Skywest CRJ7 near St. Louis on Aug 22nd 2017, turbulence injures flight attendant
Last Update: June 9, 2021 / 13:06:29 GMT/Zulu time
Incident Facts
Date of incident
Aug 22, 2017
Classification
Accident
Airline
Skywest Airlines
Flight number
OO-3167
Departure
Atlanta, United States
Destination
Chicago O'Hare, United States
Aircraft Registration
N745SK
Aircraft Type
Canadair CRJ-700
ICAO Type Designator
CRJ7
The FAA reported one flight attendant received injuries as result of turbulence enroute, the severity of the injuries is still being assessed.
The airline reported a flight attendant and two passengers were taken to a hospital for evaluation after the aircraft had encountered severe turbulence enroute.
The occurrence aircraft departed Saint Louis after about 2.5 hours on the ground and reached Chicago as flight OO-9851 with a delay of 3:15 hours.
On Mar 10th 2018 the NTSB released preliminary information indicating that one passenger received serious, two flight attendants and eight passengers received minor injuries in the turbulence encounter. The aircraft had been enroute at FL360 and maneouvering to avoid adverse weather.
On Jun 9th 2021 the NTSB released their final report concluding the probable cause of the accident was:
An encounter with convective turbulence while maneuvering to avoid conflicting traffic.
The NTSB analysed:
While in cruise flight around 36,000 ft, the flight crew of the scheduled domestic passenger flight was instructed by air traffic control to turn for traffic separation. The crew reported that, after completing the turn, the airplane entered a cloud and encountered severe turbulence. The seat belt sign was not activated at the time of the encounter, and of the 74 passengers and crew members aboard, one passenger received serious injuries and two flight attendants and eight passengers received minor injuries. The airplane was not damaged.
According to flight data recorder information, during the encounter, vertical acceleration ranged from - 0.8g to 1.89g, the airplane lost about 200 ft altitude in 2 seconds, and the airspeed varied by about 15 knots. The airplane entered an 11.6° nose-down pitch attitude and rolled 26 degrees to the left. The crew reported that the flight until the encounter had been smooth. They reported that they could see the cloud build-up as they were approaching it from about 80 to 100 miles away, but that their radar did not indicate that they were going to encounter convective weather.
The company's flight operations manual stated that, before entering an area of thunderstorms, pilots were required to ensure that all personnel were seated and safety belts were fastened.
Incident Facts
Date of incident
Aug 22, 2017
Classification
Accident
Airline
Skywest Airlines
Flight number
OO-3167
Departure
Atlanta, United States
Destination
Chicago O'Hare, United States
Aircraft Registration
N745SK
Aircraft Type
Canadair CRJ-700
ICAO Type Designator
CRJ7
This article is published under license from Avherald.com. © of text by Avherald.com.
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