N/A Airport
Aircraft Accident/Incident Report

Hemphill, Texas 75948
Friday, August 22, 2014 18:00 CDT

NTSB Narrative Summary Released at Completion of Accident

While cruising in smooth air conditions with no clouds in the area and with the autopilot on and the seat belt sign off the airplane had a brief encounter with what the flight crew described as wake turbulence. The momentary turbulence resulted in a sharp roll deviation of about 15 to 20 degrees. The turbulence lasted for less than five seconds then returned to smooth air conditions. One of the two flight attendants who had been standing in the rear galley was seriously injured and the other flight attendant sustained a minor injury. No significant turbulence had been forecast, and the flight crew had not overheard any airplanes in the area reporting turbulence. Immediately after the encounter, the airplane continued in smooth air conditions.

NTSB Probable Cause Narrative

The airplane's inadvertent encounter with wake turbulence during cruise flight, which resulted in a serious injury to a flight attendant.

Event Information

Type of Event Accident
Event Date 8/22/2014
Event Day of the Week Friday
Time of Event 1800
Event Time Zone Central Daylight Time
Event City Hemphill
Event State TEXAS
Event Country --
Zipcode of the event site 75948
Event Date Year 2014
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 311345N
Event Location Longitude 0933804W
Event Location Airport N/A
Event Location Nearest Airport ID --
Indicates whether the acc/inc occurred off or on an airport --
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source Pilot
Time of the weather observation
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID --
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) --
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) --
Wind Velocity Indicator --
Wind Gust Indicator --
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor 1
Injury Total None 52
Injury Total Serious 1
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 33460
NTSB Notification Source Direct notification to NTSB fr
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Nov 21 2014 1:50PM
User who most recently changed record latt
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N421YX
NTSB Number CEN14CA455
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 121: Air Carrier
Type of Flight Plan filed IFR
Flight plan Was Activated? Yes
Damage None
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name EMBRAER S A
Aircraft Model ERJ170-200LR
Aircraft Series Identifier 200LR
Aircraft Serial Number 17000386
Certified Max Gross Weight 85870
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats 2
Cabin Crew Seats 2
Passenger Seats --
Total number of seats on the aircraft 76
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection Aug 17 2014 12:00AM
Airframe hours since last inspection --
Airframe Hours 1581
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type Unknown
Aircraft Owner Name REPUBLIC AIRLINE INC
Aircraft Owner Street Address 8909 PURDUE RD STE 300
Aircraft Owner City INDIANAPOLIS
Aircraft Owner State IN
Aircraft Owner Country USA
Aircraft Owner Zipcode 462683152
Operator is an individual? No
Operator Name REPUBLIC AIRLINES INC
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 8909 PURDUE RD STE 300
Operator City INDIANAPOLIS
Operator State IN
Operator Country USA
Operator Zip code 462683152
Operator Code R61A
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? --
Certified for Part 133 or 137 Operation --
Operator Certificate Number R61A758X
Indicates whether an air carrier operation was scheduled or not Scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) --
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code ORD
Departure City Chicago
Departure State IL
Departure Country USA
Departure Time --
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code IAH
Destination City Houston
Destination State TX
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Nov 21 2014 1:37PM
User who most recently changed record latt
Since inspection or accident Time of Accident
Event Location Runway Number and Location N/A
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --