The initial report, released on the ministry’s website, noted that medical causes could be ruled out as both pilots were well-rested before the flight and had no known medical conditions that could pose significant hazards, based on available history and physical examinations.

However, it also noted that initial analysis of the recovered cockpit voice recording has provided critical leads to uncovering the cause of the incident, with a focus on the aircraft flight control systems.

“Results from the pending inspection and examination of the related aircraft parts and components at the laboratories are necessary to provide collaborative and/or conclusive evidence in establishing the cause of the accident,” it said.

Transport minister Loke Siew Fook had previously said that analysis of the cockpit voice recording would help identify the reasons behind the crash, with a full report only expected to be completed in a year.

The business jet crashed off the Guthrie Corridor Expressway in Bandar Elmina, killing 10, including Pahang executive councillor and Pelangai assemblyman Johari Harun and two road users.

The aircraft was flying from Langkawi to Subang airport and had been cleared to land at 2.48pm, but crashed two minutes later.

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