In-flight encounter with turbulence. Passenger behavior personal injury.

Attributes
ACN	217217
Time
Date	199207
Day	Thu
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : pit
State Reference	PA
Altitude	msl bound lower : 27000 msl bound upper : 27000
Environment
Flight Conditions	IMC
Light	Night
Aircraft 1
Controlling Facilities	artcc : zob
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	cruise other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : atp
Experience	flight time last 90 days : 250 flight time total : 6500 flight time type : 700
ASRS Report	217217
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	inflight encounter : weather other anomaly other
Independent Detector	other flight crewa
Resolutory Action	none taken : insufficient time
Consequence	other
Supplementary
Primary Problem	Weather
Air Traffic Incident	Pilot Deviation other

Narrative:

Departed ord en route to pit. We had been dodging WX all evening. Both radars were in use. Were in a cloud layer (IMC) but were experiencing a smooth ride -- one area of light rain at about 9:30-10 O'clock was observed approximately 8-10 mi away. No indication of any activity appeared on the radar. Encountered moderate to severe turbulence for approximately 5 seconds. 1 passenger injury was the result. Turbulence/WX mode was in use immediately before hitting turbulence, we were asked about the WX to our left by the controller. We wonder if someone else had experienced problems along our course before and we were not informed.

Original NASA ASRS Text

Title: INFLT ENCOUNTER WITH TURB. PAX BEHAVIOR PERSONAL INJURY.

Narrative: DEPARTED ORD ENRTE TO PIT. WE HAD BEEN DODGING WX ALL EVENING. BOTH RADARS WERE IN USE. WERE IN A CLOUD LAYER (IMC) BUT WERE EXPERIENCING A SMOOTH RIDE -- ONE AREA OF LIGHT RAIN AT ABOUT 9:30-10 O'CLOCK WAS OBSERVED APPROX 8-10 MI AWAY. NO INDICATION OF ANY ACTIVITY APPEARED ON THE RADAR. ENCOUNTERED MODERATE TO SEVERE TURB FOR APPROX 5 SECONDS. 1 PAX INJURY WAS THE RESULT. TURB/WX MODE WAS IN USE IMMEDIATELY BEFORE HITTING TURB, WE WERE ASKED ABOUT THE WX TO OUR L BY THE CTLR. WE WONDER IF SOMEONE ELSE HAD EXPERIENCED PROBLEMS ALONG OUR COURSE BEFORE AND WE WERE NOT INFORMED.

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.