# NTSB investigations: Lake LA-4, 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 SEA90FA171](https://openairdocs.org/ntsb/SEA90FA171.md): Lake LA-4 · Onalaska, WA · Accident · 3 fatal · Field investigation · Final report · Jun 9, 1990 · N68DG · Destroyed
  > Improper in-flight planning/decision by the pilot, and his inadvertent flight into instrument meteorological conditions (IMC). Factors related to the accident were: the adverse weather and terrain conditions.
- [NTSB SEA84LA076](https://openairdocs.org/ntsb/SEA84LA076.md): Lake LA-4 · Alderwood Manor, WA · Accident · No injuries · Limited investigation · Final report · Apr 3, 1984 · N6665L · Substantial damage
  > According to a witness, he observed the acft from taxi to takeoff, then from base throughout the landing. He observed the acft with the gear down on base leg & said the plt flew a low & short final apch. He stated the plt cut power short of the rwy & the acft…
- [NTSB SEA7LFYE18](https://openairdocs.org/ntsb/SEA7LFYE18.md): Lake LA-4 · Alderwood Mnr, WA · Accident · Serious injuries · Closed · Oct 11, 1975 · N2011L · Destroyed
- [NTSB SEA68F0029](https://openairdocs.org/ntsb/SEA68F0029.md): Lake LA-4 · Renton, WA · Accident · No injuries · Closed · Apr 28, 1967 · N2012L · 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 ('5110302'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=5110302&state=WA

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