Event Details


Title:Turbulence injury, Boeing 757-2G7, January 11, 2000
Micro summary:This Boeing 757-2G7 experienced clear air turbulence, injuring a flight attendant.
Event Time:2000-01-11 at 2151 PST
File Name:2000-01-11-US.pdf
Publishing Agency:National Transportation Safety Board (NTSB)
Publishing Country:USA
Report number:LAX00LA072
Pages:5
Site of event:Las Vegas, NV
Departure:Port Columbus International Airport, Columbus, Ohio, USA
Destination:McCarran International Airport, Las Vegas, Nevada, USA
Airplane Type(s):Boeing 757-2G7
Flight Phase:Cruise
Registration(s):N909AW
Operator(s):America West Airlines
Type of flight:Revenue
Occupants:44
Fatalities:0
Serious Injuries:1
Minor/Non-Injured:43
Other Injuries:0
Executive Summary:

NTSB short summary:

Encounter with Clear Air Turbulence. Poor communication between the captain and flight attendants as to the urgency for the flight attendants to take their seats was a contributing factor.

NTSB synopsis:

One flight attendant sustained serious injuries and another sustained minor injuries when the airplane encountered moderate to severe turbulence while in cruise flight at 35,000 feet. Approximately 2 hours from landing, the flight crew called the flight attendants to inform them that turbulence was expected (based on ATC ride reports) and to secure the cabin and galleys. The flight crew said the airplane had been slowed to 0.78 Mach when turbulence was encountered. One flight attendant, now in seat 34C, did not fasten her seatbelt immediately. She was lifted into the air during the encounter. She hit the overhead compartment and fell on an armrest and then to the floor.

NTSB factual narrative text:

On January 11, 2000, about 2151 hours Pacific standard time, America West Flight 2744, a Boeing 757-2G7, N909AW, encountered moderate to severe turbulence while cruising at 35,000 feet over Alamosa, Colorado. America West Airlines, Inc., operated the airplane as a domestic, scheduled passenger flight under the provisions of 14 CFR Part 121. The airline transport pilot rated captain, co-pilot, 2 flight attendants, and 38 passengers were not injured; 1 flight attendant suffered minor injuries while another flight attendant sustained serious injuries. The flight departed Columbus, Ohio, about 2036 eastern standard time and landed at its intended destination, Las Vegas (LAS), Nevada, at 2227 Pacific standard time. Visual meteorological conditions prevailed and an IFR flight plan had been filed.

Approximately 2 hours from landing, the flight crew called the flight attendants to inform them that turbulence was expected (based on ATC ride reports) and to secure the cabin and galleys. The flight crew said the airplane had been slowed to 0.78 Mach when turbulence was encountered. A flight attendant reported that the seatbelt sign did not illuminate immediately after announcement, so they continued service. About 10-15 minutes passed before the flight crew activated the seatbelt sign, at which point the flight attendants expedited their service tasks. (One flight attendant reported that before the seatbelt signs turned on, the turbulence had been "mild.") As the flight attendants were completing their tasks, the airplane encountered about 4 seconds of moderate to severe turbulence. The flight attendants took the most conveniently located passenger seats.

One flight attendant, now in seat 34C, did not fasten her seatbelt immediately. She was lifted into the air during the encounter. She hit the overhead compartment and fell on the armrest and then to the floor. The first flight attendant briefed the captain on the situation and verified that the passengers were uninjured. The captain contacted the contracted medical service company (Med-Link); and a Public Address (PA) announcement was made asking for onboard medical assistance. A former Emergency Medical Technician (EMT) responded and assisted the injured flight attendant. The captain reported to ATC that the flight had encountered moderate wave with "moderate turbulence plus," and recommended alternate routing for other aircraft. The flight continued to LAS without further incident.

The flight crew was drug tested (negative results), and the airplane received a structural inspection after the mishap. No structural damage was found.
Learning Keywords:Operations - Turbulence
Consequence - Flight Attendant Fatality - Injury
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