A routine Cathay Pacific passenger service from Hong Kong International Airport (HKG) to London Heathrow (LHR) became the subject of a NATO Quick Reaction Alert (QRA) on July 4, after the aircraft temporarily lost contact with air traffic control while overflying Romanian airspace. The incident has prompted Hong Kong’s Civil Aviation Department to order a full review of the event.
The aircraft involved, an Airbus A350-1000 registered as B-LXA, was operating flight CX257 when Romanian air traffic control was unable to establish communications at 13:42 local time. The loss of contact triggered the NATO QRA protocol, leading to the scramble of Hungarian fighter jets from Kecskemét Air Base at 13:51. The jets issued visual signals to the airliner near the Hungarian border before communications were restored. The fighter jets then returned to base.
Cathay Pacific confirmed that the situation was handled in accordance with internationally recognized procedures. “Relevant authorities arranged an interception response. Communications with the aircraft were soon restored, and the flight continued to its destination as scheduled. The aircraft remained on its approved route throughout the incident, and the safety of the aircraft and all passengers and crew members was never affected,” the airline stated. The flight crew reported the incident promptly, and an investigation is now underway.
Hong Kong Orders Review Amid NATO Scramble
Hong Kong’s Civil Aviation Department has ordered a review of the incident, focusing on communication protocols and the sequence of events that led to the loss of contact. The department is working with Romanian and Hungarian authorities, as well as NATO, to understand the root cause. The review is expected to be completed within weeks.
Hungary’s Minister of Defence, Romulusz Ruszin-Szendi, posted on social media that Romanian air traffic control was unable to establish contact with the Airbus A350 at 13:42 local time on July 4, triggering the NATO QRA. The Hungarian fighter jets were scrambled at 13:51 and issued visual signals to the airliner near the Hungarian border. Communications were later restored, and the jets returned to Kecskemét Air Base.
The A350-1000, which has a maximum capacity of 334 passengers, landed safely at London Heathrow at 15:20 GMT after a 13-hour-40-minute journey. No injuries were reported, and the aircraft sustained no damage. Flight tracking platform Flightradar24 confirmed the flight path and landing time.
This incident comes amid heightened awareness of airspace security in Eastern Europe, particularly following the conflict in Ukraine. The NATO QRA system is designed to respond to any aircraft that deviates from its flight plan or loses communication, ensuring regional security. The incident also highlights the importance of robust communication systems and the need for airlines to maintain strict adherence to air traffic control protocols.
For travel professionals, this event underscores the critical role of air traffic management and the potential for disruptions even on routine long-haul routes. It also serves as a reminder of the importance of crew training and the effectiveness of international safety procedures. The Hong Kong review will likely lead to recommendations for enhanced communication protocols, which could impact airline operations in the region.
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