DCA16CA209

NTSB accident investigation · Airbus A319 115 · Grand Cayman Island (GCM), Cayman Islands · August 3, 2016

Accident · Serious injuriesData collectionFinal report
Date
August 3, 2016, 19:45 local (23:45 UTC)
Place
Grand Cayman Island (GCM), Cayman Islands
Injuries
1 serious, 7 minor, 121 uninjured
Damage
No damage
Phase of flight
Enroute
Aircraft
N9010RAirbus A319 115
Defining event
Enroute-descent: Turbulence encounter
Weather
Visual (VMC) · Dusk
Status
Completed · report January 23, 2017
Report
Approved by Office Director
NTSB office
Major Investigations Division
Case key
93769

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

On this page

Probable cause

an inadvertent encounter with clear air turbulence.

Findings · 1

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Turbulence: clear air turbulenceEnvironmental issues › Conditions/weather/phenomena · Effect on personnelAirbus A319-115: 1 caseAll aircraft: 78 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

On August 3, 2016 at 7:45 pm eastern daylight time, American Airlines flight 1007, an Airbus A319, N9010R, encountered clear air turbulence on descent to the Owen Roberts International Airport (GCM), George Town, Cayman Islands. As a result of the turbulence, one passenger received serious injuries and four passengers and three flight attendants received minor injuries. None of the other passengers and crew were injured and the airplane was not damaged. The operator reported that while over international waters, the flight experienced moderate to severe turbulence for approximately 6-8 seconds while descending through FL180 into GCM. Both the autopilot and weather radar were on and operating at the time. The flight was in visual meteorological conditions and the crew had no warning of turbulence. The seat belt sign was on and had been on for approximately 10 minutes before the turbulence event occurred. The flight landed safely without further incident. The injured passenger was taken to the hospital and diagnosed with a fractured vertebra.

Factual narrative

On August 3, 2016 at 7:45 pm eastern daylight time, American Airlines flight 1007, an Airbus A319, N9010R, encountered clear air turbulence on descent to the Owen Roberts International Airport (GCM), George Town, Cayman Islands. As a result of the turbulence, one passenger received serious injuries and four passengers and three flight attendants received minor injuries. None of the other passengers and crew were injured and the airplane was not damaged. The operator reported that while over international waters, the flight experienced moderate to severe turbulence for approximately 6-8 seconds while descending through FL180 into GCM. Both the autopilot and weather radar were on and operating at the time. The flight was in visual meteorological conditions and the crew had no warning of turbulence. The seat belt sign was on and had been on for approximately 10 minutes before the turbulence event occurred. The flight landed safely without further incident. The injured passenger was taken to the hospital and diagnosed with a fractured vertebra.

Aircraft

Registration
N9010R
Reported as
Airbus A319 115 (115)
Category
Airplane
Serial number
5789
Built
2013
Engines
CFM Intl CFM56-5B6CFM Intl CFM56-5B6
Damage
No damage
Flight
Part 121
Operator
American Airlines
Registered owner
American Airlines
Airworthiness certificate
Standard, Transport
Departed
Grand Cayman Island (GCM), CBCJ
Destination
GCM · Grand Cayman Island
Flight plan
IFR
Equipment
Electronic primary flight display, Onboard weather, Stall warning system, Data recorder, Electronic flight bag or handheld device, Electronic multifunction display

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 · 2

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
53
Injuries
None
Certificate
Airline transport
Airplane ratings
Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Without waivers/limitations
Last flight review
June 28, 2016
Seat
Left
Flight hours
6,056 total · 1,007 in this make and model · 961 as pilot in command
Role
Co-pilot
Age
56
Injuries
None
Certificate
Airline transport
Medical
Class 1, Without waivers/limitations
Last flight review
July 7, 2016
Seat
Right
Flight hours
537 total · 65 in this make and model

Weather

Conditions
Visual (VMC) · Dusk
Wind
100° at 20 knots
Visibility
10 statute miles
Turbulence
Moderate

Docket · 1

The files NTSB released with the investigation on January 24, 2017, on NTSB’s docket system: statements, records, photos and specialists’ reports. 600 KB in all.

Other investigations on N9010R · 1

Matched to the same aircraft by N-number and date.