Draft ICAO Circular on NLA.pdf - Airports Council International

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-3- 1.2.6 The <strong>Circular</strong> also draws attention to the need for reconsideration of emergency plans to deal with incidents involving larger aeroplanes, and consequential aspects of rescue and fire fighting. 1.2.7 Aircraft design and certification issues are not directly addressed in this <strong>Circular</strong>. However national certification requirements may impact facilities, services, or aerodrome infrastructure requirements. 1.2.8 During the early stages of introduction of the NLA, and where it is expected that frequency of movements will remain low, States may take the decision to consider the statistical implications of such frequency of movements on safety, in deciding on measures to be implemented. 1.2.9 Aerodromes intending to handle operations of a given NLA may, with approval of the appropriate authority, provide the facilities with clearances less than those specified in Annex 14, Volume I, after carrying out aeronautical studies to ensure safety of operations is preserved for that specific aeroplane. However, facilities meeting code F requirements should be provided in full on all relevant parts of the movement area whenever new constructions or major redevelopment are undertaken. When planning such construction or redevelopment, it may be prudent to consider the requirements of future aeroplane types needing facilities in excess of code F. Guidance in this respect is given in the Aerodrome Design Manual, Parts 1 and 2. Long term perspective planning to cater to future needs and the ability of the ground infrastructure to be modified quickly without disruption of ground operations and without compromising safety, would be advisable. 1.2.10 If NLA operations are contemplated on runways narrower than the 60 m recommended in Annex 14, Volume I, due considerations should be given to all factors affecting safety, including: a) the type certification of the NLA concerned in accordance with Annex 8 (see Chapter 5, paragraph 5.1.2 of this <strong>Circular</strong>); b) the use of possible mitigation measures discussed in Chapter 4, Section 4.1.2; and c) local conditions and other operational factors. 1.2.11 Attention is drawn to the fact that the alternative measures, operational procedures and operating restrictions identified in this document are applicable to those NLA for which the critical characteristics are shown in Appendix A hereto. Should any of these characteristics change, appropriate studies will be needed to ensure continued safety of operations. — — — — — — — — <strong>ICAO</strong> Version 4.1 — 15 March 2004
<strong>ICAO</strong> Version 4.1 — 15 March 2004 Chapter 2 IMPACT OF NEW LARGER AEROPLANE CHARACTERISTICS ON AERODROME INFRASTRUCTURE 2.1 INTRODUCTION 2.1.1 The aim of this chapter is to relate the characteristics of NLA with aerodrome dimensions, facilities and services in movement areas. When preparing to accommodate NLA, any dimension that exceeds those of aeroplanes commonly using the facility should be taken into consideration. This chapter provides a comprehensive, but not exhaustive checklist of relevant items. Specific details of certain anticipated new aircraft types are in the Appendix hereto. 2.1.2 The following broad NLA characteristics are addressed: a) NLA dimensions; b) landing gear characteristics, weights and Aircraft Classification Number (ACN) values; c) engine data; d) maximum passenger and fuel carrying capacities; and e) flight performance, including wake vortex. 2.2.1.1 Fuselage length may influence: 2.2 NLA CHARACTERISTICS 2.2.1 Fuselage length a) dimensions of aprons, passenger gate, terminal areas, and holding bays; b) dimensions of aircraft maintenance and repair services facilities; c) aerodrome category for Rescue and Fire Fighting (RFF): Overall length of the most critical aeroplane is one of the two Annex 14 criteria to determine aerodrome category for RFF; d) ground movement and control (e.g. reduced clearance behind a longer aeroplane holding at an apron or a runway holding position to permit the passing of another aeroplane) and; e) de-icing facilities.
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Draft ICAO Circular on NLA.pdf - Airports Council International

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