# Fatal NTSB investigations: Lycoming 0-540 series, CT

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 ERA11FA334](https://openairdocs.org/ntsb/ERA11FA334.md): Piper PA-24-250 · Westbrook, CT · Accident · 1 fatal · Field investigation · Final report · Jun 10, 2011 · N8233P · Substantial damage
  > A total loss of engine power during approach due to inadequate torque on the No. 3 cylinder hold-down nuts.
- [NTSB IAD05FA068](https://openairdocs.org/ntsb/IAD05FA068.md): Cessna R182 · New Fairfield, CT · Accident · 2 fatal · Field investigation · Final report · May 24, 2005 · N756PN · Destroyed
  > Failure of the aluminum-clad, number two connecting rod bearings, which resulted in a total loss of engine power. A factor was the relatively short forced landing area.
- [NTSB IAD04FA025](https://openairdocs.org/ntsb/IAD04FA025.md): Robinson R-44 · Killingly, CT · Accident · 2 fatal · Field investigation · Final report · Jun 18, 2004 · N70144 · Destroyed
  > The pilot in command's intentional flight into instrument meteorological flight conditions, and his failure to maintain obstacle clearance which resulted in a controlled descent into trees. Factors included the pilot's inadequate weather evaluation, low cloud…
- [NTSB NYC90FA036](https://openairdocs.org/ntsb/NYC90FA036.md): Piper PA-32-260 · Coventry, CT · Accident · 1 fatal · Field investigation · Final report · Nov 28, 1989 · N3309W · Destroyed
  > The non-instrument rated pilot initiating VFR flight into IMC on a dark night which resulted in spatial disorientation and uncontrolled flight into the ground. Contributing factor(s) was: the adverse weather existing at the time of the accident and the…
- [NTSB NYC84FA053](https://openairdocs.org/ntsb/NYC84FA053.md): Cessna R182 · Greenwich, CT · Accident · 2 fatal · Field investigation · Final report · Dec 13, 1983 · N2254T · Destroyed
  > The acft collided with trees during an ILS approach to westchester arpt in NY. The weather was IMC and an IFR flt plan was filed. The accident occurred during the 2nd attempt with the 1st ending in a missed approach. It was apparent to thecontroller that the…

## 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" = 'CT' 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 ('41532'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41532&fatal=1&state=CT

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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.