# Accident 19910810033099A: Bell 47G3B2, Osage Beach, MO, August 10, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 10, 1991, 20:05 local time
- Place: Osage Beach, MO
- Damage: Substantial damage
- Phase of flight: Pwr Off Run Land (Autorotation
- Operating rules: General operating rules (Part 91)
- Location: 38.1798° N, 92.6191° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=38.1798&lon=-92.6191&mi=10
- Aircraft: N61SD, registered now (https://openairdocs.org/aircraft/N61SD) (OpenAirDocs)
- Registry model: Bell 47G-3B-1 (registry code 1181028, https://openairdocs.org/model/bell-47g-3b-1) (OpenAirDocs)
- Registry engine: Lycoming TVO-435-GIA (registry code 41526, https://openairdocs.org/engine/lycoming-tvo-435-gia) (OpenAirDocs)
- Reported make and model: BELL 47G3B2
- Reported engine: LYC VO435A1F
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 1,017 total, 227 in this make and model, 159 in the last 90 days
- NTSB investigation: [NTSB CHI91LA257](https://openairdocs.org/ntsb/CHI91LA257) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910810033099A

## Narrative

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

LOST TAIL ROTOR CONTROL. YAWED. AUTOROTATED TO HARD WATER LANDING. TAILBOOM BROKE OFF DUE FAILURE CHROME TUBING.

## 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 CHI91LA257](https://openairdocs.org/ntsb/CHI91LA257), Aug 11, 1991: Bell 47G (N61SD), Lake Ozark, MO, substantial damage. Probable cause: FAILURE OF THE ROTORCRAFT'S TAIL BOOM IN FLIGHT. FACTORS RELATED TO THE ACCIDENT WERE REDUCED AIRCRAFT CONTROL AVAILABLE TO THE PILOT.

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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