Flight operations at Delhi’s Indira Gandhi International Airport (IGIA) descended into disarray on Friday morning after a technical glitch crippled the Air Traffic Control (ATC) system, delaying more than 100 flights and stranding hundreds of passengers. The snag, traced to a failure in the Automatic Message Switching System (AMSS), the communication network that powers the Auto Track System (ATS) for flight plan generation, disrupted normal air traffic coordination across northern India. Advertisement

The disruption, which began late Thursday, forced controllers at India’s busiest airport to manually prepare flight plans, a process described as “slow and cumbersome,” leading to widespread delays and airspace congestion. “The issue lies with the AMSS that supplies information for the Aut

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