# Accident 20000823041179A: Bell 206B II, WA, August 23, 2000

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 23, 2000, 16:00 local time
- Place: WA
- Damage: No damage
- Operating rules: General operating rules (Part 91)
- Location: 48.5891° N, 122.1290° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=48.5891&lon=-122.1290&mi=10
- Aircraft: N90307, registered now (https://openairdocs.org/aircraft/N90307) (OpenAirDocs)
- Registry model: Bell 206B II (registry code 1181505, https://openairdocs.org/model/bell-206b-ii) (OpenAirDocs)
- Registry engine: Allison 250-C20 series (registry code 03020, https://openairdocs.org/engine/allison-250-c20-series) (OpenAirDocs)
- NTSB investigation: [NTSB SEA00LA197](https://openairdocs.org/ntsb/SEA00LA197) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20000823041179A

## Narrative

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

(-23)ACCORDING TO PILOT REPORT, AFTER LANDING AND REDUCING POWER TO IDLE, A NOISE WAS HEARD IMMEDIATELY FOLLOWED BY THE MAIN ROTOR PITCHING BACK AND TO THE LEFT. THE GYRATION OF THE MAIN ROTOR WAS VIOLENT TO THE POINT THAT THE TOES OF THE SKIDS WERE BEING LIFTED OFF THE GROUND A FOOT OR TWO WITH EACH ROTATION OF THE ROTOR AND THE AIRCRAFT MOVED BACKWARDS WITH EACH PITCH UP.  PILOT STATED THAT HE SHUT THE ENGINE DOW AND HELD COLLECTIVE FULL FORWARD UNTIL ROTOR WOUND TO A STOP.

## 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 SEA00LA197](https://openairdocs.org/ntsb/SEA00LA197), Aug 24, 2000: Bell 206BII (N90307), Newhalem, WA, substantial damage. Probable cause: Debonding between the elastomeric material and the center plate of the transmission isolation mount.

## Other reports on N90307 (1)

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

- [Accident 19910528018779A](https://openairdocs.org/incident/19910528018779A), May 28, 1991: Bell 206B1 (N90307), Brewster, WA, Substantial damage. Simulated power loss. Auto rotated to run landing in soft sand. Sudden stop damaged boom. Flew helicopter to ramp.

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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