# NTSB investigations: Lake LA-4-200, WA

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB WPR26LA090](https://openairdocs.org/ntsb/WPR26LA090.md): Lake LA-4-200 · Dewey, WA · Accident · No injuries · Class 3 · Limited · Preliminary report · Jan 17, 2026 · N48X · Substantial damage
  > On January 16, 2026, at 1609 Pacific daylight time, a Lake LA-4-200, N48X sustained substantial damage when it was involved in an accident near Dewey, Washington. The flight instructor and student pilot were uninjured. The amphibious airplane was operated as…
- [NTSB SEA04LA055](https://openairdocs.org/ntsb/SEA04LA055.md): Lake LA-4-200 · Cusick, WA · Accident · No injuries · Limited investigation · Final report · Mar 14, 2004 · N65675 · Substantial damage
  > The pilot's failure to adequately compensate for crosswind conditions and his failure to maintain proper alignment in the direction of landing during the touchdown portion of a water landing on a river. Factors include crosswind conditions.
- [NTSB SEA93FA091](https://openairdocs.org/ntsb/SEA93FA091.md): Lake LA-4-200 · Gold Bar, WA · Accident · 4 fatal · Field investigation · Final report · Apr 4, 1993 · N39375 · Substantial damage
  > The pilot's failure to maintain adequate airspeed while maneuvering for a water landing.
- [NTSB SEA90LA132](https://openairdocs.org/ntsb/SEA90LA132.md): Lake LA-4-200 · Bellingham, WA · Accident · No injuries · Limited investigation · Final report · Jul 13, 1990 · N6686L · Substantial damage
  > Collision with a submerged object.
- [NTSB SEA89FA068](https://openairdocs.org/ntsb/SEA89FA068.md): Lake LA-4-200-EP · Bellevue, WA · Accident · 2 fatal · Field investigation · Final report · Apr 12, 1989 · N8521Z · Destroyed
  > Loss of engine power for an undetermined reason and failure of the instructor pilot (CFI) to maintain control of the aircraft, which resulted in a stall/spin.
- [NTSB SEA84LA145](https://openairdocs.org/ntsb/SEA84LA145.md): Lake LA-4-200 · Levenworth, WA · Accident · No injuries · Limited investigation · Final report · Jun 26, 1984 · N65627 · Substantial damage
  > The amphibious acft started to 'porpoise' in the air after takeoff and stalled aprx 25 ft above water level. The acft dragged a wing, crashed and sank. The plt said that water in the hull had caused the unstable condition.
- [NTSB SEA78FYM49](https://openairdocs.org/ntsb/SEA78FYM49.md): Lake LA-4 · Goldendale, WA · Accident · Serious injuries · Closed · Aug 27, 1978 · N1061L · Destroyed
- [NTSB SEA75FYG45](https://openairdocs.org/ntsb/SEA75FYG45.md): Lake LA-4 · Spokane, WA · Accident · No injuries · Closed · Jun 27, 1975 · N6693L · Substantial damage

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'WA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('5110310'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=5110310&state=WA

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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.