SERS · SIKORSKY S-76A · 1992-08-07 · GRAEFENBURG, KY, USA
Event
NTSB number
NYC92GA147
Event ID
20001211X15488
Type
Accident
Date
1992-08-07
Location
GRAEFENBURG, KY, USA
Coordinates
38.190685, -84.859603
Injuries
Highest injury
SERS
Fatal
0
Serious
5
Minor
1
Uninjured
0
Total aboard
6
Aircraft
Make
SIKORSKY
Model
S-76A
Registration
N50KY
FAR Part
091
Engines
2
Damage
DEST
Conditions
Light
DAYL
Weather
VMC
Probable cause
AN INADEQUATE PREFLIGHT INSPECTION BY THE FLIGHT CREW BY FAILING TO ASSURE THAT ALL FOUR OF THE ENGINE COWLING LATCHES WERE PROPERLY SECURED, WHICH RESULTED IN SUBSEQUENT FAILURE OF SECTION II OF THE TAIL ROTOR DRIVESHAFT AFTER THE COWLING CONTACTED THE MAIN ROTOR BLADES AND TAIL ROTOR DRIVESHAFT.