# NTSB investigations: Lycoming IO-540 series, VT

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 NYC06FA034](https://openairdocs.org/ntsb/NYC06FA034.md): Piper PA-23-250 · Burlington, VT · Accident · 1 fatal · Field investigation · Final report · Nov 22, 2005 · N26399 · Substantial damage
  > The pilot's failure to follow the published instrument flight procedure, which resulted in an in-flight collision with terrain. Factors in the accident were the local air traffic controller's inadequate monitoring of the MSAW system, and his delayed…
- [NTSB NYC99LA135](https://openairdocs.org/ntsb/NYC99LA135.md): Maule M7-235C · Bennington, VT · Accident · No injuries · Limited investigation · Final report · May 29, 1999 · N126MC · Substantial damage
  > The pilot's inadequate pre-flight briefing which resulted in control interference by the right front seat passenger.
- [NTSB NYC88FA147](https://openairdocs.org/ntsb/NYC88FA147.md): Lake LA4-250 · Shaftsbury, VT · Accident · 1 fatal · Field investigation · Final report · May 29, 1988 · N1405F · Destroyed
  > The Lake amphibian was being flown with two ferry tanks installed in the cabin. The pilot departed with full fuel in the aircraft tanks and 15 gallons in the ferry tanks. The center of gravity at zero fuel weight was 3/4 inch past the aft limit. With addition…

## 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" = 'VT' 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 ('41530', '41585'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41530&state=VT

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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.