United B789 near Tokyo on Nov 28th 2017, two turbulence encounters cause injuries

Last Update: November 28, 2017 / 15:32:37 GMT/Zulu time

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Incident Facts

Date of incident
Nov 28, 2017

Classification
Accident

Airline
United

Flight number
UA-2

Aircraft Registration
N27958

ICAO Type Designator
B789

A United Boeing 787-900, registration N27958 performing flight UA-2 from Singapore (Singapore) to San Francisco,CA (USA), was enroute at FL350 over the South China Sea about 360nm east of Ho Chi Minh City (Vietnam) around about 04:00Z when the aircraft encountered moderate to severe turbulence causing injuries to a flight attendant. The aircraft continued towards San Francisco, climbed to FL360 later into the flight and was enroute at FL360 about 3 hours into the flight approximately 320nm south of Taipei (Taiwan) around 05:30Z when the aircraft encountered sudden severe turbulence again causing injuries to another flight attendant. The aircraft continued across the Philippine Sea and diverted to Tokyo Narita (Japan) for a safe landing to take care of the injured.

A passenger reported the crew indicated the first clear air turbulence encounter (90 minutes into the flight the aircraft was at FL350 near position N11 E112) probably was due to the weather. The crew later indicated the second encounter probably was wake turbulence and occurred at waypoint ABVAR (coordinates N19.4133 E120.6283) at crossing airways where an Asiana Boeing 747-400 flight AAR702 (editorial note: registration HL7428 performing flight OZ-702 from Manila (Philippines) to Seoul (South Korea)) tracked the crossing airway at FL370 passing the crossing point about 2 minutes prior to their aircraft. The passenger reported that second sudden turbulence took everybody at surprise. Following both turbulence encounters the aircraft continued to San Francisco, but about 90 minutes after the second encounter the crew announced they were diverting to Tokyo due to severity of one injury to have medical services take care of the injured.

The occurrence aircraft remained on the ground in Tokyo for about 2 hours, then continued and is estimated to reach San Francisco with a delay of 2.5 hours.
Incident Facts

Date of incident
Nov 28, 2017

Classification
Accident

Airline
United

Flight number
UA-2

Aircraft Registration
N27958

ICAO Type Designator
B789

This article is published under license from Avherald.com. © of text by Avherald.com.
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