Aircraft Accident/Incident Report

Palacios, Texas 77465
Thursday, May 14, 1992 20:50 CDT

NTSB Narrative Summary Released at Completion of Accident

THE FLIGHT ENCOUNTERED MODERATE TURBULENCE SHORTLY AFTER ENTERING THE CLOUDS IN DARK NIGHT CONDITIONS DURING A NORMAL DESCENT. DURING THE ENCOUNTER, THE FLIGHT ATTENDANT IN THE MID-CABIN AREA SUSTAINED A BROKEN ANKLE WHEN SHE WAS THROWN TO THE FLOOR. THE SEAT BELT LIGHT WAS ILLUMINATED, HOWEVER, THE THREE FLIGHT ATTENDANTS WERE UP AND IN THE PROCESS OF CLEARING THE CABIN IN PREPARATION FOR LANDING. ALL OF THE PASSENGERS WERE SEATED. ALTHOUGH THE TURBULENCE HAD BEEN MENTIONED IN THE FORECAST, THERE HAD BEEN NO PIREP ALONG THE ROUTE OF FLIGHT.

NTSB Probable Cause Narrative

THE FLIGHT'S UNEXPECTED ENCOUNTER WITH MODERATE TURBULENCE.

Event Information

Type of Event Accident
Event Date 5/14/1992
Event Day of the Week Thursday
Time of Event 2050
Event Time Zone Central Daylight Time
Event City PALACIOS
Event State TEXAS
Event Country --
Zipcode of the event site 77465
Event Date Year 1992
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Full
Investigator's weather source Pilot
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Night/Dark
Lowest Ceiling Height 10000
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 113
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 2026
NTSB Notification Source --
NTSB Notification Date May 26 1992 12:00AM
NTSB Notification Time 1514
Fiche Number and/or location -used to find docket information 46674
Date of most recent change to record Dec 11 2000 2:55PM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N67SW
NTSB Number FTW92LA142
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 121: Air Carrier
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage None
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BOEING
Aircraft Model 737-200
Aircraft Series Identifier 737-200
Aircraft Serial Number P-3948
Certified Max Gross Weight 115500
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 130
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection May 13 1992 12:00AM
Airframe hours since last inspection 19
Airframe Hours 36420
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name SOUTHWEST AIRLINES CO.
Aircraft Owner Street Address 2832 SHORECREST DRIVE
Aircraft Owner City DALLAS
Aircraft Owner State TX
Aircraft Owner Country
Aircraft Owner Zipcode 75235
Operator is an individual? --
Operator Name SOUTHWEST AIRLINES CO.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 2832 SHORECREST DRIVE
Operator City DALLAS
Operator State TX
Operator Country
Operator Zip code 75235
Operator Code SWAA
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger/Cargo
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code HRL
Departure City HARLINGEN
Departure State TX
Departure Country
Departure Time 2019
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code HOU
Destination City HOUSTON
Destination State TX
Destination Country
Specific Phase of Flight Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Dec 20 2002 12:42PM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --