# NTSB investigations: Lake LA-4, 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 NYC81FA025](https://openairdocs.org/ntsb/NYC81FA025.md): Lake LA-4 · Middleboro, MA · Accident · 1 fatal · Closed · Feb 7, 1981 · N1125L · Destroyed
- [NTSB NYC79FNA02](https://openairdocs.org/ntsb/NYC79FNA02.md): Lake LA-4 · Tuckernuck Isl, MA · Accident · No injuries · Closed · Oct 8, 1978 · N1029L · Substantial damage
- [NTSB NYC74FNA24](https://openairdocs.org/ntsb/NYC74FNA24.md): Lake LA-4 · Norwood, MA · Accident · No injuries · Closed · Oct 27, 1973 · N7631L · Substantial damage
- [NTSB NYC72FNE01](https://openairdocs.org/ntsb/NYC72FNE01.md): Lake LA-4 · Southwick, MA · Accident · Minor injuries · Closed · Jul 6, 1971 · N2015L · 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.aircraft_model_code IN ('5110302'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=5110302&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.