Hong Kong International Airport

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Hong Kong International Airport Case Study: Capacity Issues facing Hong Kong International Airport NitishUmang Background HKIA (colloquially known as Chek Lap Kok Airport…
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Hong Kong International Airport
  • Case Study: Capacity Issues facing Hong Kong International Airport
  • NitishUmang Background
  • HKIA (colloquially known as Chek Lap Kok Airport ) is the main airport of Hong Kong, People’s Republic of China ; operated by the Airport Authority Hong Kong (AAHK)
  • Built on a large artificial, formed by leveling Chek Lap Kokand Lam Chauislands (3.02 km² and 0.08 km² respectively), and reclaiming 9.38 km² of the adjacent seabed.
  • Primary hub for Cathay Pacific, Dragon Air, Hong Kong Express Airways, Hong Kong Airlines, Air Hong Kong(Cargo) and Asia Jet (private)
  • In 2008
  • 12th busiest airport in terms of passenger throughput, 4th busiest international passenger throughput
  • 2nd busiest in terms of cargo traffic
  • Capacity Issues
  • Opened in 1998; two independent parallel runways (1525 m separation, ultimate capacity of 60 movements per hour)
  • Airport capacity was forecast as 87 million to be reached in 2030-40, but average aircraft size has declined rapidly since 1998 from 295 seats per movement to 240 seats per movement in 2007
  • Result: Capacity is now estimated as 55 – 60 million!
  • In 2008 itself, the airport served 48.6 million passengers!
  • Hong Kong :2 independent parallel
  • ‘HKIA 2025’ published by AAHK in December 2006: a master plan outlining the airport potential plan to meet the future demand.
  • The plan suggested constructing a third parallel runway with 1km separation from the current north runway
  • HK$ 4.5 billion investment programme which enhance the exisiting Passenger Terminal Building and construction of a new satellite concourse for smaller aircraft.
  • ‘The Government of Hong Kong Special Administrative Region shall provide conditions and take measures for maintenance of the status of Hong Kong as the centre of international and regional aviation’
  • Equivalent to an average annual growth rate of about 3% for both passengers and aircraft movements, much lower than the actual growth rate values
  • For ultimate capacity of 65 movements per hour, which is the highest recorded aircraft hourly movement of HKIA according to CAD, and 3% growth, the time for saturation of airside capacity is estimated to be around 2013
  • Imbalance between the
  • operational capacity of landside and airside facilities at HKIA
  • Explore means to enhance the airside capacity
  • Capacity Enhancement Measures
  • Cooperation with other airports
  • Maximize the capacity of the two existing runways
  • Construction of a third runway
  • Cooperation with other airports
  • Resolve airspace issues in PRD region
  • Pearl River Delta (PRD) region in Southern China consists of a multi-airports system which includes five major airports: Guangzhou, HKIA, Macau, Shenzhen and Zhuhai Airport.
  • Their proximity and respective airspace arrangements create tremendous operational complexities, with the variations in runways orientations (conflicting traffic) at each airport rendering the airspace issues even more complicated. Any change in the civil airspace requires the approval of the military in China. .
  • ‘Invisible wall’ : Aircraft to and from HKIA are required by the Chinese aviation authority to cross the Hong Kong and Zhuhai airspace boundary at a high altitude (15,000 ft or about 5,000 m), aircrafts leaving from HKIA are required to circulate in the Hong Kong airspace to gain sufficient altitude to climb over the wall, which leads to unnecessary flight time and fuel consumption. The extra fuel cost due to the “invisible wall” for Hong Kong alone was estimated to be over HK$600 million in 2006. .
  • All these limitations has significantly reduced the flight operational efficiency and capacity in the rapid growing PRD region. International Air Transport Association (IATA) has estimated that an extra 15-20% operating capacity could be provided to the PRD region by restructuring the airspace .
  • According to the forecast by CAAC, the PRD region will experience around 200 million passenger with 1.76 million aircraft movement per annum by 2020.
  • Contnd..
  • Cooperation with mainland and PRD airports to relieve air traffic
  • cooperate with other airports in the mainland and PRD region to relieve its air traffic
  • Hong Kong Airport Authority (HKAA) is already a shareholder of the Shenzhen airport, Hong Kong may receive all international flights, Shenzhen may act as a regional airport for domestic   operations.
  • In the 2020 Master Plan of HKIA, the Hong Kong Airport Authority is looking at strengthening its integrated, multi-modal transport network with the Mainland, especially the PRD to enhance the connectivity of the HKIA with these other airports
  • Maximize the capacity of the two existing runways
  • ATM Approach
  • Implement ‘mixed mode’ operations
  • The runways at HKIA are far apart enough for full independent mixed mode. However, the constraining factors is high ground on Lantau Island, adjoining the airport, which blocks the air corridors to use the south runway for landings
  • Enhanced ATC procedures and manpower
  • As per studies conducted by the National Air Traffic Services in UK of the Hong Kong airspace, HKIA needs to seriously consider changing its ATC operating philosophy
  • Adopt a more systemized and standardized approach : creating additional control positions, enhance the ATC staff strength
  • Use of modern ATC/ATM equipment and advanced navigation-aids: ADS-B allows air traffic controllers to reduce separation in increasingly crowded skies, RNAV/RNP navigation procedures using GPS can reduce the air congestion and flight distance without the use of ground beacons and adopt satellite-based communications instead
  • Expansion of Auxiliary Airside Facilities
  • High Speed Runway exits
  • More efficient taxiing patterns- Current Taxiway layout designs for HKIA is based on the principle of unidirectional flow
  • The apron area can also occasionally be a constraining factor on the overall airside capacity.
  • Peak spreading
  • general flattening of the travel demand profile across a broader time period
  • consideration of optimizations of the individual airlines schedules and interests: meeting their market demands and optimize their fleet utilization
  • airlines ,especially hub-and-spokes legacy carriers which heavily depend on smooth and accurate transits from one flight to another on their networks are generally reluctant to re-organize their flight schedules
  • may be applicable with less technical difficulty to freighter flights which usually operate on a 24-hour basis
  • Aircraft Size Restrictions
  • Using similar size aircraft, or larger/wide-body type aircraft would minimize the required separation distance and enhance runway movement capacity.
  • However in practice, the selection of aircraft type is mainly dictated by the operational characteristics of the aircraft for the routes to be flown, market demands, and economics
  • The flexibility and services to the passengers is also an important consideration According to studies, taking into account the effects of airspace issues and terrain, if all possible ATM (Air Traffic Management) and ATC (Air Traffic Control) enhancement measures are implemented, the "ultimate capacity" of the parallel runways of HKIA may go up to 80 movements per hour under the most ideal situation.
  • Construction of a third runway Environmental Impact Assessment
  • Noise
  • Enhanced airport capacity inevitably means more aircraft movements and more noise.
  • Impacts could range from impaired hearing to psychological annoyances.
  • In the case of HKIA, since it is located in a much more remote location away from the major urban areas, management of noise will not present any significant new challenge to the airport authority
  • Emissions
  • Produce emissions of carbon dioxide, carbon monoxide, nitrogen oxide, sulphur oxide, and other hydrocarbons, many of these emissions are considered greenhouse gases which affects climate and contributes to global warming
  • Ground transport to the airport, aircraft emissions and ground activity are also emission sources at the airport.
  • Third runway proposal must adequately address this issue to avoid delays
  • Marine Ecology
  • Water pollution issue is especially important for Hong Kong’s case as massive land reclamation will be involved
  • Impact on the Chinese White Dolphins
  • Protected under the Wild Animal Protection Ordinance and the Animals and Plants (Protection of Endangered Species) Ordinance in Hong Kong.
  • Physical removal of seabed causes damages to the natural communities in the area of the borrow pits, reclamation and dump sites. Clouds of suspended sediments would adversely affect sensitive marine life through decreased light penetration, clogging of respiratory apparatus and direct burial. This in turn could lead to a reduction of food supply for marine life higher up the food chain such as fish and dolphins
  • HKIA adopted a 1 km exclusion zone for the Chinese White Dolphins during the initial airport construction phase.
  • Economic Impact Assessment
  • In the HK International Airport (HKIA) Master Plan 2030, expected to be announced early next year, the AA has initially estimated that $13 billion investment will be required to build the third runway and expand the Terminal Two to meet the growing demand for aviation services in the next 20 years. It further expects construction works to start as early as two years later and the construction to complete by 2020.
  • It is believed that it is possible to achieve an ultimate capacity of 80 movements per hour under most ideal conditions by implementation of proper ATM/ATC measures . According to studies done by APRC, the runway system capacity may be expected to increase by roughly 20%, 30% and 40% for the closely spaced, medium spaced and wide spaced runway configurations respectively.
  • Projected Aircraft movements Projected Passenger Traffic
  • Ultimate capacity of 65 movements per hour, will be reached by as early as 2010, 2011 and 2012 under the 3%, 5% and 6.7% growth rates respectively.
  • Even after the construction of the third runway under scenario 2 with medium spaced configuration, the traffic demand will exceed the enhanced airport capacity by 2028 ,2020 and 2018 for 3% , 5% and 6.7% growth respectively.
  • The actual passenger traffic exceeds the capacity of 87 million , for which the airport was originally designed, by 2028 and 2020 for 3% and 5.4% growth rates respectively.
  • Number of additional aircrafts that can be handled by HKIA in that particular year at its new enhanced capacity
  • Under the assumption of 3% annual growth in traffic, zero discount rate and the value added per flight of US$0.0.063 million, the third runway can contribute an addition of $6.6 billion in 2021 by handling an extra of 104701 flights a year. In 2025, the extra contribution will be accumulated to $41.9 billion. Similar results have also be computed for 5% and 6.7% growth rates
  • Other Associated Costs in that particular year at its new enhanced capacity
  • Environmental Cost
  • With increase in number of flights, the resulting emissions fromthe burning of aviation fuel containing carbon dioxide (CO2) and nitrogen oxide (NOX) will also be more, both of which are estimated to contribute to global warming and climate change. .As per studies done APRC, the estimated total pollutants cost p.a. by the additional aircrafts (include selected type of aircrafts only) will be several million dollars.
  • The increased flights will also produce extra noise to the environment. The noise cost figures are generally estimated by measuring householders’ willingness to pay to reduce noise through house purchase prices.
  • Congestion Cost
  • Under congestion, aircrafts have to bear the cost of additional hours of ground holding which includes due to added fuel and crew cost.
  • More air pollutants will be emitted from the burning of extra aviation fuel.
  • On the other hand, passengers also suffer delay cost depending on the time value of each type of passengers, etc.
  • Conclusions in that particular year at its new enhanced capacity (1) Hong Kong clearly has a severe capacity problem, with congestion problems already being felt with two wide-spaced parallel runways an ultimate capacity of 65 movements per hour. (2) It is believed that under ideal conditions, the ‘ultimate capacity’ after the implementation of all the possible ATM and ATC enhancement measures has been estimated at 80 movements per hour, and after the construction of the third runway with medium-spaced configuration the capacity can further go up by 30% to 104 movements per hour. (3) According to HKIA’s more conservative forecast of traffic demand growth of 3% annually, the ultimate capacity of 65 movements could be reached by 2012. If we assume a 5% growth rate as forecasted by ICAO or actual past growth rate of 6.7% , HKIA would reach its capacity by 2011 and 2010 respectively instead. The ultimate capacity of 104 movements per hour after construction of runway and implementation of all ATM/ATC measures will be reached by 2028 for 3% growth and 2020 and 2018 itself, that is even before the first year of operation of runway, for 5% and 6.7% growth of air traffic. Similarly, the passenger handling capacity of 87 million people is expected to reach by 2028 and 2020 for growth rates of 3% and past growth rate of 5.4% respectively.. (4) One of the most significant obstacles to the consideration of the third runway for HKIA is its impact on the environment, particularly the issue of greenhouse gas emissions and the ecological impact to the oceans around HKIA (5) By using the latest official statistics, , using a “middle-of-the-road” benchmark of medium spaced configuration, it is estimated that the annual economic contribution to Hong Kong’s economy from a fully utilized 3rd runway would be 41.9 $ Billion for 3% growth rate and 64.2 $ billion for 5% and the actual past growth rate of 6.7%. Thank You in that particular year at its new enhanced capacity References in that particular year at its new enhanced capacity [1] Department of Decision Sciences and Managerial Economics, The Chinese University of Hong Kong‘HKIA’s Third Runway —The Key for Enhancing Hong Kong’s Aviation Position’ [2] A. Odoni, Lecture notes of the MIT course of 1.231: Planning and Design of Airport System (Fall 2009). [3] De Neufville, R., Odoni A. Airport Systems; Planning, Design and Management. Mc Graw Hill, 2003. [4] ‘Master Plan 2020’ ,Hong Kong International Airport, October 2001 [5] ‘Looking Forward’ , Master Plan 2030 ,Hong Kong International Airport, Annual Report 2008/09 [6] ‘National Air Traffic Services Report’ , UK, on Recommendations to enhance Hong Kong Runway Capacity by ATM and AT approaches [7] Cheung Kwok Law∗, Japhet Sebastian Law, DickySiu Man Tse, ‘An Investigation of Airspace Congestion & Possible Air Traffic Management Integration in the Pearl River Delta Region of Southern China’, APRC 2007 Online Sources [8] http://en.wikipedia.org/wiki/Hong_Kong_International_Airport [9] http://www.hongkongairport.com/eng/index.html [10] http://www.airliners.net/aviation-forums/general_aviation/read.main/2257942/ [11] http://www.likomedia.com/advantage.htm [12] http://www.association-france-hongkong.org/spip.php?article927#outil_sommaire [13] http://www.hklr-hkbcf.com [14] www.etcproceedings.org/paper/download/3203 Note: Much of the analysis relied on data originating from a wide array of data sources; airport websites, operator websites and annual reports, press releases, reports etc.
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