Accident Boeing 737-2H4 N28SW, Sunday 4 May 1986

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Date:	Sunday 4 May 1986
Time:	18:07 LT
Type:	Boeing 737-2H4
Owner/operator:	Southwest Airlines
Registration:	N28SW
MSN:	22730/841
Year of manufacture:	1982
Engine model:	P&W JT8-9
Fatalities:	Fatalities: 0 / Occupants: 52
Other fatalities:	0
Aircraft damage:	None
Category:	Accident
Location:	Almosa, CO - United States of America
Phase:	En route
Nature:	Passenger - Scheduled
Departure airport:	Denver International Airport, CO (DEN/KDEN)
Destination airport:	Albuquerque International Airport, NM (ABQ/KABQ)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
A SOUTHWEST AIRLINE COMPANY BOEING 737, FLT NO. 558 EN ROUTE FROM DENVER, COLORADO, TO ALBUQUERQUE, NEW MEXICO, AT FL 350, ENCOUNTERED SEVERE CLEAR AIR TURBULENCE. THE UNEXPECTED WX PHENOMENA CAUSED THE ACFT TO 'DROP' SUDDENLY RESULTING IN TWO FLT ATTENDANTS BEING INJURED. AFTER THE ACFT WAS AGAIN BROUGHT BACK TO LEVEL FLT THE REST OF THE FLT WAS UNEVENTFUL.

Probable Cause:

Accident investigation: