.png)
THE Aerotrain service at Terminal 1 of Kuala Lumpur International Airport (KLIA) will resume full 24-hour operations from midnight on 1 June after successfully completing a comprehensive reliability, safety and operational assessment programme overseen by transport authorities.
Transport Minister Anthony Loke said the restoration of round-the-clock service follows the completion of a Comprehensive Action Plan (CAP), implemented since November 2025 to ensure the system met stringent operational and safety requirements before returning to full service.
The programme was carried out in coordination with the Land Public Transport Agency (APAD) and underwent independent verification by a certified railway assessor.
Loke said the CAP involved a structured three-stage process comprising detailed inspection and rectification works, extensive system testing and validation, followed by operational trial runs designed to evaluate performance under real-world conditions.
"The CAP encompassed three structured phases, namely inspection and repair works, system testing and validation, as well as operational trial runs.
"Endurance tests were conducted over 24-hour and 48-hour periods under both passenger and non-passenger operating conditions," he said in a statement.
The successful completion of the programme paves the way for the Aerotrain to resume uninterrupted service between the airport's main terminal and satellite facilities, restoring a key component of passenger movement infrastructure at KLIA.
According to Loke, the Aerotrain system has consistently achieved 100 per cent Operational Service Availability since January 2026, demonstrating sustained reliability following the completion of upgrade and rectification works.
Despite the return to full-day operations, engineering and maintenance activities will continue as part of the airport's long-term asset management strategy.
Loke said the existing maintenance window between midnight and 5am would remain in place, with one train continuing to operate for passengers while routine inspections, servicing and engineering works are carried out on the remaining units.
This arrangement is intended to ensure that maintenance requirements can be fulfilled without disrupting passenger movements or compromising service standards.
The Ministry of Transport, through APAD, will continue exercising regulatory oversight of Aerotrain operations to ensure compliance with safety and performance requirements.
Meanwhile, Malaysia Airports will remain responsible for maintaining the service levels and operational standards established under the Comprehensive Action Plan.
The return of 24-hour Aerotrain operations represents an important step in enhancing passenger experience and operational efficiency at KLIA, reinforcing confidence in the airport's infrastructure as international travel demand continues to recover and grow. - May 31, 2026
