# Accident 20101223054719A: Piper PA-18-150, Anderson, AK, December 23, 2010

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 23, 2010, 15:00 local time
- Place: Anderson, AK
- Damage: Substantial damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 64.3333° N, 149.7000° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=64.3333&lon=-149.7000&mi=10
- Aircraft: N40283, registered now (https://openairdocs.org/aircraft/N40283) (OpenAirDocs)
- Registry model: Piper PA-18-150 (registry code 7101828, https://openairdocs.org/model/piper-pa-18-150) (OpenAirDocs)
- Registry engine: Lycoming O-360 series (registry code 41575, https://openairdocs.org/engine/lycoming-o-360-series) (OpenAirDocs)
- Reported make and model: PIPER PA-18-150
- Reported engine: LYCOMING 0-320 SERIES
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Private pilot
- Pilot flight hours: 6,300 total, 2,000 in this make and model, 150 in the last 90 days
- NTSB investigation: [NTSB ANC11CA005](https://openairdocs.org/ntsb/ANC11CA005) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20101223054719A

## Narrative

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

PTRS # AL201101131MARK KEECH WAS INVOLVED IN AN ACCIDENT WITH HIS PERSONAL AIRCRAFT 18 MILES WEST OF CLEAR ALASKA. MR. KEECH HAD JUST SPENT 5 DAYS TRAPPING AND FLYING IN THE LAKE MINCHUMINA AREA.  HE FILLED HIS FUEL TANKS FROM JUGS AND SAID HE FILTERED THE FUEL WHEN POURED INTO THE AIRCRAFT. HE ALSO SAID WHILE HE WAS OUT THERE HE ONLY USED THE RIGHT FUEL TANK BECAUSE HE HAD A STEP ON THAT SIDE OF THE AIRCRAFT, THE LEFT TANK WAS ONLY PARTLY FULL.  THE DAY OF THE ACCIDENT HE FILLED BOTH TANKS, SUMPED THE TANKS AND FOUND NO WATER. HE DID USE A PROPANE HEATER TO PREHEAT THE AIRCRAFT ENGINE.  DURING THE FLIGHT HE SWITCH BETWEEN TANKS LIKE NORMAL DURING FLIGHT AND HAD CARBURETOR HEAT ON BECAUSE OF THE COLD TEMPERATURES WHICH WERE AROUND -22 F AT THE TIME.  AT ABOUT 1500 LOCAL AND 18 MILES WEST OF CLEAR, AK HIS ENGINE SPUTTERED AND ACTED LIKE IT WAS NOT GETTING FUEL HE SWITCHED FUEL TANKS, AND MOVED THE THROTTLE AROUND TO SEE IF IT WOULD HELP BUT IT DID NOT.  THE ENGINE QUIT AND HE HAD NO CHOICE BUT TO PUT THE AIRCRAFT DOWN AT THAT TIME DUE TO HIS ALTITUDE.  AFTER THE ACCIDENT HAPPENED MR. KEECH TOOK THE GASCOLATOR APART AND FOUND ICE CRYSTALS IN THE FUEL.

## 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 ANC11CA005](https://openairdocs.org/ntsb/ANC11CA005), Dec 23, 2010: Piper PA-18-150 (N40283), Clear, AK, substantial damage. Probable cause: The pilot's inadequate preflight inspection, which resulted in a loss of engine power due to water/ice in the fuel system.

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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