# Incident 19860409022679I: Piper PA30, Great Falls, MT, April 9, 1986

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: April 9, 1986, 12:30 local time
- Place: Great Falls, MT
- Airport: Great Falls International
- Phase of flight: Sfl Cruise
- Operating rules: Pilot school (Part 141)
- Location: 47.4823° N, 111.3703° W: Placed by OpenAirDocs at GREAT FALLS INTL (GTF), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.4823&lon=-111.3703&mi=10
- Aircraft: N33MA, a cancelled registration (https://openairdocs.org/deregistered/N33MA-2012-10-02) (OpenAirDocs)
- Registry model: Piper PA-30 (registry code 7103002, https://openairdocs.org/model/piper-pa-30) (OpenAirDocs)
- Registry engine: Lycoming IO-320 series (registry code 41509, https://openairdocs.org/engine/lycoming-io-320-series) (OpenAirDocs)
- Reported make and model: PIPER PA30
- Reported engine: LYC IO320B1A
- Fatal injuries: 0
- Pilot flight hours: 6,200 total, 350 in this make and model, 100 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19860409022679I

## Narrative

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

UNABLE TO RESTART ENGINE AFTER SIMULATING ENGINE OUT.RETURNED AND FOUND HEAVY CARBON DEPOSITS ON VOLTAGE REGULATOR.

## Other reports on N33MA (1)

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

- [Incident 19910329018079I](https://openairdocs.org/incident/19910329018079I), Mar 29, 1991: Piper PA30 (N33MA), Missoula, MT, Minor damage. Rough engine on climb. Returned. Lost directional control. Departed runway. Fuel transfer pump switch failed.

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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