Incident Overview
On July 5, 2012, Korean Air Lines Co., Ltd. flight KAL2711, a Boeing 747-400 (registration HL7473), departed from Gimpo International Airport (GMP) in Seoul, South Korea, en route to Tokyo International Airport (HND) in Tokyo, Japan.
Turbulence Encounter
Approximately 100 miles north-northwest of HND, the aircraft encountered turbulence. The event resulted in a serious injury to one passenger.
Landing and Aftermath
The airplane landed at HND without further incident.
Investigation
The Japan Transport Safety Board (JTSB) is investigating the event. Under the provisions of ICAO Annex 13, the U.S. National Transportation Safety Board (NTSB) has appointed a U.S. Accredited Representative as the State of Manufacture.