Accident · 2011-07-29
What the record says
- Event date
- 2011-07-29
- Event type
- Accident
- Highest injury level
- Serious injury
- Aircraft
- BOEING 747-422 (N173UA)
- Operating rule
- Part 121
- Operator
- UNITED AIRLINES, INC. Operator named in NTSB report
- Operated by (per NTSB report)
- United Airlines
Probable cause
an inadvertent encounter with convectively induced turbulence likely due to radar limitations and convective weather developing upwards into the flight path.
Source: NTSB case DCA11FA091Flight 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 |
|---|---|---|---|---|---|
| Not recorded | Airline transport pilot | Airplane | — | Class 1 | 18,500 total · 7,600 in this make/model |
Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.