Accident · 2025-12-16

NTSB case CEN26LA067 · MARK O TREIDEL American Ranger AR-1 · Part 91

What the record says

Event date: 2025-12-16
Event type: Accident
Highest injury level: No injuries
Aircraft: MARK O TREIDEL American Ranger AR-1 (N529MW)
Operating rule: Part 91
Operator: operator not named in the NTSB record

Probable cause

The pilot’s failure to attain rotor RPM and maintain proper rotor disc angle during takeoff which resulted in a rotor strike with the rudder.

Source: NTSB case CEN26LA067

Flight crew

Certification and experience as recorded in the NTSB accident database for this event. The NTSB records these facts about the crew's flying history; GroundCheck shows them as filed, without names or identities.

Role	Certificate	Instrument rating	Age	Medical	Flight hours
Pilot pilot flying	Sport	None	78	None	3,000 total · 1,200 in this make/model

Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.

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