# NTSB investigations: Lycoming IO-540-AE1A5, NY

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 ERA25LA267](https://openairdocs.org/ntsb/ERA25LA267.md): Robinson Helicopter R44 II · Inlet, NY · Accident · No injuries · Class 4 · Limited · Final report · Jul 9, 2025 · N67RW · Substantial damage
  > The pilot’s failure to maintain control of the helicopter during the landing.
- [NTSB ERA22LA135](https://openairdocs.org/ntsb/ERA22LA135.md): Robinson Helicopter R44 II · White Plains, NY · Accident · No injuries · Class 4 · Limited · Final report · Feb 17, 2022 · N929WA · Substantial damage
  > The pilot’s failure to maintain stabilized lateral control during landing in gusty conditions which resulted in a dynamic rollover when the skids contacted the platform unevenly.
- [NTSB ERA22FA010](https://openairdocs.org/ntsb/ERA22FA010.md): Robinson Helicopter R44 II · Cornwall, NY · Accident · 1 fatal · Class 3 · Field · Final report · Oct 10, 2021 · N637HP · Destroyed
  > The non-instrument-rated pilot’s continued flight into deteriorating weather conditions, which resulted in a loss of control due to spatial disorientation.
- [NTSB NYC08CA140](https://openairdocs.org/ntsb/NYC08CA140.md): Robinson R44 · Montgomery, NY · Accident · No injuries · Data collection · Final report · Mar 17, 2008 · N3027Y · Substantial damage
  > The pilot's loss of control during takeoff.

## 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" = 'NY' 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 ('41899'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41899&state=NY

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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.