# Accident 20100525034839A: Boeing 777-222, May 25, 2010

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 25, 2010, 08:15 local time
- Damage: No damage
- Phase of flight: Cruise/Level Flight
- Operating rules: Air carrier (Part 121)
- Operator: UALA
- Location: 62.0753° N, 48.2919° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=62.0753&lon=-48.2919&mi=10
- Aircraft: N794UA, registered now (https://openairdocs.org/aircraft/N794UA) (OpenAirDocs)
- Registry model: Boeing 777-222 (registry code 1385219, https://openairdocs.org/model/boeing-777-222) (OpenAirDocs)
- Registry engine: Pratt & Whitney PW4090 (registry code 51537, https://openairdocs.org/engine/pratt-whitney-pw4090) (OpenAirDocs)
- Reported make and model: BOEING 777-222
- Reported engine: P&W PW4000 SER
- People aboard: 209
- Fatal injuries: 0
- Other injuries: 1
- Pilot flight hours: 0 total, 0 in this make and model, 0 in the last 90 days
- NTSB investigation: [NTSB DCA10FA064](https://openairdocs.org/ntsb/DCA10FA064) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20100525034839A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

UA935 OPERATED LHR TO LAX ON 05/25/2010.  DISPATCHER'S COMMENTS ON THE FLIGHT PLAN RELEASE INDICATED "FORECAST MODERATE ENROUTE TURBULENCE FROM 69W - 77W FL300-400".  CAPTAIN BRIEFED FLIGHT ATTENDENTS OF FORECAST TURBULENCE 4:30 HRS. AFTER TAKE-OFF.  AT CRUISE ALTITUDE THE CREW REQUESTTED FL340 OR FL360.  FLIGHT WAS ASSIGNED FL320.  AT 1258Z KLM601 REPORTED SEVERE TURBULENCE AT FL320 30 MILES PRIOR TO 30W THROUGH PIREP REPORTS.  AT 1305Z UA935 ENCOUNTERED MODERATE TO SEVERE TURBULENCE FL330 40 MILES WEST OF N62W50 WITH PASSENGER /CABIN CREW INJURIES.  AT 1312Z DISPATCH NOTIFIED UA 935 OF KLM'S TURBULENCE. UA935 LANDED IN MONTREAL CANADA FOR INJURIES. NO AIRCRAFT DAMAGE.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DCA10FA064](https://openairdocs.org/ntsb/DCA10FA064), May 25, 2010: Boeing 777 (N794UA), Southern Tip of Greenland, Denmark, no damage. Probable cause: An inadvertent encounter with unforecast turbulence in cruise flight.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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