# Accident 20110923022739A: Piper PA-12, Tyonek, AK, September 23, 2011

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 23, 2011, 22:30 local time
- Place: Tyonek, AK
- Damage: Substantial damage
- Phase of flight: Takeoff: Rotation
- Operating rules: General operating rules (Part 91)
- Location: 55.9197° N, 159.4900° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=55.9197&lon=-159.4900&mi=10
- Aircraft: N78564, registered now (https://openairdocs.org/aircraft/N78564) (OpenAirDocs)
- Registry model: Piper PA-12 (registry code 7101202, https://openairdocs.org/model/piper-pa-12) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: PIPER PA-12
- Reported engine: LYCOMING 0-320 SERIES
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Private pilot
- Pilot flight hours: 632 total, 53 in this make and model, 60 in the last 90 days
- NTSB investigation: [NTSB ANC11CA106](https://openairdocs.org/ntsb/ANC11CA106) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20110923022739A

## Narrative

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

ON 9/23/2011 AT 2230 HOURS ^PRIVACY DATA OMITTED^ A CERTIFICATED PRIVATE PILOT CERTIFICATE NUMBER ^PRIVACY DATA OMITTED^ WAS TAKING OFF IN HIS PIPER PA-12 N78564 EQUIPPED WITH 31 INCH BUSH WHEELS. ^PRIVACY DATA OMITTED^ WAS OFF AIRPORT NEAR TYE - TYONEK AIRPORT, ALASKA. ^PRIVACY DATA OMITTED^ SELECTED TAKE OFF STRIP WAS SLIGHTLY UPHILL WITH GRASSY HUMPS. ON TAKEOFF THE AIRCRAFT HIT A HUMP AND BOUNCED INTO THE AIR, HE TRIED TO KEEP IT IN THE AIR AND THE AIRCRAFT TRAVELED APPROXIMATELY 50 FEET BEFORE COMING BACK DOWN TO THE GROUND AND TRAVELING ABOUT 30 FEET INTO BUSHES. THE AIRCRAFT ULTIMATELY NOSED OVER AND CAME TO A STOP UPSIDE DOWN. THERE WAS SUBSTANTIAL DAMAGE TO THE AIRCRAFT AND THE NTSB DETERMINED THE EVENT MET THE CONDITIONS OF AN ACCIDENT.

## 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 ANC11CA106](https://openairdocs.org/ntsb/ANC11CA106), Sep 23, 2011: Piper PA-12 (N78564), Beluga, AK, substantial damage. Probable cause: The pilot's decision to take off uphill into rising terrain.

## Other reports on N78564 (1)

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

- [Accident 19860424013509A](https://openairdocs.org/incident/19860424013509A), Apr 24, 1986: Piper STCPA12 (N78564), Soldotna, AK, Substantial damage. Engine quit on a low pass over an airstrip. Hit trees during landing. Pilot said fuel outlets unported on descent.

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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