ATL97LA064

NTSB accident investigation · Boeing 737-200 · Atlanta, GA · April 28, 1997

Accident · Serious injuriesLimited investigationFinal report
Date
April 28, 1997, 13:30 local (17:30 UTC)
Place
Atlanta, GA
Injuries
1 serious, 7 minor, 74 uninjured
Damage
No damage
Phase of flight
Enroute
Aircraft
N14245Boeing 737-200
Weather
Instrument (IMC) · Day
Status
Completed · report January 7, 1998
Report
Approved by Office Director
FAA report
19970428040379A
Case key
3841

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

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Probable cause

The failure of the flight crew to alert the cabin crew to the possibility of turbulence, leading to a serious injury when severe turbulence was encountered..

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 weatherClimb
Weather condition - turbulenceCause
Crew/group coordination - inadequateFlightcrewCause

Analysis

Before takeoff, the flight crew was given weather information which indicated the possibility of thunderstorms and turbulence along their flight path. As they climbed through 24,000 feet, they diverted around a 'benign' looking rain shower. As they passed the rain shower, they encountered three jolts of moderate to severe turbulence. All three flight attendants were preparing to serve the cabin at this time, and one was seriously injured during the encounter. The Continental Flight Manual states that the flight crew should instruct the cabin crew to secure the cabin and be seated before an encounter with turbulence.

Factual narrative

On April 28, 1997, about 1330 eastern daylight time, a Boeing 737-200, N14245, encountered turbulence during the climb following takeoff from The William B. Hartsfield International Airport, Atlanta, Georgia. The airplane was operated as flight 1181, by Continental Airlines, Inc., under Title 14 CFR Part 121, and instrument flight rules. An instrument flight plan was filed for the scheduled, domestic, passenger flight. Instrument meteorological conditions prevailed at the time of the accident. There were serious injuries to one flight attendant, minor injuries to seven passengers, and no injuries to 70 passengers, two additional flight attendants, and the two airline transport pilots. The airplane was not damaged. The flight departed Atlanta, Georgia, about 1247, on the same day.

According to the flight crew, the flight was deviating around what the captain described as a benign looking rain shower. While passing 24,000 feet at 280 knots, the airplane encountered three jolts of moderate to severe turbulence, for a total duration of 10 seconds. The seat belt sign was illuminated. A flight attendant, who was serving passengers, received a broken ankle during the turbulence. Two passengers, who were seated at the time, complained of head and neck injuries. The flight crew declared a medical emergency, and they were given priority throughout the remainder of the flight.

The "A" flight attendant stated he and the "C" flight attendant were setting up the bar cart in the rear galley of the airplane. When they encountered severe turbulence, the "A" flight attendant stated he was wedged between the bar cart and the wall, while the "C" flight attendant was not braced. The "C" flight attendant broke his ankle during the encounter.

According to the "B" flight attendant, they were thirty or forty minutes out of Atlanta when they encountered unexpected turbulence. She was in the forward galley, and was able to quickly secure herself in the forward jumpseat. The seat belt sign was illuminated.

According to the Inflight Manual supplied by Continental Airlines, the Captain should warn flight attendants of potential weather problems before departure. Once inflight, flight attendants should initiate periodic updates from the Captain regarding weather conditions. In the event of unexpected turbulence, a flight attendant should take the nearest seat, and wait for the Captain to advise when it is safe to resume cabin duties. In the event of an expected encounter with turbulence, the Captain should make the seat belt sign announcement and instruct the cabin attendants to secure the cabin and galleys. Flight attendants should then take their seats and fasten their seatbelts.

Neither the cabin attendants or the flight crew indicated the flight crew made an announcement for the cabin crew to secure the cabin and take their seats.

According to a weather report given to the crew members before departure, light to moderate turbulence below 24,000 feet was forecast in the area. There was also a line of severe thunderstorms moving through Georgia and Florida at the time of the encounter. It contained winds gusting to 50 knots, hail with a 1 inch diameter, and cloud tops above 45,000 feet. The intensity and coverage of the thunderstorms was forecast to increase throughout the afternoon.

Aircraft

Registration
N14245
Reported as
Boeing 737-200
Category
Airplane
Serial number
20074
Airframe hours
8,294
Engine
P&W JT8D-9, 14,500 lbs thrust, turbo fan
Damage
No damage
Flight
Part 121
Registered owner
Continental Airlines, Inc
Airworthiness certificate
Standard, Transport
Last inspection
Continuous airworthiness · April 20, 1997 · 65 hours before
Departed
ATL · GA
Destination
IAH · Houston, TX
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
56
Certificates
Airline transport, Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
15,000 total · 9,000 in this make and model · 6,000 as pilot in command · 200 in the last 90 days · 60 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Instrument (IMC) · Day
Wind
Variable at 4 knots
Visibility
0.25 statute miles
Lowest ceiling
100 ft overcast
Temperature
61 °F, dew point 61 °F
Altimeter
29.00 inHg
Observed at
ATL, 100 nm away

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.