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Aerotrain (KLIA)

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For other uses, see Aerotrain (disambiguation).
Aerotrain
Overview
StatusSuspended (under replacement)
OwnerMalaysia Airports Holdings Berhad
LocaleKuala Lumpur International Airport, Malaysia
Stations2
Service
TypePeople mover
Services1
Operator(s)Engineering Transportation, Malaysia Airport (Sepang) Sdn. Bhd.
Rolling stock9 × Alstom Innovia APM 300R
History
Opened1998; 26 years ago (1998)
Closed2023 (under replacement)
Technical
Track length1.2 km (0.75 mi)
CharacterServes sterile parts of the airport
Electrification600 V 50 Hz 3-phase AC third rail
Operating speedMaximum speed 56 km/h (35 mph), Minimum speed 47 km/h (29 mph)
Route map

Legend
 Terminal A
Main Terminal Mainline rail interchange 67
Operations, Maintenance
and Storage Facility
 Terminal B
under
construction
This diagram:

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

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 1 November 2010 and 15 March 2011. Passengers were transferred between the Main Terminal Building and the Satellite Building by bus shuttles during the upgrading period.[2] The Aerotrain in KLIA has been plagued by operational and maintenance issues.[3]

General information

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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.[4] The ride between the Main Terminal Building and Satellite Terminal A takes about 2.5 minutes.[5]

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 Out Of Service Mode. The Aerotrain has 4 major sub-systems, namely the Central Control System, Vehicle System, Station Automatic Train Operation (ATO) System and Power Distribution System (PDS).

The maintenance of the Aerotrain is scheduled at 10am-12pm and 12am-5am everyday, when 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 21⁄2 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

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The rolling stock is manufactured by Adtranz (merged with Bombardier Transportation in 2001) and comprises 3 CX-100 trains with 3 cars per train (originally 2 cars), of which each car has a capacity of 249.[6] The trains have an operating speed of 56 km/h (35 mph) with a 600 V 3-phase AC power supply at 50 Hz. A 75 kW (101 hp) DC electric motor (model number: 1460-P4, controlled by a thyristor drive) constitutes the propulsion system of the trains.

On 15 March 2011, a new train was 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.

On 28 December 2021, a local engineering firm, Pestech International Bhd has secured the Kuala Lumpur International Airport (KLIA) Aerotrain project for RM742.95 million, which involves the upgrade of the 1 km (0.62 mi) automated people mover system at the airport, together with the Aerotrain's operations and maintenance, for a 10-year period from 2025 to 2034. The package includes a replacement of the existing CX-100 rolling stock with the Innovia APM 300.[7]

Incidents

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On 25 December 2017, one of the trains broke down in between the two terminals and a detrainment was carried out.[8] This left the aerotrain running on a single train and free shuttle buses were provided.

On 1 March 2023, the service was suspended until further notice following an incident where the Aerotrain service broke down due to mechanical and electronic failures, resulting in 114 passengers being stranded mid-way on the tracks.[9] To take advantage of the suspension, the Aerotrain service would be replaced with new ones in 3 years time[10], as the contract for the Aerotrain service has been handed down to a new company (refer section Rolling stock).

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

See also

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References

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  1. ^ "Appendices" (PDF). United Nations Economic and Social Commission for Asia and the Pacific. Archived (PDF) from the original on 11 June 2020. Retrieved 11 June 2020.
  2. ^ Temporary Closure of Aerotrain Service at KLIA to allow upgrading of Facility
  3. ^ "KLIA aerotrain breakdown video goes viral". Retrieved 7 March 2023.
  4. ^ "Fracture Toughness of Railway Track Material Using Finite Element Analysis" (PDF). 2010. Archived (PDF) from the original on 11 June 2020.
  5. ^ "KLIA layout plan, guide on getting around the Kuala Lumpur International Airport". KLIA2. Retrieved 11 June 2020.
  6. ^ "KLIA Aerotrain Upgrade". Archived from the original on 27 September 2007.
  7. ^ "Pestech to finance, upgrade and operate KLIA Aerotrain project for RM743m". 28 December 2021.
  8. ^ Shahar, Fairuz Mohd (25 December 2017). "One KLIA aerotrain resumes service, the other still undergoing maintenance". NST Online. Archived from the original on 11 June 2020. Retrieved 11 June 2020.
  9. ^ Vasu, Priyatharisiny (2023-03-02). "MAHB suspends KLIA Aerotrain services until further notice". The Edge Markets. Retrieved 2023-03-02.
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