Accident Lockheed L-1011-385 TriStar 1 JA8513, Monday 15 January 1979

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Date:	Monday 15 January 1979
Time:	16:49
Type:	Lockheed L-1011-385 TriStar 1
Owner/operator:	All Nippon Airways - ANA
Registration:	JA8513
MSN:	1113
Year of manufacture:	1975
Fatalities:	Fatalities: 0 / Occupants: 353
Other fatalities:	0
Aircraft damage:	Minor
Category:	Accident
Location:	near Onjuku, Chiba Prefecture - Japan
Phase:	En route
Nature:	Passenger - Scheduled
Departure airport:	Osaka International Airport
Destination airport:	Tokyo International Airport
Investigating agency:	JTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
All Nippon Airways flight 32, a Lockheed TriStar, took off from Osaka International Airport and was approaching Tokyo International Airport when it crashed at around 16:49. One passenger and two flight attendants were injured and part of the aircraft was damaged.
DFDR data revealed that the aircraft encountered turbulence with "g's" varying from plus 1.081 to minus 0.638, of about 0.5 seconds.

Cause:
It is recognized that this accident was caused by the aircraft encountering severe turbulence during its descent approach to the airport.

while en route at an altitude of 11000 ft between xa and 0jc, turbulence was encountered. the "fasten seat belt" sign had been turned on. a pax was seriously injured, and 2 cabin crew were slightly injured. the investigation of

Accident investigation: