# NTSB investigations: Lycoming TIGO-541SER, WI

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 CHI03FA138](https://openairdocs.org/ntsb/CHI03FA138.md): Piper PA-31P · Woodruff, WI · Accident · 4 fatal · Field investigation · Final report · May 25, 2003 · N36DR · Destroyed
  > The pilot's failure to follow the before take-off checklist which led to an improper selection of the auxilliary fuel tanks for the takeoff leading to the subsequent fuel starvation of the left engine. Additional causes were the pilot not maintaining minimum…
- [NTSB CHI92FA066](https://openairdocs.org/ntsb/CHI92FA066.md): Piper PA-31P · Mosinee, WI · Accident · 1 fatal · Field investigation · Final report · Jan 2, 1992 · N500BH · Destroyed
  > An inflight fire with the cabin heater as the origin, and unsuitable terrain in which to make a forced landing. A factor related to the accident was the soft terrain.

## 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" = 'WI' 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 ('41539'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41539&state=WI

---
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.