# Accident 20170715009949A: Simmons Gary F STOL CH 701, Glen Ellen, CA, July 15, 2017

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 15, 2017, 12:21 local time
- Place: Glen Ellen, CA
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 38.4144° N, 122.5453° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=38.4144&lon=-122.5453&mi=10
- Aircraft: N422ES, registered now (https://openairdocs.org/aircraft/N422ES) (OpenAirDocs)
- Registry model: Simmons Gary F STOL CH 701 (registry code 05629Z3, https://openairdocs.org/model/simmons-gary-f-stol-ch-701) (OpenAirDocs)
- Registry engine: Viking 110 (registry code 63700, https://openairdocs.org/engine/viking-110) (OpenAirDocs)
- Reported make and model: SIMMONS GARY F STOL CH 701
- Reported engine: VIKING AIRCRAFT ENGINES LLC 110
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Sport pilot
- Pilot flight hours: 1,900 total, 1,520 in this make and model, 20 in the last 90 days
- NTSB investigation: [NTSB WPR17LA156](https://openairdocs.org/ntsb/WPR17LA156) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20170715009949A

## Narrative

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

N422ES, EXPERIMENTAL STOL CH 701, CRASH LANDED IN A FIELD DUE TO MECHANICAL ISSUES WITH THE ENGINE.  SUBSTANTIAL DAMAGE, NO INJURIES.

## 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 WPR17LA156](https://openairdocs.org/ntsb/WPR17LA156), Jul 15, 2017: Simmons Gary F Stol CH 701 (N422ES), Kenwood, CA, substantial damage. Probable cause: Failure of the flywheel drive assembly, which resulted in a loss of engine power and subsequent forced landing to uneven terrain.

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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