Now Italy Joins US, UK, Brazil, France, India, Czech Republic, Hungary, Switzerland, and More in the Growing List of Nations Hit by Radar and IT Outages Crippling Global Air Travel

Italy has now joined the United States, United Kingdom, Brazil, France, Philippines, India, Czech Republic, Hungary, Switzerland, and more in a growing global crisis, after a radar and communication failure at Milan’s Area Control Centre grounded nearly 350 flights and crippled air travel across northern Italy. The outage, which struck on Saturday evening, forced airports in Milan, Bergamo, and Turin to suspend operations for nearly two hours, disrupting flights from major carriers including Ryanair, easyJet, ITA Airways, and TAP Air Portugal. With passengers stranded and systems offline, Italy became the latest in a long list of nations facing severe air traffic chaos triggered by radar blackouts or IT infrastructure failures—highlighting the fragile digital backbone of global aviation.

The incident in Italy is the latest reminder that the global aviation network—highly sophisticated but increasingly reliant on fragile digital systems—is under strain. From outdated infrastructure to software crashes, nations around the world are scrambling to modernize systems and prevent future breakdowns that leave passengers stranded and airlines overwhelmed.

Italy’s Milan Radar Breakdown Shuts Down Northern Airspace

On the evening of June 29, 2025, Milan’s Area Control Centre suffered a critical data transmission failure around 9:00 PM local time. Radar and communication systems went dark, paralyzing flights at Malpensa, Bergamo, Turin, and nearby airports. The outage forced controllers to suspend all takeoffs and landings across the northern airspace for nearly two hours.

The result? 366 flights were disrupted—with 190 delays and 23 cancellations at Malpensa, 114 delays and 13 cancellations at Bergamo, and another 22 delays and 4 cancellations at Turin. Carriers like Ryanair, easyJet, Vueling, ITA Airways, TAP Air Portugal, SAS, Emirates, Delta, and Air France were forced to divert, cancel, or hold flights on the tarmac.

Passengers faced overcrowded terminals, malfunctioning air conditioning, and minimal communication. Greek travelers on Aegean Airlines flight A3665 reported being stranded without updates or assistance, highlighting the helplessness of many caught in the disruption.

United States – Nationwide Ground Stop and Radar Failures

In January 2023, the Federal Aviation Administration’s NOTAM system—which alerts pilots to safety issues—collapsed due to a corrupted database file. That crash triggered the first nationwide ground stop since 9/11, grounding over 32,000 flights and delaying thousands more across the country.

Later, in April and May 2025, radar and communication outages struck Newark Liberty International Airport, causing hundreds of delays and cancellations. The issue was traced to deteriorating copper wiring and outdated radar equipment at the Newark TRACON facility, underscoring the growing pressure on aging US infrastructure.

United Kingdom – £100 Million ATC Failure

On August 28, 2023, the UK’s air traffic control system—managed by NATS—suffered a catastrophic failure after a single corrupt flight plan crashed the automated flight planning software. The system shut down in 20 seconds. Air traffic controllers were forced to manually process flight plans, reducing capacity from 400 flights per hour to just 60.

In total, over 2,000 flights were grounded or delayed, affecting more than 700,000 passengers and costing the UK aviation sector an estimated £100 million. The incident exposed a critical lack of safeguards in place for system resilience.

Brazil – Communications Outage Paralyzed Airspace

Brazil was among the first countries to face a major aviation system failure in the modern digital era. In July 2007, a short-circuit disrupted communications at CINDACTA-4, one of the country’s main air traffic control centers. The event grounded nearly half of all flights nationwide for several hours, exposing deep vulnerabilities in Brazil’s airspace control systems.

France – Radar System Glitch at Paris-Orly

In May 2025, France’s Paris-Orly Airport suffered a severe air traffic control systems glitch that forced dozens of flights to be delayed or canceled mid-day. Officials at DGAC later confirmed a malfunction in radar processing systems, which left controllers blind to aircraft locations over segments of the Paris region. Approximately 130 flights were impacted, with ripple effects across France’s dense domestic and European routes.

Philippines – Entire Airspace Shut Down on New Year’s Day

On January 1, 2023, a nationwide power and radar systems failure grounded flights across the Philippines. The country’s Air Traffic Management Center in Manila experienced a dual breakdown: first, an uninterruptible power supply failure, and then equipment overload that knocked out communications and radar feeds.

As a result, 282 flights were canceled or delayed, and over 56,000 travelers were left stranded during one of the year’s busiest travel days. The government faced immediate backlash for the outdated systems and lack of a proper contingency plan.

India – Global IT Collapse Grounds Major Carriers

India was one of the worst-affected nations during the July 2024 global IT outage caused by a flawed CrowdStrike software update tied to Microsoft. The crash disabled key airport systems including check-in terminals, flight dispatch platforms, and passenger data servers.

At the height of the disruption, over 200 domestic and international flights were canceled across India, with IndiGo alone grounding 192 flights. Airports in Delhi, Mumbai, and Bangalore turned to manual check-ins, but thousands of passengers missed connections or were stuck waiting for hours.

Hong Kong – IT Meltdown Freezes Airport Operations

Also during the July 2024 IT outage, Hong Kong International Airport suffered extensive system downtime. Carriers such as Cathay Pacific and Hong Kong Express were forced to check in passengers manually and write boarding passes by hand. Flights were delayed for hours, and baggage handling was disrupted throughout the day.

Passengers flooded social media with complaints about a total lack of updates and widespread terminal confusion.

Czech Republic, Hungary, and Switzerland – Systemic Airport Failures

The same global IT incident knocked out airport systems in Prague, Budapest, and Zurich, leading to check-in failures and halted boarding processes. All three countries saw waves of flight delays, some exceeding five hours, as airport teams rushed to activate manual backups.

With airline and airport IT systems increasingly interconnected, even local outages had region-wide impacts—especially for flights across the Schengen zone.

Italy has now joined the United States, United Kingdom, Brazil, France, Philippines, India, Czech Republic, Hungary, Switzerland, and more after a radar and communication failure at Milan’s Area Control Centre grounded nearly 350 flights and disrupted air travel across northern Italy. The outage, caused by a critical data transmission breakdown, forced major airports to halt operations and pushed Italy into the growing list of nations hit by aviation system collapses.

A Fragile Future for Global Aviation

What ties these countries together isn’t just geography—it’s vulnerability. The aviation sector, once built on rugged radio towers and radar dishes, now depends on software, cloud servers, and high-speed digital systems that are surprisingly fragile. A single bug, corrupt update, or outdated cable can bring down a nation’s entire airspace.

Italy’s incident is a new addition to this global pattern—an urgent wake-up call. As travel demand surges and airlines add more capacity post-pandemic, the world’s aviation infrastructure faces mounting pressure to modernize. Without urgent investment in resilient systems and real-time redundancy, these kinds of outages won’t just be occasional glitches—they’ll become the new normal.

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