# Accident 19901104052139A: Chris A1, Afton, WY, November 4, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 4, 1990, 16:40 local time
- Place: Afton, WY
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: General operating rules (Part 91)
- Location: 42.7203° N, 110.9205° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=42.7203&lon=-110.9205&mi=10
- Aircraft: N9609G, a cancelled registration (https://openairdocs.org/deregistered/N9609G-1991-04-19) (OpenAirDocs)
- Registry model: Christen Industries A-1 (registry code 221020X, https://openairdocs.org/model/christen-industries-a-1) (OpenAirDocs)
- Reported make and model: CHRIS A1
- Reported engine: LYC O360C1C
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 1,632 total, 365 in this make and model, 154 in the last 90 days
- NTSB investigation: [NTSB SEA91LA012](https://openairdocs.org/ntsb/SEA91LA012) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19901104052139A

## Narrative

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

ENGINE QUIT EN ROUTE. FORCE LANDED ON ROAD. HIT DITCH ON CURVE. CARB HEAT CONTROL BROKEN AND WIRED TOO OFF POSITION

## 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 SEA91LA012](https://openairdocs.org/ntsb/SEA91LA012), Nov 4, 1990: Christen Industries A-1 (N9609G), Afton, WY, substantial damage. Probable cause: AN IMPROPER MAINTENANCE MODIFICATION TO DISABLE THE CARBURETOR HEAT CONTROL BY UNKNOWN PERSONNEL.

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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