HAYDEN, CO, USA
N149JA
MITSUBISHI MU2B-40
THE AIRCRAFT WAS 20 FEET AGL DURING LANDING WHEN THE CREW HEARD A PROPELLER GO INTO BETA MODE AND THE AIRCRAFT YAWED TO THE RIGHT. THE PILOT LOST CONTROL OF THE AIRCRAFT AND IT COLLIDED WITH A SNOW BANK WHICH SEPARATED THE WINGS FROM THE FUSELAGE. IMPACT DAMAGE MADE IT IMPOSSIBLE TO TELL WHY THE PROPELLER WENT INTO BETA MODE.
Source: NTSB Aviation Accident Database
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