# Accident 19900621021529A: Piper STCPA18, Big Lake, AK, June 21, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 21, 1990, 19:00 local time
- Place: Big Lake, AK
- Airport: Big Lake Airport
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Operating rules: General operating rules (Part 91)
- Location: 61.5347° N, 149.8125° W: Placed by OpenAirDocs at BIG LAKE (BGQ), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.5347&lon=-149.8125&mi=10
- Aircraft: N4431Z, registered now (https://openairdocs.org/aircraft/N4431Z) (OpenAirDocs)
- Registry model: Piper PA-18-150 (registry code 7101828, https://openairdocs.org/model/piper-pa-18-150) (OpenAirDocs)
- Reported make and model: PIPER STCPA18
- Reported engine: LYC O320B2B
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 475 total, 340 in this make and model
- NTSB investigation: [NTSB ANC90LA093](https://openairdocs.org/ntsb/ANC90LA093) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900621021529A

## Narrative

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

ON TEST FLIGHT AFTER 3 YEAR REBUILD ENGINE QUIT. STRUCK DITCH. HAD RUN ENGINE LENGTHY ON GROUND WITHOUT CARB HEAT.

## 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 ANC90LA093](https://openairdocs.org/ntsb/ANC90LA093), Jun 22, 1990: Piper PA-18-160 (N4431Z), Big Lake, AK, substantial damage. Probable cause: LOSS OF ENGINE POWER FOR UNDETERMINED REASONS RESULTING IN AN OFF AIRPORT LANDING IN A DITCH.

## Other reports on N4431Z (3)

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

- [Incident 20110216004009I](https://openairdocs.org/incident/20110216004009I), Feb 16, 2011: Piper PA-18-150 (N4431Z), German Valley, IL, Minor damage. [privacy data omitted], Pilot-in-command (PIC) of N4431Z, a PA-18-150, departed from sterling rock falls, (sqi) sterling, Illinois, enroute to albertus airport…
- [Accident 19860207002399A](https://openairdocs.org/incident/19860207002399A), Feb 7, 1986: Piper PA18150 (N4431Z), Wasilla, AK, Substantial damage. Ski equipped aircraft inadvertently became airborne while taxiing on water covered ice. Lost control and hit trees.
- [Incident 19800217026589I](https://openairdocs.org/incident/19800217026589I), Feb 17, 1980: Piper PA18150 (N4431Z), Eureka, AK, Minor damage. Pilot landed on packed snow runway, and on rollout landing gear dug into snow.

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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