# Accident 20041017029589A: Piper PA18150, Chickaloon, AK, October 17, 2004

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: October 17, 2004, 11:30 local time
- Place: Chickaloon, AK
- Damage: Substantial damage
- Phase of flight: Level Off Touchdown
- Operating rules: General operating rules (Part 91)
- Location: 62.3789° N, 147.4744° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=62.3789&lon=-147.4744&mi=10
- Aircraft: N5057Y, registered now (https://openairdocs.org/aircraft/N5057Y) (OpenAirDocs)
- Registry model: Piper PA-18-150 (registry code 7101828, https://openairdocs.org/model/piper-pa-18-150) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: PIPER PA18150
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 360 total, 50 in this make and model, 40 in the last 90 days
- NTSB investigation: [NTSB ANC05LA009](https://openairdocs.org/ntsb/ANC05LA009) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20041017029589A

## Narrative

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

(-23) ON SUNDAY OCTOBER 17, 2004, THE PILOT AND ONE PASSENGER DEPARTED BIG LAKE (BGQ) FOR A FLIGHT TO THE BIG OSHETNA AREA. UPON ARRIVAL AT SHEFFIELD'S, A PRIVATE AIRSTRIP, THE PILOT STATED HE MADE TWO LOW PASSES TO CHECK OUT THE RUNWAY CONDITIONS, WHICH HE NOTED AS 50% COVERED WITH PATCHY SNOW, APPEARING TO BE A FEW INCHES THICK. ON THE THIRD PASS, WHILE ATTEMPTING TO TEST THE SURFACE WITH HIS WHEELS, (THE AIRCRAFT WAS EQUIPPED WITH TUNDRA TIRES), THE AIRCRAFT BROKE THROUGH CRUSTY SNOW AND WAS PULLED TO THE LEFT. THE AIRCRAFT GROUND LOOPED DAMAGING THE PROPELLER, RIGHT MAIN LANDING GEAR AND WING TIPS. NO INJURIES WERE REPORTED BY THE PILOT OR HIS SON, THE ONLY PASSENGER.

## 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 ANC05LA009](https://openairdocs.org/ntsb/ANC05LA009), Oct 17, 2004: Piper PA-18 (N5057Y), Chickaloon, AK, substantial damage. Probable cause: The pilot's failure to maintain directional control of the airplane, which resulted in a collision with terrrain during the landing roll. Factors contributing to the accident were a rough/rutted and…

## Other reports on N5057Y (2)

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

- [Accident 20190905009879A](https://openairdocs.org/incident/20190905009879A), Sep 5, 2019: Piper PA-18-150 (N5057Y), Birchwood, AK, Substantial damage. CFI lost control upon landing, may have applied brakes and the aircraft nosed over onto its back.
- [Accident 20070213002189A](https://openairdocs.org/incident/20070213002189A), Feb 13, 2007: Piper PA18150 (N5057Y), Glennallen, AK, Substantial damage. (-23) Pilot was departing grizzly lake, about 60 miles nw of Glennallen, AK, in his ski-equipped PA-18. The weather was clear skies and light and variable…

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.