May 29, 1991
Incident
KANSAS CITY, MO
Injuries6 minor
Phase of Flight-
ConditionsUnk
OperationFAR 121
Probable Cause
INADEQUATE DESIGN BY THE MANUFACTURERS. FACTORS ASSOCIATED WITH THE INCIDENT ARE INADEQUATE CERTIFICATION/APPROVAL BY THE FEDERAL AVIATION ADMINISTRATION AND CLEAR AIR TURBULENCE.
NTSB CHI91IA175