Aerotrain (KLIA)

The Aerotrain is an automated people mover (APM) system located within the Kuala Lumpur International Airport in Malaysia.[1]

Aerotrain
Overview
TypePeople mover
StatusOperational
LocaleKuala Lumpur International Airport, Malaysia
Stations2
Services1
Operation
Opened1998
OwnerMalaysia Airports Holdings Berhad
Operator(s)Engineering Transportation, Malaysia Airport (Sepang) Sdn. Bhd.
CharacterServes sterile parts of the airport
Rolling stock3-car 2 trainsets of Bombardier Innovia APM 100
Technical
Track length1.2 km (0.75 mi)
Operating speedMaximum speed 56.3 km/h (35 mph), Minimum speed 46.7 km/h (29 mph)
Highest elevationPartially underground
Route map

 Terminal A
Main Terminal
67
Operations, Maintenance
and Storage Facility
Terminal B
under construction

Opened in 1998 along with the airport, the Aerotrain system consists of two stations, one in the Main Terminal Building and the other in Satellite Building A. The system is the only means of transport for passengers between the two terminals.

Upgrading works on the Aerotrain had caused the service to be suspended between November 1, 2010 and March 15, 2011. Passengers were transferred between the Main Terminal Building and the Satellite Building by bus shuttles during the upgrading period.[2]

General information

The Aerotrain is fully automated and driverless. Usually, two trains ply between the two stations. In accordance with the Spanish solution, when the train reaches the platform, the exit doors will open first for passengers to disembark, after which the entrance door on the other side will open.

Part of the train track goes underground to cross the taxiway.[3] The ride between the Main Terminal Building and Satellite Terminal A takes about 2.5 minutes.[4]

The Aerotrain supported various operating modes such as Synchronized Double Shuttle Mode, Offset synchronized Double Shuttle Mode, Unsynchronized Double Shuttle Mode, Single Shuttle Mode, On-Call Mode, Test Train Mode and lastly Out Of Service Mode. The Aerotrain has 4 major sub-systems which is the Central Control System, Vehicle System, Station Automatic Train Operation (ATO) System and Power Distribution System (PDS). The trains have an operating speed of 56 km/h with a 3-phase 600 V power supply at 50 Hz. A 100 hp DC Electric Motor constitutes the propulsion system of the trains.

The maintenance of the Aerotrain is scheduled at 1000hrs till 1200hrs and 0000hrs till 0500hrs everyday. During those periods, only one of the trains will be running for operation and the other one will undergo maintenance works and safety checks. The frequency of the train decreases from every 2.5 minutes to every 5 minutes during the maintenance periods.

The Aerotrain heading towards the Main Terminal Building. One can see that the tracks go under the taxiway.

Rolling stock

The rolling stock is manufactured by Adtranz (acquired by Bombardier Transportation). It comprises three Innovia APM 100 trains with three cars per train (originally two cars), of which each car has a capacity of 249.[5]

On March 15, 2011, a new train has been added to the fleet which is known as Train 3. The addition is made to cover the shortfall of the Aerotrain system when either Train 1 or Train 2 is scheduled for an overhaul programme. The overhaul programme is necessary as both Train 1 and Train 2 has been in use for 13 years.

Incidents

On 25 December 2017, one of the trains broke down in between the two terminals and a detrainment was carried out.[6] This left the aerotrain running on a single train and free shuttle buses were provided.

  • KLIA Aerotrain station at Satellite A Building
  • The interior of a KLIA Aerotrain.
  • Overhaul Program Underframe
  • Installation of New Drive Axle Assembly
  • Overhaul Program In Progress
  • Wayside Track Maintenance
  • Lift Up Vehicle Process at KLIA MAHB Operations, Maintenance and Storage Facility (OMSF)
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See also

References
  1. "Appendices" (PDF). United Nations Economic and Social Commission for Asia and the Pacific. Retrieved June 11, 2020.
  2. Temporary Closure of Aerotrain Service at KLIA to allow upgrading of Facility
  3. "Fracture Toughness of Railway Track Material Using Finite Element Analysis" (PDF). 2010.
  4. "KLIA layout plan, guide on getting around the Kuala Lumpur International Airport". KLIA2. Retrieved 2020-06-11.
  5. KLIA Aerotrain Upgrade Archived September 27, 2007, at the Wayback Machine
  6. Shahar, Fairuz Mohd (2017-12-25). "One KLIA aerotrain resumes service, the other still undergoing maintenance". NST Online. Retrieved 2020-06-11.
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