BATH TWP., Mich. (WILX) - An experienced test pilot did not conduct the stall test flight that led to a deadly plane crash in Bath Township last month , according to a preliminary report from the National Transportation Safety Board.

The NTSB on Thursday released the findings of its preliminary investigation into the Oct. 16 crash that happened during a post-maintenance stall test flight, killing two pilots and a mechanic, all from Mexico.

The report, released Thursday, revealed the plane’s primary pilots conducted the stall test flight — not an experienced test pilot.

The Raytheon Hawker 800XP airplane arrived at Duncan Aviation’s maintenance facility at Battle Creek Executive Airport in March 2025 to undergo routine maintenance. Multiple routine inspections were completed on the air

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