NONE · MCDONNELL DOUGLAS 500E · 1992-04-30 · MOUNT ZION, KY, USA
Event
NTSB number
NYC92GA089
Event ID
20001211X14498
Type
Accident
Date
1992-04-30
Location
MOUNT ZION, KY, USA
Coordinates
38.779434, -84.599685
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
3
Total aboard
3
Aircraft
Make
MCDONNELL DOUGLAS
Model
500E
Registration
N97BR
FAR Part
091
Engines
1
Damage
SUBS
Conditions
Light
DAYL
Weather
VMC
Probable cause
AN IN-FLIGHT SEPARATION OF THE TAIL ROTOR ASSEMBLY AS THE RESULT OF THE LOSS OF AN ABRASION STRIP FROM THE LEADING EDGE OF ONE OF THE TAIL ROTOR BLADES, WHICH INDUCED VIBRATIONAL STRESSES HIGH ENOUGH TO INITIATE FATIGUE FAILURE IN THE TAIL ROTOR GEAR BOX MOUNTING STUDS.