Investigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdms
Aviation Accident Data Summary - National Transportation Safety Board: https://app.ntsb.gov/pdf
http://registry.faa.gov/N595JB
Accident Number: DCA17CA111
Date & Time: 05/02/2017, 1930 EDT
Registration: N595JB
Aircraft: AIRBUS A320 232
Aircraft Damage: None
Defining Event: Turbulence encounter
Injuries: 1 Serious, 154 None
Flight Conducted Under: Part 121: Air Carrier - Scheduled
Analysis
On May 2, 2017 at 7:30pm eastern daylight time, JetBlue flight 1317, an Airbus A320, N595JB, encountered turbulence resulting in a serious injury to a flight attendant. The flight was a regularly scheduled flight from Boston Logan Airport (BOS), Boston, Massachusetts, to the John F Kennedy International Airport (JFK), New York, New York. There were no other injuries, and no damage to the airplane.
According to the flight attendant statements, the #3 flight attendant (FA) stated that because the ride was "slightly bumpy," she remained seated for an additional 5 to 10 minutes after the cabin received the double chime indicating that the flight had passed 10,000 feet. Once it seemed to have smoothed out, she stood up and began to prepare for cabin service. Shortly after standing up, the airplane shook violently and she was tossed off her feet and into the air and landed on her right ankle, ending up on the galley floor.
According to the flight crew statements, they had just completed a flight into BOS on a different airplane with nothing more than light turbulence on descent. Prior to the accident flight, the captain briefed the #1 FA that they had just flown in and didn't expect anything worse than light turbulence during climb out. During climb out, the flight crew indicted they were in and out of the clouds and only experience light chop. The weather radar was on but "was not painting anything." Just prior to leveling off at 14,000 feet they encountered a strong jolt of turbulence and then received a call from the cabin about the #3 flight attendant injury. At the time of the turbulence, the fasten seatbelt sign was illuminated.
The injured FA was assisted into a rear customer seat for the remainder of the flight with her foot elevated and ice applied. Because the injured FA was incapacitated, the #2 FA crewed the #3 FA position and a nonrevenue FA crewed the #2 FA position. The flight was met by emergency medical personnel and the FA was transported to a local hospital where she was diagnosed with a broken right ankle.
Probable Cause and Findings
The National Transportation Safety Board determines the probable cause(s) of this accident to be:
an inadvertent encounter with convective turbulence.
Findings
Environmental issues
Convective turbulence - Effect on personnel (Cause)
Factual Information
History of Flight
Enroute-climb to cruise
Turbulence encounter (Defining event)
Pilot Information
Certificate: Airline Transport
Age: 49
Airplane Rating(s): Multi-engine Land; Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): None
Restraint Used:
Instrument Rating(s): Airplane
Second Pilot Present: Yes
Instructor Rating(s): None
Toxicology Performed:
Medical Certification: Class 1 With Waivers/Limitations
Last FAA Medical Exam: 02/23/2017
Occupational Pilot: Yes
Last Flight Review or Equivalent: 09/27/2016
Flight Time: 11000 hours (Total, all aircraft), 6600 hours (Total, this make and model), 7400 hours (Pilot In Command, all aircraft), 232 hours (Last 90 days, all aircraft), 76 hours (Last 30 days, all aircraft), 10 hours (Last 24 hours, all aircraft)
Co-Pilot Information
Certificate: Airline Transport
Age: 52
Airplane Rating(s): Multi-engine Land
Seat Occupied: Right
Other Aircraft Rating(s): None
Restraint Used: 5-point
Instrument Rating(s):
Second Pilot Present: Yes
Instructor Rating(s):
Toxicology Performed:
Medical Certification: Class 1 Without Waivers/Limitations
Last FAA Medical Exam: 06/13/2016
Occupational Pilot: Yes
Last Flight Review or Equivalent: 10/27/2016
Flight Time: 13478 hours (Total, all aircraft), 8962 hours (Total, this make and model), 2668 hours (Pilot In Command, all aircraft), 173 hours (Last 90 days, all aircraft), 61 hours (Last 30 days, all aircraft), 6 hours (Last 24 hours, all aircraft)
Aircraft and Owner/Operator Information
Aircraft Manufacturer: AIRBUS
Registration: N595JB
Model/Series: A320 232 232
Aircraft Category: Airplane
Year of Manufacture: 2004
Amateur Built: No
Airworthiness Certificate: Transport
Serial Number: 2286
Landing Gear Type: Retractable - Tricycle
Seats: 150
Date/Type of Last Inspection:
Certified Max Gross Wt.: 169756 lbs
Time Since Last Inspection:
Engines: 2 Turbo Fan
Airframe Total Time: 50634 Hours at time of accident
Engine Manufacturer: IAE
ELT: Installed, not activated
Engine Model/Series: V2500SERIES
Registered Owner: JETBLUE AIRWAYS CORP
Rated Power: 9895 hp
Operator: jetBlue Airways
Operating Certificate(s) Held: Flag carrier (121)
Meteorological Information and Flight Plan
Conditions at Accident Site: Visual Conditions
Condition of Light: Night
Observation Facility, Elevation:
Observation Time:
Distance from Accident Site:
Direction from Accident Site:
Lowest Cloud Condition:
Temperature/Dew Point:
Lowest Ceiling:
Visibility:
Wind Speed/Gusts, Direction:
Visibility (RVR):
Altimeter Setting:
Visibility (RVV):
Precipitation and Obscuration:
Departure Point: Boston, MA (BOS)
Type of Flight Plan Filed: IFR
Destination: Queens, NY (JFK)
Type of Clearance: IFR
Departure Time: 1859
Type of Airspace: Class B
Wreckage and Impact Information
Crew Injuries: 1 Serious, 4 None
Aircraft Damage: None
Passenger Injuries: 150 None
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 1 Serious, 154 None
Latitude, Longitude: 42.210000, -71.000000 (est)
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