Accident · 2011-12-01
What the record says
- Event date
- 2011-12-01
- Event type
- Accident
- Highest injury level
- Serious injury
- Aircraft
- BOEING 757-222 (N547UA)
- Operating rule
- Part 121
- Operator
- UNITED AIRLINES, INC. Operator named in NTSB report
- Operated by (per NTSB report)
- United Airlines
Probable cause
The flight's encounter with known severe turbulence associated with mountain wave activity, which resulted in a flight attendant sustaining a broken ankle.
Source: NTSB case WPR12LA057Flight 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 | Airline transport pilot | Airplane | 54 | Class 1 (2011-06-23) | 11,290 total · 3,823 in this make/model |
| Co-pilot pilot flying | Airline transport pilot | Airplane | 51 | Class 2 (2011-03-21) | 9,469 total · 6,782 in this make/model |
Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.