FILE PHOTO: Passengers queue at Terminal 3 of the Ninoy Aquino International Airport in Pasay City as they wait to board their flights following the resumption of airport operations on January 2, 2023. INQUIRER file photo/RICHARD A. REYES

MANILA, Philippines – Air passengers should prepare for power outages at Ninoy Aquino International Airport (Naia) Terminal 3 as airport authorities carry out a series of power maintenance activities at the country's international gateway.

This is according to the Manila International Airport Authority (Miaa), which said in a statement on Thursday that power maintenance activities at Terminal 3 began on April 2 and could last until May 28 this year.

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Miaa clarified that these maintenance activities aim to replace deteriorated components of the medium voltage switchboards in eight different electrical substations in Terminal 3.

The power cuts will affect the terminal's open, multi-level parking lot, its main substation and its substations in the South and North concourses, according to airport authorities.

“As far as possible, these will begin at midnight, when the least number of flights are scheduled,” he said.

Miaa assured Naia passengers that backup generator sets will be available at each substation to provide uninterrupted power supply to critical airport systems, ensuring continuous processing of passengers and flights.

However, air travelers should expect reduced air conditioning supply in certain areas of Terminal 3 and occasional elevator and escalator breakdowns, Miaa continued.

TO READ: Electricity fluctuates at NAIA Terminal 2 on Holy Wednesday

“Miaa remains steadfast in completing these necessary and crucial upgrades while also having to deal with inevitable power outages over the course of the project,” he said.

In the same statement, Miaa General Manager, Eric Ines, sought the support of airport passengers while the agency carries out maintenance activities.

“We apologize to all stakeholders at the airport. Rest assured that the benefits of this electrical systems upgrade will far outweigh the inconveniences it may bring during its implementation. We seek more patience and understanding from everyone”, said Inês.

The energy maintenance activities, which will last more than a month, are a continuation of the upgrade of Terminal 3's electrical systems, which began in 2023.

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Naia Terminal 2 was hit by a power outage on Maundy Wednesday, March 27, due to fluctuations in electricity supply, caused by an increase in load due to the high heat index, the port previously explained. voice of Miaa, Chris Bendijo.