A Boeing 737 arriving from Corfu triggered the international hijack code 7500 and lost radio contact with controllers, grounding all flights at Nuremberg airport and sending Eurofighter jets to meet it before it landed safely at 12.16pm local time.

That sequence halted all flight operations at Nuremberg airport on 13 October 2026, after Corendon Airlines flight XR456, travelling from the Greek island of Corfu, transmitted the 7500 squawk, the code air traffic control uses to flag unlawful interference, between 8:15 and 8:28am UTC, according to The Independent. Police said on X that the pilot could no longer be reached by radio after the code was sent, and that “various alarm scrambles were then triggered” as a result, The Independent reported.

Two Eurofighter jets were scrambled to escort the aircraft, an airport spokesperson said, and had returned to base by the time the plane touched down, according to German publication Nordbayern as cited by The Independent. Flightradar24 data showed the aircraft landing safely at 12.16pm local time, according to The Sun. Corendon Airlines told The Independent the signal was sent in error, the result of a malfunction in the radio communication system, and said separately in a statement to The Sun that the fault occurred earlier in the flight, over Croatia. Germany’s Special Deployment Commando, a specialist tactical unit, was sent to the airport, The Sun reported, citing Bild. Passengers were initially kept on board the aircraft before being disembarked and bused to the arrivals hall, The Sun reported. Police later said on-site inspections “determined that there is no danger,” according to The Sun.

Why it matters to the people who run airports

Nuremberg is Bavaria’s second-busiest airport after Munich, carrying around four million passengers a year, according to The Independent, and Corendon Airlines says it carries around six million passengers annually. A full operational shutdown at a hub of that size, triggered by a single transmitted code rather than a confirmed threat, is exactly the scenario chief executives and heads of operations budget contingency hours for: aircraft diverted or held, gates and stands locked up, ground handling schedules broken, and a terminal cordoned by armed units while the cause is established. The incident followed a separate overnight disruption at the same airport, where three pilots independently reported an object near the airfield during takeoff or landing between 2am and 4am, prompting a security sweep that found no evidence of a drone, The Independent reported, citing Bild.

This is not the first time a radio fault has cascaded into a full ground stop at Nuremberg: the airport’s own earlier radio fault that sent a fake hijack code shows the failure mode recurring, which makes it a resilience line item rather than a one-off. Operations teams elsewhere have faced the same cost pressure from in-flight emergencies of other kinds, from the IndiGo power bank fire that forced an A321 diversion to Hyderabad to the Emirates A380 that diverted to Frankfurt after a medical emergency: each event forces an unplanned stand allocation, crew and handling reshuffle, and passenger rebooking cost that falls on the receiving airport, not the airline.

What to do now

Heads of security and operations should confirm that squawk-code escalation procedures, military scramble liaison and SEK-equivalent tactical response are rehearsed and timed, not just documented. Given Nuremberg’s own overnight drone scare hours earlier, airports running or upgrading perimeter and airspace detection should check what their current contracts actually cover. Procurement teams benchmarking screening capability can use the newly combined businesses at Leidos and Altaris, now operating jointly as Analogic, as one reference point when reviewing security spend. Commercial directors should model the revenue side too: a multi-hour ground stop at a four-million-passenger airport hits retail dwell time and duty-free throughput immediately, even where, as here, police confirm no danger was found.

Why was Nuremberg airport closed?

Flight operations were suspended after a Corendon Airlines Boeing 737 from Corfu transmitted the 7500 hijack code and the pilot could not be reached by radio, police said, according to The Independent. Corendon Airlines said the signal was triggered by a radio system malfunction.

Is Nuremberg airport open now?

Reports indicate flight operations have resumed following the incident, The Sun reported, after the aircraft landed safely and on-site inspections found no danger.

What is the 7500 squawk code?

It is the international transponder code pilots or crews use to signal unlawful interference, such as a hijacking, to air traffic control, as described in reporting on the incident by The Independent.

The takeaway for operators: a single transmitted code, not a confirmed threat, was enough to ground a four-million-passenger hub for hours, which is the real cost this incident puts on the balance sheet.