Narrative:

FL370 encountered severe turbulence resulting in loss of aircraft control. 4000 ft of altitude loss before control regained. Emergency declared. 2 injuries to passenger and 2 injuries to crew (flight attendants). Overweight landing accomplished at ict (wichita). Believe windshear was the cause due to transitioning frontal boundary.

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Original NASA ASRS Text

Title: TURB ENCOUNTER AT 37000 FT RESULTING IN INJURY TO PAXAND CAB CREW.

Narrative: FL370 ENCOUNTERED SEVERE TURB RESULTING IN LOSS OF ACFT CTL. 4000 FT OF ALT LOSS BEFORE CTL REGAINED. EMER DECLARED. 2 INJURIES TO PAX AND 2 INJURIES TO CREW (FLT ATTENDANTS). OVERWT LNDG ACCOMPLISHED AT ICT (WICHITA). BELIEVE WINDSHEAR WAS THE CAUSE DUE TO TRANSITIONING FRONTAL BOUNDARY.

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.