# Incident 19910808036879I: Bell 412, Gulf Of Mexico, LA, August 8, 1991

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: August 8, 1991, 08:00 local time
- Place: Gulf Of Mexico, LA
- Damage: Minor damage
- Phase of flight: Pwr Off Vert Land/Autorotate
- Operating rules: Air taxi and commuter (Part 135)
- Operator: ERA3
- Aircraft: N177EH, a cancelled registration (https://openairdocs.org/deregistered/N177EH-2004-04-16) (OpenAirDocs)
- Registry model: Bell 412 (registry code 1182202, https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Reported make and model: BELL 412
- People aboard: 13
- Fatal injuries: 0
- Pilot flight hours: 13,900 total, 8,000 in this make and model, 118 in the last 90 days
- NTSB investigation: [NTSB FTW91IA143](https://openairdocs.org/ntsb/FTW91IA143) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910808036879I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

EXPERIENCED LOSS OF TAIL ROTOR CONTROL. LANDED SAFELY IN GULF. OUTPUT COUPLING. DISENGAGED FROM SLIDING COUPLING.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB FTW91IA143](https://openairdocs.org/ntsb/FTW91IA143), Aug 8, 1991: Bell 412 (N177EH), Rowan Midland, incident, no damage. Probable cause: THE MECHANIC'S FAILURE TO ASSEMBLE THE TAIL ROTOR DRIVE SHAFT CORRECTLY AND THE SUBSEQUENT FAILURE OF THE TAIL ROTOR DRIVE SHAFT. A FACTOR WAS THE LACK OF INSPECTION PROCEDURES FOR OFFSHORE…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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