Investigation: 200005031 - Boeing Co 747-400, VH-ANA

Tab - Summary

Summary

The pilot in command of the Boeing 747 reported that while cruising at flight level 380 the aircraft encountered clear air turbulence. Although the weather forecast indicated active thunderstorms within 110 NM of the track being flown, turbulence was not forecast nor was there any indication, either visually or via the radar, that turbulence was imminent. The seat belt sign was not illuminated at the time, nor was it required to be illuminated.

Cabin crew reported that a passenger sustained a suspected broken ankle while exiting a lavatory. Another passenger, who was waiting to enter a lavatory, sustained a suspected sprained ankle. There were no other reports of injuries.

General details
Date:	27 October 2000	Investigation status:	Completed
Time:	0440 hours UTC
Location (show map):	796 km S Guam, Aero.	Investigation type:	Occurrence Investigation
State:	International
Release date:	28 May 2001	Occurrence class:	Operational
Report status:	Final	Occurrence category:	Accident
		Highest injury level:	Serious

Aircraft details
Aircraft manufacturer:	The Boeing Company
Aircraft model:	747
Aircraft registration:	VH-ANA
Serial number:	24062
Type of operation:	Air Transport High Capacity
Damage to aircraft:	Nil
Departure point:	Sydney, NSW
Destination:	Osaka, JAPAN