# Final NTSB investigations: Walker David S LANCAIR IV

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 DEN07LA133](https://openairdocs.org/ntsb/DEN07LA133.md): Walker Lancair IV · Sylvan Grove, KS · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 2007 · N7441W · Substantial damage
  > A catastrophic engine failure due to oil starvation when an oil line to the turbocharger wastegate actuator came loose. Contributing factors in this accident were the unsuitable terrain on which to make a forced landing.
- [NTSB CHI03LA116](https://openairdocs.org/ntsb/CHI03LA116.md): Walker Lancair IV · Wamego, KS · Accident · No injuries · Limited investigation · Final report · Apr 26, 2003 · N7441W · Substantial damage
  > The pilot not maintaining altitude/clearance from the runway while maneuvering on final approach. A factor to the accident was the pilot's misjudgment of his altitude while on final approach.

## 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."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('05601FU'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=05601FU&status=final

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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.