Draft ICAO Circular on NLA.pdf - Airports Council International

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-45- increased payload per NLA movement and the better performance of NLAs compared to older models still in operations. 5.3.3 The following should be taken into account by the appropriate authorities, aerodrome and aircraft operators: a) aircraft noise; b) aircraft engine emissions; c) aircraft fuelling; d) aircraft maintenance and operations; e) aircraft de-icing; and f) aerodrome infrastructure. Detailed Guidance on the environmental aspects of these subjects is provided in the Airport Planning Manual, Part 2 — Land Use and Environmental Control (Doc 9184). — — — — — — — — <strong>ICAO</strong> Version 4.1 — 15 March 2004
<strong>ICAO</strong> Version 4.1 — 15 March 2004 Chapter 6 AIR TRAFFIC MANAGEMENT ISSUES 6.1 INTRODUCTION 6.1.1 Wake vortices are present behind every aeroplane, but are particularly generated by larger transport aeroplanes. They are heavily influenced by the specific aeroplane aerodynamics. Categorization for NLAs such as the A380 in terms of wake turbulence, together with a fuller understanding of the impact of a such aeroplanes on following traffic are currently being reviewed by industry and regulators through a group of experts working under the joint auspices of the United States Federal Aviation Administration (FAA), the Joint Aviation Authorities (JAA) and the European Organisation for the Safety of Air Navigation (EUROCONTROL). The outcome will be reported when complete. 6.1.2 The implications of the increased mass, an advanced wing design and any approach speed differences (e.g. compared to code E aircraft), may require a review of current wake turbulence procedures. 6.1.3 Wake turbulence categories and non-radar wake turbulence longitudinal separation minima are contained in the Procedures for Air Navigation Services — Air Traffic Management (PANS-ATM, Doc 4444), Chapter 4, Section 4.9 and Chapter 5, Section 5.8, respectively. Wake turbulence radar separation minima, details of which can be found in Chapter 8, are in some cases as high as 6 nautical miles. Guidance material with a description of wake vortices and their effect on aircraft is contained in the Air Traffic Services Planning Manual (Doc 9426). 6.2 GROUND MOVEMENT AND CONTROL (To be issued later) 6.3 TRAINING OF ATM PERSONNEL (To be issued later) — — — — — — — —
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Draft ICAO Circular on NLA.pdf - Airports Council International

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