NTSB Identification: DEN06LA095.
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Scheduled 14 CFR United Airlines
Accident occurred Friday, July 07, 2006 in Masonville, CO
Probable Cause Approval Date: 10/31/2006
Aircraft: Airbus A319-131, registration: N839UA
Injuries: 1 Serious,110 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The crew reported that the flight had been smooth, the "fasten seatbelt sign" was off, and passengers were allowed to get up and move around the cabin. According to the passenger, she was exiting the aft lavatory when the airplane encountered some turbulence. She stated that she felt as if she was being "jammed" to the floor, and felt her right ankle and leg "go" before she fell to the floor. She sustained serious injury to her right ankle. There were no airmen's meteorological information or significant meteorological information issued for turbulence for the area at the time of the accident. No other injuries were reported and the airplane landed without further incident.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

the flight's encounter with unexpected turbulence, which resulted in a passenger sustaining a fractured ankle.

Full narrative available

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