# NTSB investigations: Lycoming HIO-360 series, 2018

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 ERA19TA005](https://openairdocs.org/ntsb/ERA19TA005.md): Enstrom F28 · Bridgeville, DE · Accident · No injuries · Final report · Oct 7, 2018 · N5691Y · Substantial damage
  > The pilot's mismanagement of collective pitch control during takeoff from an area with numerous obstacles, which resulted in the helicopter entering a low rotor rpm state and a forced hard landing.
- [NTSB GAA18CA539](https://openairdocs.org/ntsb/GAA18CA539.md): Schweizer 269C · Delaware, OH · Accident · No injuries · Data collection · Final report · Sep 3, 2018 · N139JS · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing.
- [NTSB WPR18LA170](https://openairdocs.org/ntsb/WPR18LA170.md): Schweizer 269C · Las Vegas, NV · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 13, 2018 · N557DC · Substantial damage
  > The pilot’s failure to take the appropriate corrective action for ground resonance, which resulted in a loss of helicopter control.
- [NTSB GAA18CA168](https://openairdocs.org/ntsb/GAA18CA168.md): Hughes 269 · San Antonio, TX · Accident · Minor injuries · Data collection · Final report · Mar 14, 2018 · N11047 · Substantial damage
  > The pilot’s decision to relinquish the helicopter flight controls to a non-rated passenger during a 3 ft hover.
- [NTSB GAA18CA159](https://openairdocs.org/ntsb/GAA18CA159.md): Hughes 269 · Jacksonville, FL · Accident · No injuries · Data collection · Final report · Mar 10, 2018 · N9020M · Substantial damage
  > The pilot’s failure to maintain rotor rpm during a practice autorotation, which resulted in ground contact and a dynamic rollover.

## 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 year(c."eventDate") = 2018
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41524'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41524&year=2018

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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.