MANILA, Philippines — The entire Philippine airspace will shut down for six hours on May 17, from 12 a.m. to 6 a.m., to make way for the replacement of the uninterruptible power supply (UPS) system that failed on New Year's Day and led to a massive disruption of operations at Ninoy Aquino International Airport (Naia), the country's main gateway. Bryan Co, senior assistant general manager of the Manila International Airport Authority (MIAA), in a press briefing on Tuesday said the maintenance activity had been coordinated last week to give the airlines 'lead time' in recalibrating flight schedules and informing their passengers.

https://newsinfo.inquirer.net/1764062/airlines-asked-to-prepare-as-ph-airspace-shuts-down-for-6-hours

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