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Air carrier medium large transport in-flight encounter with clear air turbulence. Cabin attendant behavior personal injury. Clear air turbulence. Temporary loss of aircraft control.
| Attributes | |
| ACN | 352256 |
| Time | |
| Date | 199611 |
| Day | Wed |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : vuz |
| State Reference | AL |
| Altitude | msl bound lower : 29000 msl bound upper : 29000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | artcc : ztl |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | cruise other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 200 flight time total : 10000 flight time type : 7000 |
| ASRS Report | 352256 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : flight engineer pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 250 flight time total : 5000 flight time type : 1500 |
| ASRS Report | 352251 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude inflight encounter other non adherence : clearance other anomaly other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : regained aircraft control flight crew : returned to intended course or assigned course none taken : insufficient time |
| Consequence | other Other |
| Supplementary | |
| Primary Problem | Weather |
| Air Traffic Incident | other |
Narrative:
Encountered severe clear air turbulence on scheduled passenger flight between msy and bhm at FL290 for approximately 3-4 seconds. Altitude deviation +/- 300 ft, airspeed +/-20 KTS, +/-20 degree bank with considerable hard jolts to the aircraft. The fasten seat belt sign was on, however, the flight attendants were up conducting cabin service. There was no passenger complaints or injuries but the 'C' flight attendant, who was in the aft galley, hit her head and right thumb. Due to task saturation we failed to notify ATC of the encounter. The descent and arrival were uneventful and for postflt the aircraft was written up for the turbulence encounter. The 'C' flight attendant was taken to the hospital for x-rays and examination. Her right thumb area was bruised and no other injuries found. She was removed from the schedule as a precaution.
Original NASA ASRS Text
Title: ACR MLG INFLT ENCOUNTER WITH CLR AIR TURB. CABIN ATTENDANT BEHAVIOR PERSONAL INJURY. CLR AIR TURB. TEMPORARY LOSS OF ACFT CTL.
Narrative: ENCOUNTERED SEVERE CLR AIR TURB ON SCHEDULED PAX FLT BTWN MSY AND BHM AT FL290 FOR APPROX 3-4 SECONDS. ALTDEV +/- 300 FT, AIRSPD +/-20 KTS, +/-20 DEG BANK WITH CONSIDERABLE HARD JOLTS TO THE ACFT. THE FASTEN SEAT BELT SIGN WAS ON, HOWEVER, THE FLT ATTENDANTS WERE UP CONDUCTING CABIN SVC. THERE WAS NO PAX COMPLAINTS OR INJURIES BUT THE 'C' FLT ATTENDANT, WHO WAS IN THE AFT GALLEY, HIT HER HEAD AND R THUMB. DUE TO TASK SATURATION WE FAILED TO NOTIFY ATC OF THE ENCOUNTER. THE DSCNT AND ARR WERE UNEVENTFUL AND FOR POSTFLT THE ACFT WAS WRITTEN UP FOR THE TURB ENCOUNTER. THE 'C' FLT ATTENDANT WAS TAKEN TO THE HOSPITAL FOR X-RAYS AND EXAMINATION. HER R THUMB AREA WAS BRUISED AND NO OTHER INJURIES FOUND. SHE WAS REMOVED FROM THE SCHEDULE AS A PRECAUTION.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.