# Accident 19990725009559A: Piper PA18A150, Cow Lakes, OR, July 25, 1999

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 25, 1999, 07:00 local time
- Place: Cow Lakes, OR
- Damage: Substantial damage
- Operating rules: General operating rules (Part 91)
- Location: 42.9592° N, 117.3596° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=42.9592&lon=-117.3596&mi=10
- Aircraft: N3992P, registered now (https://openairdocs.org/aircraft/N3992P) (OpenAirDocs)
- Registry model: Piper PA-18A 150 (registry code 7101837, https://openairdocs.org/model/piper-pa-18a-150) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: PIPER PA18A150
- NTSB investigation: [NTSB SEA99LA130](https://openairdocs.org/ntsb/SEA99LA130) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990725009559A

## Narrative

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

ROUGH RUNNING ENGINE, MADE EMERGENCY LANDING ON ROUGH TERRAIN. (-23)THE PILOT STATED APPROX. 30 MINUTES AFTER DEPARTURE FROM ROME AIRPORT, OREGON, THE ENGINE BEGAN TO RUN ROUGH AND LOST POWER. AFTER ACCOMPLISHING THE EMERGENCY CHECK LIST, HE DETERMINED THE PROBLEM TO BE CARBURETOR ICE. HE WAS ABLE TO MAINTAIN A STEADY ALTITUDE BUT THE TERRAIN WAS RISING AND HE COULD SEE THAT AT SOME POINT HE WOULD HIT THE GROUND. HE ATTEMPTED AN EMERGENCY LANDING AND DAMAGED THE GEAR, PROPELLOR, AND FUSELAGE FRAME.

## 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 SEA99LA130](https://openairdocs.org/ntsb/SEA99LA130), Jul 25, 1999: Piper PA-18A-150 (N3992P), Jordan Valley, OR, substantial damage. Probable cause: The pilot's inadvertent stall/mush of the aircraft while attempting a forced landing due to partial power loss of the engine. Factors include carburetor icing conditions and the pilot's improper use…

## Other reports on N3992P (2)

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

- [Accident 19940626020189A](https://openairdocs.org/incident/19940626020189A), Jun 26, 1994: Piper PA18150 (N3992P), Prineville, OR, Substantial damage. Tried to takeoff from private strip on a ridge. Wind gust cause wing to hit ground. Cartwheeled. Thunderstorm near.
- [Accident 19851003053739A](https://openairdocs.org/incident/19851003053739A), Oct 3, 1985: Piper PA18A150 (N3992P), Homer, AK, Substantial damage. Left landing gear axle broke during takeoff roll due to use of unapproved oversized tires. Bent fuselage. Wing tip.

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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