Accident Boeing 727-222 N7449U, Saturday 23 March 1991

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Date:	Saturday 23 March 1991
Time:	19:15 LT
Type:	Boeing 727-222
Owner/operator:	United Airlines
Registration:	N7449U
MSN:	21903/1526
Year of manufacture:	1979
Engine model:	P&W JT8D-15
Fatalities:	Fatalities: 0 / Occupants: 43
Other fatalities:	0
Aircraft damage:	None
Category:	Accident
Location:	Buffalo, NY - United States of America
Phase:	En route
Nature:	Passenger - Scheduled
Departure airport:	Manchester, NH
Destination airport:	Chicago-O'Hare International Airport, IL (ORD/KORD)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
THE AIRCRAFT WAS IN CRUISE FLIGHT AT FL 310 WHEN IT ENCOUNTERED CLEAR AIR TURBULENCE. A FLIGHT ATTENDANT IN THE AFT GALLEY WAS SERIOUSLY INJURED. TWO FLIGHT ATTENDANTS IN THE CABIN, AND A PASSENGER WHO WAS IN THE LAVATORY RECEIVED MINOR INJURIES. THE WEATHER BRIEFING CONTAINED A FORECAST FOR THE POSSIBILITY OF TURBULENCE. THE FLIGHT WAS DIVERTED TO AN ALTERNATE AIRPORT TO PROVIDE MEDICAL ASSISTANCE TO THE INJURED PERSONS.

Probable Cause: A CLEAR AIR TURBULENCE ENCOUNTER.

Accident investigation: