# Accident 20211205020229A: Monte Clark VANS RV8, Hamilton, MT, December 5, 2021

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 5, 2021, 14:30 local time
- Place: Hamilton, MT
- Airport: Ravalli County
- Damage: Substantial damage
- Phase of flight: Landing: Rollout
- Operating rules: General operating rules (Part 91)
- Location: 46.1517° N, 114.0728° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=46.1517&lon=-114.0728&mi=10
- Aircraft: N889WT, registered now (https://openairdocs.org/aircraft/N889WT) (OpenAirDocs)
- Registry model: Monte Clark VANS RV8 (registry code 05637LK, https://openairdocs.org/model/monte-clark-vans-rv8) (OpenAirDocs)
- Registry engine: Superior IO-360 series (registry code 59251, https://openairdocs.org/engine/superior-io-360-series) (OpenAirDocs)
- Reported make and model: MONTE CLARK VANS RV8
- Reported engine: SUPERIOR IO-360 SER
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Private pilot
- Pilot flight hours: 630 total, 100 in this make and model, 20 in the last 90 days
- NTSB investigation: [NTSB WPR22LA056](https://openairdocs.org/ntsb/WPR22LA056) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20211205020229A

## Narrative

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

DECENT TO RUNWAY REQUIRED LEFT AILERON AND SIGNIFICANT RIGHT RUDDER TO MAINTAIN RUNWAY ALIGNMENT.  TOUCHDOWN WAS POSITIVE WITH NO BOUNCE.  DURING ROLL-OUT A LEFT AND RIGHT SWERVING BEGAN AS THE TAIL WHEEL CAME DOWN, WITH A SUDDEN LEFT TURN CAUSING THE AIRCRAFT TO EXIT THE RUNWAY. THE AIRCRAFT WENT INTO A 5 FOOT DEEP, 20 FOOT WIDE SWALE AND CAME TO A SUDDEN STOP RESULTING IN DAMAGE TO LEFT WING, PROPELLER, AND SUBSTRUCTURE OF AIRCRAFT.

## 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 WPR22LA056](https://openairdocs.org/ntsb/WPR22LA056), Dec 5, 2021: Monte Clark Vans RV8 (N889WT), Hamilton, MT, substantial damage. Probable cause: The pilot’s failure to maintain directional control while landing with a crosswind.

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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