# NTSB investigations: Lycoming VO-540 series, VA

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 ERA11LA216](https://openairdocs.org/ntsb/ERA11LA216.md): Hiller UH-12E · Culpeper, VA · Accident · No injuries · Limited investigation · Final report · Mar 25, 2011 · N4033P · Substantial damage
  > Mechanical failure of the transmission for reasons that could not be determined because the transmission could not be torn down.
- [NTSB BFO91LA018](https://openairdocs.org/ntsb/BFO91LA018.md): Bell 47J2A · Matoaca, VA · Accident · No injuries · Limited investigation · Final report · Nov 23, 1990 · N8514P · Substantial damage
  > The failure of four propeller retention and the pilot's misjudgement of the forced landing approach.
- [NTSB ATL83LA379](https://openairdocs.org/ntsb/ATL83LA379.md): Bell 47G-4A · Wise, VA · Accident · Minor injuries · Limited investigation · Final report · Sep 25, 1983 · N1400W · Substantial damage
  > The plt held a commercial certificate, but was a student in helicopter flying. He had over 15,000 hrs total time in airplanes, but only aprx 13 hrs of experience in helicopters. On his 1st solo flt in a helicopter, he was making approaches to a grassy area…
- [NTSB IAD74DIJ04](https://openairdocs.org/ntsb/IAD74DIJ04.md): Bell 47-G2A · Pulaski, VA · Accident · No injuries · Closed · Jul 30, 1973 · N8484E · Substantial damage
- [NTSB NYC66A0140](https://openairdocs.org/ntsb/NYC66A0140.md): Bell 47G-4 · Dumfries, VA · Accident · Minor injuries · Closed · Jun 2, 1966 · N3081G · Destroyed

## 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" = 'VA' 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 ('41534', '41582'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41534&state=VA

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