Southwest B737 near Laverne on Mar 20th 2012, moderate turbulence injures flight attendant

Last Update: October 30, 2013 / 17:25:47 GMT/Zulu time

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Incident Facts

Date of incident
Mar 20, 2012

Flight number
WN-162

Aircraft Registration
N247WN

Aircraft Type
Boeing 737-700

ICAO Type Designator
B737

A Southwest Airlines Boeing 737-700, registration N247WN performing flight WN-162 from Tampa,FL to Phoenix,AZ (USA) with 137 passengers and 5 crew, was enroute at FL380 about 5nm north of Laverne,OK at about 13:25Z when the aircraft encountered three moderate jolts. The aircraft descended to FL340 and continued to Phoenix for a safe landing about 90 minutes later.

The NTSB reported on Apr 6th 2012 that the flight attendant working in the aft galley tried to get seated and get strapped into her jumpseat but was injured. She was able to continue duties though reporting serious backpain upon arrival in Phoenix, she was not transported to a hospital. On Mar 22nd the flight attendant reported a rib fracture had been diagnosed. The occurrence has been rated an accident, an investigation is pending.

The FAA first mentioned the accident in their preliminary reports on Apr 18th 2012 stating the aircraft encountered moderate turbulence causing serious injuries to a flight attendant.

On Oct 30th 2013 the NTSB released their final report concluding the probable cause of the accident was:

The airplane’s encounter with severe turbulence during cruise flight, which resulted in a serious injury to a flight attendant.

The NTSB reported that within one second the vertical acceleration varied between 0.255G to 1.7G. Around that time the FMC's computed wind vector changed from 140 knots from 160 degrees true to 30 knots from 340 degrees true lasting for a period of about 12 minutes.
Aircraft Registration Data
Registration mark
N247WN
Country of Registration
United States
Date of Registration
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TCDS Ident. No.
Manufacturer
BOEING
Aircraft Model / Type
737-7H4
Number of Seats
ICAO Aircraft Type
B737
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Engine Count
Engine Manufacturer
Engine Model
Engine Type
Pounds of Thrust
Main Owner
Kkhmbm phgfmlqbqbdpgijhld qhkjdf phd dnndkcgdleAfqccdfnAdjilcpglllgbk epAAljilehnq dmf Subscribe to unlock
Incident Facts

Date of incident
Mar 20, 2012

Flight number
WN-162

Aircraft Registration
N247WN

Aircraft Type
Boeing 737-700

ICAO Type Designator
B737

This article is published under license from Avherald.com. © of text by Avherald.com.
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