# NTSB investigations: Lycoming IO-540 series, NH: Loss of control - on ground/water

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 NYC04CA002](https://openairdocs.org/ntsb/NYC04CA002.md): Lake LA250 · Laconia, NH · Accident · No injuries · Data collection · Final report · Oct 6, 2003 · N64SF · Substantial damage
  > The pilot's improper starting procedure. A factor in the accident was the pilot's lack of recent experience in make and model airplane.
- [NTSB NYC87LA198](https://openairdocs.org/ntsb/NYC87LA198.md): Lake LA-250 · Alton Bay, NH · Accident · No injuries · Limited investigation · Final report · Jul 6, 1987 · N1403W · Substantial damage
  > The Lake renegade 250 was making a water takeoff when it started a sharp left turn. The aircraft stopped in the water and the pilot exited without injuries prior to the aircraft turning over. Examination of the aircraft showed that the engine pylon had…

## 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" = 'NH' 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')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41530&occurrence=260&state=NH

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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.
