# Accident 19960716046149A: Stolac UC1, Princeton, TX, July 16, 1996

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 16, 1996, 08:00 local time
- Place: Princeton, TX
- Damage: No damage
- Operating rules: General operating rules (Part 91)
- Location: 33.1803° N, 96.5007° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=33.1803&lon=-96.5007&mi=10
- Aircraft: N9507U, a cancelled registration (https://openairdocs.org/deregistered/N9507U-2014-05-01) (OpenAirDocs)
- Registry model: Stol UC-1 (registry code 8640202, https://openairdocs.org/model/stol-uc-1) (OpenAirDocs)
- Registry engine: Lycoming I0360 series (registry code 41515, https://openairdocs.org/engine/lycoming-i0360-series) (OpenAirDocs)
- Reported make and model: STOLAC UC1
- NTSB investigation: [NTSB FTW96LA305](https://openairdocs.org/ntsb/FTW96LA305) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19960716046149A

## Narrative

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

(-23) AT CRUISE ALTITUDE OF 4500 FT, WITH ENGINES SET AT 2300 RPM AND 23 INCHES OF MANIFOLD PRESSURE, LEFT ENGINE PROPELLER WENT TO FEATHER POSITION WITHOUT INPUT OF CONTROL FROM PILOT. PROPELLER WOULD NOT COME OUT OF FEATHER POSITION. PILOT SECURED ENGINE AND AIRCRAFT ESTABLISHED 250 FPM DESCENT RATE. PILOT ELECTED GEAR UP LANDING IN GRASS FIELD, SUSTAINING A/C DAMAGE. ENGINE TO BE DISASSEMBLED, TO ESTABLISH REASON FOR UNCONTROLLED ACTION, AT PILOT'S HOME BASE. SDL FSDO TO ASSIST.

## 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 FTW96LA305](https://openairdocs.org/ntsb/FTW96LA305), Jul 16, 1996: Stol UC-1 (N9507U), Princeton, TX, substantial damage. Probable cause: improper adjustment of the left propeller governor which resulted in uncommanded feathering of the left propeller. Factors were: the airplane's inadequate engine out performance and the lack of…

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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