# Fatal NTSB investigations: Lycoming TI0-540 series, UT

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 WPR24FA024](https://openairdocs.org/ntsb/WPR24FA024.md): Cessna T206H · Orangeville, UT · Accident · 1 fatal · Class 3 · Field · Final report · Oct 27, 2023 · N915DV · Substantial damage
  > The pilot's controlled flight into mountainous terrain for reasons that could not be determined.
- [NTSB WPR20LA238](https://openairdocs.org/ntsb/WPR20LA238.md): Piper PA32R · West Jordan, UT · Accident · 5 fatal · Class 3 · Limited · Final report · Jul 25, 2020 · N7677C · Substantial damage
  > The pilot's failure to maintain the airplane’s speed during takeoff near the airplane’s maximum gross weight in high-density altitude conditions, which resulted in the exceedance of the airplane's critical angle of attack and led to an aerodynamic stall, loss…
- [NTSB FTW98FA325](https://openairdocs.org/ntsb/FTW98FA325.md): Commander 114TC · West Jordan, UT · Accident · 1 fatal · Field investigation · Final report · Jul 18, 1998 · N61174 · Destroyed
  > A brittle fracture of the clamp that joins the exhaust pipe to the turbocharger. The pipe separated and hot exhaust gases escaped into the engine compartment. The engine lost power due to the high heat vaporizing fuel in the fuel line. Factors were inadequate…
- [NTSB SEA95FA031](https://openairdocs.org/ntsb/SEA95FA031.md): Piper PA-32R-300 · Grantsville, UT · Accident · 4 fatal · Field investigation · Final report · Dec 19, 1994 · N175MC · Destroyed
  > The VFR pilot's attempt to continue the flight into instrument meteorological conditions, and his failure to maintain altitude/clearance with mountainous terrain.
- [NTSB DEN78FA002](https://openairdocs.org/ntsb/DEN78FA002.md): Piper PA-32 · Cedar Fort, UT · Accident · 7 fatal · Closed · Sep 30, 1977 · N5400F · 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" = 'UT' AND c."eventCountry" = 'USA'
  AND c."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41533'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41533&fatal=1&state=UT

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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.