In-flight encounter -- severe turbulence injury.

Attributes
ACN	320168
Time
Date	199510
Day	Mon
Local Time Of Day	0001 To 0600
Place
Locale Reference	atc facility : ttzp
State Reference	FO
Altitude	msl bound lower : 39000 msl bound upper : 40000
Environment
Flight Conditions	Mixed
Light	Night
Aircraft 1
Controlling Facilities	artcc : ttzp
Operator	common carrier : air carrier
Make Model Name	B767-200
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	cruise other
Route In Use	enroute airway : ttzp
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : flight engineer pilot : cfi pilot : atp
Experience	flight time last 90 days : 200 flight time total : 7000 flight time type : 300
ASRS Report	320168
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	altitude deviation : excursion from assigned altitude inflight encounter other other anomaly
Independent Detector	other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course flight crew : regained aircraft control flight crew : exited adverse environment
Consequence	other
Supplementary
Primary Problem	Weather
Air Traffic Incident	other

Narrative:

FL390, dark night with little or no moon, radar on maximum sensitivity of normal. Encountered severe turbulence for approximately 10 seconds. St elmo's fire was noticed with white puff of clouds. Flight attendant was injured. 1000 ft plus of altitude was instantly gained. Top of buildup was encountered with no means of identing with radar or visually. Autoplt disconnected and hand flew to correct altitude. Dispatch had paramedic meet airplane at gate, flight attendant was taken to hospital and later released.

Original NASA ASRS Text

Title: INFLT ENCOUNTER -- SEVERE TURB INJURY.

Narrative: FL390, DARK NIGHT WITH LITTLE OR NO MOON, RADAR ON MAX SENSITIVITY OF NORMAL. ENCOUNTERED SEVERE TURB FOR APPROX 10 SECONDS. ST ELMO'S FIRE WAS NOTICED WITH WHITE PUFF OF CLOUDS. FLT ATTENDANT WAS INJURED. 1000 FT PLUS OF ALT WAS INSTANTLY GAINED. TOP OF BUILDUP WAS ENCOUNTERED WITH NO MEANS OF IDENTING WITH RADAR OR VISUALLY. AUTOPLT DISCONNECTED AND HAND FLEW TO CORRECT ALT. DISPATCH HAD PARAMEDIC MEET AIRPLANE AT GATE, FLT ATTENDANT WAS TAKEN TO HOSPITAL AND LATER RELEASED.

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.