Incident Overview
Date: Tuesday 10 July 1984
Aircraft Type: McDonnell Douglas DC-8-61
Owner/operator: Japan Air Lines
Registration Number: JA8042
Location: 230 km NE of Manila, Philippines –
ÿ Pacific Ocean
Phase of Flight: En route
Casualties: Fatalities: 0 / Occupants: 172
Component Affected: Aircraft seat belt system.Aircraft seat belt system.
Investigating Agency: JTSBJTSB
Category: Accident
A passenger aircraft experienced severe turbulence while ascending through thin clouds, leading to a serious injury and minor injuries to several passengers and cabin attendants. The incident was triggered by the captain’s prediction of turbulence, which resulted in immediate and intense turbulence.A passenger aircraft experienced severe turbulence while ascending through thin clouds, leading to a serious injury and minor injuries to several passengers and cabin attendants. The incident was triggered by the captain’s prediction of turbulence, which resulted in immediate and intense turbulence.
Description
While climbing through FL325, the aircraft suddenly encountered severe turbulence. One pax was seriously injured, and 8 pax and 5 cabin attendants were slightly injured. Normal acceleration varied from plus 1.75 to minus 0.29 for 8 sec. Cause: The cause of this accident was that while ascending through thin clouds on a route to avoid cumulonimbus clouds on the course, the captain, who had predicted turbulence, encountered severe turbulence immediately after switching on his seat belt.
Primary Cause
Captain’s prediction of turbulence triggered severe turbulence during ascending through thin clouds.Captain’s prediction of turbulence triggered severe turbulence during ascending through thin clouds.Share on:
