Incident Overview
Date: Friday 19 September 1980
Aircraft Type: Boeing 747-246B
Owner/operator: Japan Air Lines
Registration Number: JA8125
Location: North Pacific Ocean –
ÿ Pacific Ocean
Phase of Flight: En route
Casualties: Fatalities: 0 / Occupants: 432
Component Affected: Aircraft structural components (likely the fuselage and wings).Aircraft structural components (likely the fuselage and wings).
Investigating Agency: JTSBJTSB
Category: Accident

Japan Airlines flight 78 experienced turbulence near Honolulu International Airport at an altitude of 35,000 feet. Seven passengers were injured, one seriously. The turbulence was linked to developing CB, with tops at 30000 feet.Japan Airlines flight 78 experienced turbulence near Honolulu International Airport at an altitude of 35,000 feet. Seven passengers were injured, one seriously. The turbulence was linked to developing CB, with tops at 30000 feet.
Description
Japan Airlines flight 78 from Osaka International Airport to Honolulu International Airport at an altitude of 35,000 feet, encountered turbulence over international waters near 30 degrees north latitude and 174 degrees west longitude. Seven passengers were injured, one seriously. It is estimated that the turbulence had been associated with developing CB, with tops at 30000 ft.
Primary Cause
Developing CB turbulence.Developing CB turbulence.Share on: