Individually Owned: 150,657
Corporate Owned: 137,281
San Francisco International Ai Airport
Aircraft Accident/Incident Report
Pacific Ocean, --
Tuesady, February 19, 2013 15:00 UTC
NTSB Narrative Summary Released at Completion of Accident
On February 19, 2013, about 1500 Universal Coordinated Time (UTC), N174UA, a Boeing 747-422, encountered turbulence during cruise flight over the Pacific Ocean while en route to San Francisco International Airport (SFO), San Francisco, California. United Airlines operated the airplane under the provisions of 14 Code of Federal Regulations Part 121, as an international scheduled passenger flight. The captain, 3 first officers, 14 flight attendants, and 202 passengers were not injured; one flight attendant sustained a serious injury during the turbulence event. The airplane was not damaged. The flight departed the Sydney (YSSY/SYD), Australia, airport on an instrument flight rules (IFR) flight plan about 0540 UTC.
According to United Airlines personnel, the flight experienced light to moderate turbulence; the turbulence started about 1330 UTC and continued until 1530 UTC. The seatbelt sign was illuminated, and the passengers and flight attendants had been seated for part of the time. About 1500 UTC, in the vicinity of BALKS intersection at flight level 39,000 (FL390), one of the flight attendants fell as she was walking from her bunk to the aft lavatory; when the injury occurred, the flight attendants had not been required to be seated. One of the passengers was a nurse, and attended to the injured flight attendant advising of a possible broken wrist.
After landing, the airplane was taxied to the gate, and the injured flight attendant was transported to the hospital for further evaluation. The doctor identified a broken wrist. The flight attendant was treated and released.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 2/19/2013 |
| Event Day of the Week | Tuesday |
| Time of Event | 1500 |
| Event Time Zone | Coordinated Universal Time? Same as GMT |
| Event City | Pacific Ocean |
| Event State | PACIFIC OCEAN |
| Event Country | -- |
| Zipcode of the event site | -- |
| Event Date Year | 2013 |
| Event Date Month | 2 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | 201341N |
| Event Location Longitude | 1391211W |
| Event Location Airport | San Francisco International Ai |
| Event Location Nearest Airport ID | SFO |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | 1400 |
| Degrees magnetic from airport | -- |
| Airport Elevation | 13 |
| Weather Briefing Completeness | -- |
| Investigator's weather source | Unknown |
| Time of the weather observation | |
| Direction of event from weather observation facility (degrees) | -- |
| Weather Observation Facility ID | -- |
| Elevation of weather observation facility | -- |
| Distance of event from weather observation facility (units?) | -- |
| Time Zone of the weather observation | -- |
| Lighting Conditions | -- |
| Lowest Ceiling Height | -- |
| Lowest Non-Ceiling Height | -- |
| Sky/Lowest/Cloud Conditions | -- |
| Sky Condition for Lowest Ceiling | -- |
| Visibility Runway Visual Range (Feet) | -- |
| Visibility Runway Visual Value (Statute Miles) | -- |
| Visibility (Statute Miles) | -- |
| Air Temperature at event time (in degrees celsius) | -- |
| Dew Point at event time (in degress fahrenheit) | -- |
| Wind Direction (degrees magnetic) | -- |
| Variable Wind Indicator | -- |
| Wind Speed (knots) | -- |
| Wind Velocity Indicator | -- |
| Wind Gust Indicator | -- |
| Wind Gust (knots) | -- |
| Altimeter Setting at event time (in. Hg) | -- |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | -- |
| METAR weather report | -- |
| Event Highest Injury | Serious |
| On Ground, Fatal Injuries | -- |
| On Ground, Minor Injuries | -- |
| On Ground, Serious Injuries | -- |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | 220 |
| Injury Total Serious | 1 |
| Injury Total All | 1 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | -- |
| NTSB Notification Source | FAA AWP Operations Center |
| NTSB Notification Date | -- |
| NTSB Notification Time | -- |
| Fiche Number and/or location -used to find docket information | -- |
| Date of most recent change to record | Mar 13 2013 5:43PM |
| User who most recently changed record | coos |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N174UA |
| NTSB Number | WPR13LA131 |
| Missing Aircraft Indicator | -- |
| Federal Aviation Reg. Part | Part 121: Air Carrier |
| Type of Flight Plan filed | IFR |
| Flight plan Was Activated? | Yes |
| Damage | None |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | BOEING |
| Aircraft Model | 747-422 |
| Aircraft Series Identifier | -- |
| Aircraft Serial Number | 24381 |
| Certified Max Gross Weight | -- |
| Aircraft Category | Airplane |
| Aircraft Registration Class | -- |
| Aircraft is a homebuilt? | No |
| Flight Crew Seats | -- |
| Cabin Crew Seats | -- |
| Passenger Seats | -- |
| Total number of seats on the aircraft | 495 |
| Number of Engines | 4 |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | -- |
| Date of Last Inspection | -- |
| Airframe hours since last inspection | -- |
| Airframe Hours | -- |
| ELT Installed | Unknown |
| ELT Activated | Unknown |
| ELT Aided Location of Event Site | Unknown |
| ELT Type | -- |
| Aircraft Owner Name | WILMINGTON TRUST COMPANY TRUSTEE |
| Aircraft Owner Street Address | RODNEY SQ N ATTN CORP TRUST ADMIN |
| Aircraft Owner City | WILMINGTON |
| Aircraft Owner State | DE |
| Aircraft Owner Country | USA |
| Aircraft Owner Zipcode | 19890 |
| Operator is an individual? | No |
| Operator Name | United Airlines |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | 233 South Wacker Dr |
| Operator City | Chicago |
| Operator State | IL |
| Operator Country | USA |
| Operator Zip code | 60606 |
| Operator Code | UALA |
| Owner has at least one certificate | Yes - certificate holder |
| Other Operator of large aircraft? | No |
| Certified for Part 133 or 137 Operation | -- |
| Operator Certificate Number | -- |
| Indicates whether an air carrier operation was scheduled or not | Scheduled |
| Indicates Domestic or International Flight | Domestic |
| Operator carrying Pax/Cargo/Mail | Passenger Only |
| Type of Flying (Per_Bus / Primary) | -- |
| Second Pilot on Board | Yes |
| Departure Point Same as Event | No |
| Departure Airport Code | YSSY |
| Departure City | Sydney |
| Departure State | -- |
| Departure Country | AS |
| Departure Time | 539 |
| Departure Time Zone | UTC |
| Destination Same as Local Flt | -- |
| Destination Airport Code | SFO |
| Destination City | San Franscisco |
| Destination State | CA |
| Destination Country | USA |
| Specific Phase of Flight | -- |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Mar 13 2013 5:43PM |
| User who most recently changed record | coos |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | N/A |
| Runway Length | -- |
| Runway Width | -- |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |