# NTSB investigations: Lycoming VO-540 series, MA

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 NYC92FA117](https://openairdocs.org/ntsb/NYC92FA117.md): Bell 47-G4A · Shelburne Falls, MA · Accident · 3 fatal · Field investigation · Final report · Jun 16, 1992 · N1041B · Destroyed
  > The pilot's failure to maintain adequate obstacle clearance. Contributing was inadequate altitude.
- [NTSB NYC88LA170](https://openairdocs.org/ntsb/NYC88LA170.md): Bell 47J2 · Newburyport, MA · Accident · Serious injuries · Limited investigation · Final report · Jun 25, 1988 · N51711 · Destroyed
  > The helicopter departed runway 10 at plum island airport, turned left over the plum island river and shortly thereafter the engine quit. The pilot stated that no warning was noted and a check of the instruments indicated no problems. He further stated that…
- [NTSB NYC86LA227](https://openairdocs.org/ntsb/NYC86LA227.md): Bell 47J-2A · Newburyport, MA · Accident · No injuries · Limited investigation · Final report · Aug 22, 1986 · N255PH · Substantial damage
  > The plt experienced a total power loss of the acft eng while practicing autorotations. The helicopter landed hard, the main rotor flexed and severed the tail boom. Post accident inspection of the helicopter revealed the fuel selector was positioned on the…
- [NTSB NYC67A0067](https://openairdocs.org/ntsb/NYC67A0067.md): Bell 47J-2 · Brookline, MA · Accident · No injuries · Closed · Oct 26, 1966 · N73948 · Substantial damage
- [NTSB NYC67A0030](https://openairdocs.org/ntsb/NYC67A0030.md): Bell 47J-2 · Dedham, MA · Accident · No injuries · Closed · Aug 17, 1966 · N3939B · Substantial damage
- [NTSB NYC66A0152](https://openairdocs.org/ntsb/NYC66A0152.md): Bell 47J-2 · Burlington, MA · Accident · No injuries · Closed · Jun 18, 1966 · N73948 · 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" = 'MA' 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=MA

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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.