# Accident 19911109050069A: Bell 206B, Hilo, HI, November 9, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 9, 1991, 10:45 local time
- Place: Hilo, HI
- Damage: Substantial damage
- Phase of flight: Pwr On Vertical Ldng/Rtrcrft
- Operating rules: Air taxi and commuter (Part 135)
- Operator: ILNA
- Location: 19.6899° N, 155.0794° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=19.6899&lon=-155.0794&mi=10
- Aircraft: N16712, a cancelled registration (https://openairdocs.org/deregistered/N16712-2012-07-19) (OpenAirDocs)
- Registry model: Bell 206B (registry code 1181511, https://openairdocs.org/model/bell-206b) (OpenAirDocs)
- Reported make and model: BELL 206B
- Reported engine: ALLSN 250C20
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 1,600 total, 220 in the last 90 days
- NTSB investigation: [NTSB LAX92LA041](https://openairdocs.org/ntsb/LAX92LA041) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19911109050069A

## Narrative

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

ENCOUNTERED LOW CLOUDS AND RAIN. SLOWED TO TURN AROUND. LOST TAIL ROTOR CONTROL. RPM DECAY AND HARD LANDING ENSUED.

## 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 LAX92LA041](https://openairdocs.org/ntsb/LAX92LA041), Nov 9, 1991: Bell 206B (N16712), Hilo, HI, substantial damage. Probable cause: THE INADVERTENT ENCOUNTER WITH A LOSS OF TAIL ROTOR EFFECTIVENESS PHENOMENA AND THE RESULTANT PILOT INFLIGHT LOSS OF CONTROL.

## Other reports on N16712 (1)

Matched to the same aircraft by N-number and date.

- [Incident 19900719033639I](https://openairdocs.org/incident/19900719033639I), Jul 19, 1990: Bell 206B (N16712), Kealakekua, HI, Minor damage. While hovering surveyor tossed weighted marker. Struck main rotor blade. Damaged skin on blade.

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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