NONE · BELL 407 · 2015-11-03 · San Antonio, TX, USA
Event
NTSB number
CEN16LA027
Event ID
20151104X14945
Type
Accident
Date
2015-11-03
Location
San Antonio, TX, USA
Coordinates
29.533889, -98.469169
Injuries
Highest injury
NONE
Fatal
0
Serious
0
Minor
0
Uninjured
3
Total aboard
3
Aircraft
Make
BELL
Model
407
Registration
N496AE
FAR Part
135
Engines
1
Damage
SUBS
Conditions
Light
NITE
Weather
VMC
Probable cause
The failure of the No. 3 tail rotor adapter and shaft due to a loss of torque on the retaining nut. Contributing to the accident was the lack of a requirement to inspect the tail rotor assembly for security in the helicopter manufacturer's maintenance manual and the operator's approved aircraft inspection program.