A preliminary investigation into the fatal plane crash at Hong Kong International Airport last month has uncovered critical details about the incident. The report, released on Tuesday, indicates that the Number 4 engine of the Boeing 747 aircraft accelerated unexpectedly after the plane touched down on October 20. The aircraft, operated by Turkey-based ACT Airlines and leased by Emirates, skidded upon landing, colliding with a security patrol car and plunging both vehicles into the sea. Tragically, the two workers in the car lost their lives, while the four crew members on the plane escaped unharmed. The Transport and Logistics Bureau confirmed that flight conditions, including weather, runway status, and air traffic control, were normal prior to the accident. The Air Accident Investigation Authority classified the event as an accident, noting that the thrust lever of the Number 4 engine was in the full forward thrust position, contrary to the other engines, which were set to maximum reverse thrust. Investigators are now focusing on determining why the Number 4 engine’s thrust lever was in this position, examining potential issues with aircraft systems, engine conditions, maintenance records, and human factors. The investigation, supported by experts from Turkey’s Transport Safety Investigation Center, the U.S. National Transportation Safety Board, and Boeing, aims to produce a comprehensive report within a year.