Accident · 1991-08-26
What the record says
- Event date
- 1991-08-26
- Event type
- Accident
- Highest injury level
- Fatal injury
- Aircraft
- BELL 412 (N3909F)
- Operating rule
- Part 135
- Operator
- PETROLEUM HELI Operator named in NTSB report
- Operated by (per NTSB report)
- PETROLEUM HELICOPTERS
Probable cause
OVERHEATING AND SUBSEQUENT FAILURE OF THE NUMBER ONE TAIL ROTOR HANGER BEARING FOR AN UNDETERINED REASON, AND FAILURE OF THE TAIL ROTOR DRIVE SHAFT.
Source: NTSB case FTW91FA155Flight crew
Flight-crew details for this event aren't in the NTSB database extract we hold (its coverage starts with 2008 events) — a gap in our data, not an absence of crew.
Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.