ERA11CA327

NTSB accident investigation · Bombardier CL600-2D24 · Florence, SC · June 6, 2011

Accident · Serious injuriesData collectionFinal report
Date
June 5, 2011, 21:16 local (Jun 6, 2011, 01:16 UTC)
Place
Florence, SC
Injuries
1 serious, 88 uninjured
Damage
No damage
Phase of flight
Enroute
Aircraft
N929LRBombardier CL600-2D24
Defining event
Enroute-descent: Turbulence encounter
Weather
Visual (VMC) · Night
Status
Completed · report October 17, 2011
Report
Approved by Office Director
NTSB office
Eastern Region Aviation
Parties
FAA/FSDO
FAA report
20110605015789A
Case key
79316

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

The inadvertent in-flight encounter with turbulence, resulting in an injury to a cabin attendant.

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: convective turbulenceEnvironmental issues › Conditions/weather/phenomena · Effect on personnelBombardier CL-600-2D24: 4 casesAll aircraft: 145 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

The captain stated that he briefed the flight attendants prior the flight that it would be bumpy since they were flying around thunderstorms. While descending through 15,000 feet, the airplane encountered moderate turbulence for several seconds. According to a flight attendant, they were informing the passengers of their gates for the next connection in the destination terminal when the airplane encountered the turbulence. One of the flight attendants sustained a serious injury while the other was not injured. The airplane was not damaged and landed uneventfully at the destination airport.

Factual narrative

According to the captain, he briefed the flight attendants prior the flight that it would be bumpy since they were flying around thunderstorms. While descending through 15,000 feet, the airplane encountered moderate turbulence for several seconds. According to a flight attendant, they were informing the passengers of their gates for the next connection in the destination terminal, when the airplane encountered the turbulence. One of the flight attendants sustained a serious injury, while the other was not injured. The airplane was not damaged and landed uneventfully at the destination airport.

Aircraft

Registration
N929LR
Reported as
Bombardier CL600-2D24
Category
Airplane
Serial number
15029
Airframe hours
16,405
Engines
GE CF34 SERIES, 9,140 lbs thrust, turbo fanGE CF34 SERIES, 9,140 lbs thrust, turbo fan
Damage
No damage
Flight
Part 121
Operator
Mesa Airlines, doing business as US Airways Express
Registered owner
Wells Fargo Bank Northwest Na Trustee
Airworthiness certificate
Standard, Transport
Last inspection
Continuous airworthiness · June 5, 2011
Departed
SAV · Savahnna, GA
Destination
CLT · Charlotte, NC
Flight plan
IFR
Airport
None

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
43
Injuries
None
Certificates
Flight instructor, Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Without waivers/limitations
Last flight review
February 25, 2011
Seat
Left
Flight hours
11,600 total · 3,845 in this make and model · 9,750 as pilot in command · 193 in the last 90 days · 56 in the last 30 days · 6 in the last 24 hours
Role
Co-pilot
Age
46
Injuries
None
Certificates
Commercial, Airline transport, Flight instructor
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Without waivers/limitations
Last flight review
August 20, 2010
Seat
Right
Flight hours
5,285 total · 563 in this make and model

Weather

Conditions
Visual (VMC) · Night
Wind
40° at 5 knots
Visibility
10 statute miles
Temperature
84 °F, dew point 70 °F
Altimeter
29.92 inHg
Observed at
FLO

Docket · 3

The files NTSB released with the investigation on August 22, 2011, on NTSB’s docket system: statements, records, photos and specialists’ reports. 795 KB in all.

FAA reports on this event · 1

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