FTW96IA235

NTSB incident investigation · McDonnell Douglas MD-82 · Childress, TX · June 3, 1996

Incident · Minor injuriesIncident investigationFinal report
Date
June 3, 1996, 18:05 local (23:05 UTC)
Place
Childress, TX
Injuries
9 minor, 59 uninjured
Damage
No damage
Phase of flight
Enroute
Aircraft
N493AAMcDonnell Douglas MD-82
Weather
Instrument (IMC) · Dusk
Status
Completed · report December 16, 1996
Report
Approved by Office Director
Case key
19672

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

On this page

Probable cause

The aircraft's encounter with unforcasted and unreported severe turbulence.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

In flight encounter with weatherCruise - normal
Weather condition - turbulence in cloudsCause

Analysis

American Airlines Flight 722 originated from El Paso, Texas, and was en route to Chicago, Illinois. The aircraft was about 30 miles north of Childress, Texas, at FL330 when it encountered severe turbulence for approximately 5 seconds. The First Officer was flying the aircraft in IMC, and no cells were being painted on the aircraft's radar in the immediate area. The nearest cell being painted was approximately 20 miles right of track. The flight attendants were providing service to the passengers, the seat belt light was illuminated, and all passengers were seated. Convective sigmets 99C, 01C, and 02C were in effect for New Mexico, Texas, Oklahoma, and Kansas. The flight crew advised ATC and diverted to Oklahoma City, Oklahoma. Two flight attendants and seven passengers were taken to a local hospital, and were treated and released. An inspection of the aircraft revealed no damage, and it was released for flight.

Factual narrative

On June 3, 1996, at 1805 central daylight time, a McDonnell Douglas MD-82, N493AA, registered to and operated by American Airlines as a scheduled Title 14 CFR Part 121 flight, encountered severe turbulence 35 NM north of Childress, Texas. Two flight attendants and seven passengers sustained minor injuries and three crew members and 56 passengers were not injured. Instrument meteorological conditions prevailed and an instrument flight plan was filed. American Airlines Flight 722 originated from El Paso, Texas, and was en route to Chicago, Illinois.

The aircraft was approximately 30 miles north of Childress, Texas, at FL330 when it encountered severe turbulence for approximately 5 seconds. Fort Worth Center had issued Flight 722 a left/right deviation clearance for weather, which was about 80 miles ahead, and the aircraft was on this deviation when the turbulence was encountered. The First Officer was flying the aircraft in IMC, and no cells were being painted on the aircraft's radar in the immediate area. The nearest cell being painted was approximately 20 miles right of track. Convective sigmets 99C, 01C, and 02C were in effect for New Mexico, Texas, Oklahoma, and Kansas.

The flight attendants were providing service to the passengers, the seat belt light was illuminated, and all passengers were seated when the severe turbulence was encountered. The flight crew advised ATC and diverted to Oklahoma City, Oklahoma. The two flight attendants and seven passengers were taken to a local hospital, and were treated and released.

An inspection of the aircraft revealed no damage, and it was released for flight.

Aircraft

Registration
N493AA
Reported as
McDonnell Douglas MD-82
Category
Airplane
Serial number
49731
Engine
P&W JT8D, 20,000 lbs thrust, turbo fan
Damage
No damage
Flight
Part 121
Registered owner
American Airlines
Airworthiness certificate
Standard, Normal; Standard, Transport
Departed
ELP · El Paso, TX
Destination
ORD · Chicago, IL
Flight plan
IFR

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
57
Certificates
Commercial, Flight engineer, Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
1,583 in this make and model

Weather

Conditions
Instrument (IMC) · Dusk
Altimeter
29.00 inHg