Hong Kong investigators say cargo jet engine surged before fatal airport crash

Hong Kong investigators say cargo jet engine surged before fatal airport crash
A cargo plane lies partially in the sea, Hong Kong International Airport in Hong Kong, China, October 20, 2025. REUTERS
Reuters

A preliminary probe into last month’s Hong Kong airport crash found that a Turkish-operated cargo jet experienced a sudden acceleration in one engine after landing, Reuters reported.

Reuters said the Air Accident Investigation Authority (AAIA) found the flight from Dubai, operated by ACT Airlines on behalf of Emirates, had been uneventful until moments after touchdown. The Boeing 747 had been cleared to operate with a deactivated thrust reverser on engine 4, a condition permitted under aviation rules.

Investigators said the aircraft, initially flown by the first officer, lost automatic braking shortly after landing, prompting the captain to take control. Engine 4, on the far right, then accelerated unexpectedly to 90 % thrust before surging to 106–107 % within 12 seconds.

Thrust reversers were deployed on the other three engines after the jet veered left off the runway, striking a security vehicle and forcing it into the sea. Two airport workers inside the vehicle were killed in what authorities described as Hong Kong’s deadliest airport incident in more than 25 years. All four crew survived, though the aircraft was destroyed and its tail section detached on impact.

Steven Dominique Cheung, chair of the Hong Kong Professional Airline Pilots Association, told Reuters such post-landing acceleration was highly unusual. With one engine at full power and the others slowing the aircraft, maintaining control would have been impossible, he said.

Boeing referred questions to the AAIA. Emirates and ACT Airlines did not immediately comment.

The AAIA said the cause of the crash would be determined by a full investigation and that it was gathering data on technical systems, maintenance records and crew qualifications. Hong Kong’s Transport and Logistics Bureau said on Facebook it aimed to publish a final report within a year, in line with international standards.

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