPS Seventh Edition, Volume II, to incorporate this corrigendum Corr. 2 dated 21/3/22 Page I-4-5-8 Part I Page II-1-1-App C-1 Part II Page III-3-6-10 Part III Page IV-3-3 Part IV 2. Record the entry of this corrigendum on page iii. Doc 8168, Volume II Corrigendum No. 2 E/F/R/S 21/3/22
Part I Section 4, Chapter 5 I-4-5-7 5/11/20 end of the line. In this case, z becomes the terrain elevation difference m/ft between the highest and lowest terrain elevation points contained in the EDA. An example of a calculation in nautical miles and feet is illustrated in Figure I-4-5-5. 5.4.5.4 Lower limit a minimum value applied to OCA/H a Forecast altimeter setting. When the altimeter setting to be used with procedures is a forecast value obtained from the appropriate meteorological office, the OCA/H shall be increased by a value corresponding to the forecasting tolerance for the location as agreed by the meteorological office for the time periods involved. Procedures which require the use of forecast altimeter setting shall be suitably annotated on the approach charts. b Final approach track intersecting the extended runway centre line between 5 and 30. When the final approach track intersects the extended runway centre line between 5 and 30 a lower limit is applied to OCA/H 5.4.3.2, Non-aligned straight-in approach. c Final approach track intersecting the extended runway centre line at more than 30 or descent gradient exceeding 6.5 per cent. When the final approach track intersects the extended runway centre line at more than 30, or the descent gradient exceeds 6.5 per cent, the OCA/H for visual manoeuvring circling becomes the lower limit and is applied to the approach procedure. d Visual manoeuvring circling. For visual manoeuvring circling a lower limit consisting of the OCA/H for the associated instrument approach procedure is applied see 5.4.4, OCA/H for visual manoeuvring circling. 5.4.6 Protection for the visual segment of the approach procedure 5.4.6.1 All new straight-in instrument approach procedures published on or after 15 March 2007 shall be protected for obstacles in the visual segment. For this purpose no obstacles, except subject to 5.4.6.4, shall penetrate a Visual Segment Surface VSS laterally, defined as follows a for procedures with localizer or localizer look-alike lateral guidance LOC only, APV I, and PA approaches where the final approach track is aligned with the runway centre line, with a base width equal to the inner approach surface as defined in Annex 14, originating 60 m prior to the runway threshold, extending parallel to the extended runway centre line, and terminating at the point where the height of the surface reaches the OCH see Figure I-4-5-6 a and b for all other straight-in instrument approach procedures 1 a base width equal to the runway strip width originating 60 m prior to the runway threshold, splaying 15 per cent on either side of the extended runway centre line, and terminating at the point where the height of the surface reaches the OCH see Figure I-4-5-6-b 2 where the final approach course is offset and intersects the extended runway centre line, the splay on the side closest to the final approach course is increased by the offset angle see Figure I-4-5-7 and 3 where the final approach course is offset but does not intersect the extended runway centre line, the splay closest to the final approach course is increased by an amount equal to the final approach course offset at 1 400 m from the runway threshold see Figure I-4-5-8. 5.4.6.2 Vertically, the VSS originates at the runway threshold height and has a slope of 1.12 degrees less than the promulgated approach procedure angle.
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