# NTSB investigations: Lycoming AEIO-540 series, 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 WPR26LA026](https://openairdocs.org/ntsb/WPR26LA026.md): Extra Flugzeugbau EA 300/L · Arlington, WA · Accident · No injuries · Class 3 · Limited · Preliminary report · Oct 14, 2025 · N300EX · Substantial damage
  > On October 14, 2025, at about 1030 Pacific daylight time, an EXTRA FLUGZEUGBAU GMBH 300L, N300EX, was substantially damaged when it was involved in an accident near Arlington, Washington. The flight instructor and private pilot receiving instruction were…
- [NTSB WPR24FA156](https://openairdocs.org/ntsb/WPR24FA156.md): Extra Flugzeugbau EA 300/L · Bandera, WA · Accident · 1 fatal · Class 3 · Field · Final report · May 19, 2024 · N22MW · Substantial damage
  > The pilot’s decision to continue flight into icing conditions and inclement weather, which likely led to spatial disorientation when he attempted to divert from the planned course to the destination airport.
- [NTSB SEA95LA056](https://openairdocs.org/ntsb/SEA95LA056.md): Pitts S-2B · Spokane, WA · Accident · No injuries · Limited investigation · Final report · Feb 25, 1995 · N49335 · Substantial damage
  > Fatigue failure of the crankshaft. Factors were the soft terrain and the pilot/owner's failure to conduct recurring crankshaft inspections recommended by the manufacturer.
- [NTSB SEA90LA160](https://openairdocs.org/ntsb/SEA90LA160.md): Alfred Stevens KEN Rand KR-2 · Ellensburg, WA · Accident · No injuries · Limited investigation · Final report · Aug 11, 1990 · N232CM · Substantial damage
  > The pilot did not maintain a proper altitude above the terrain or visual lookout which resulted in a collision with a transmission wire.

## 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.engine_model_code IN ('41568'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41568&state=WA

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