# NTSB investigations: Lycoming HIO-360 series, 2015

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 CEN16LA084](https://openairdocs.org/ntsb/CEN16LA084.md): Schweizer 269C · Warrenton, MO · Accident · Minor injuries · Limited investigation · Final report · Dec 22, 2015 · N292B · Destroyed
  > The noninstrument-rated pilot's continued flight into instrument meteorological conditions at night, which resulted in the loss of visual reference to the ground and his subsequent failure to maintain clearance from trees.
- [NTSB ERA15LA376](https://openairdocs.org/ntsb/ERA15LA376.md): Hughes 269 · Eustis, FL · Accident · Serious injuries · Limited investigation · Final report · Sep 25, 2015 · N9567F · Substantial damage
  > The pilot's failure to maintain yaw control as he slowed the helicopter during a landing approach, which resulted in a loss of helicopter control due to a loss of tail rotor effectiveness.
- [NTSB WPR15LA261](https://openairdocs.org/ntsb/WPR15LA261.md): Schweizer 269C · Forest Grove, OR · Accident · Minor injuries · Limited investigation · Final report · Sep 18, 2015 · N290R · Substantial damage
  > A partial loss of engine power during cruise flight for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR15LA245](https://openairdocs.org/ntsb/WPR15LA245.md): Schweizer 269C · Las Vegas, NV · Accident · Minor injuries · Limited investigation · Final report · Aug 18, 2015 · N17YS · Substantial damage
  > A total loss of engine power during a practice autorotation for reasons that could not be determined.
- [NTSB CEN15LA341](https://openairdocs.org/ntsb/CEN15LA341.md): Hughes 269B · Atkinson, IL · Accident · Serious injuries · Limited investigation · Final report · Aug 5, 2015 · N9427F · Destroyed
  > The pilot's improper decision to intentionally fly the helicopter at a low altitude and his subsequent failure to maintain clearance from a power line.
- [NTSB GAA15CA197](https://openairdocs.org/ntsb/GAA15CA197.md): Hughes 269C · Atlanta, TX · Accident · No injuries · Data collection · Final report · Jul 21, 2015 · N58397 · Substantial damage
  > The non-helicopter rated pilot's improper landing flare, which resulted in impact with terrain.
- [NTSB WPR15FA205](https://openairdocs.org/ntsb/WPR15FA205.md): Schweizer 269C · Newberg, OR · Accident · 2 fatal · Field investigation · Final report · Jul 2, 2015 · N2096W · Destroyed
  > The loss of translation/rotational power between the engine and the transmission due to the severe wear of the forward spline portion of the lower coupling drive shaft. The reason for the severe wear of the forward spline could not be definitively determined…
- [NTSB CEN15CA274](https://openairdocs.org/ntsb/CEN15CA274.md): Enstrom F 28C · Romeoville, IL · Accident · No injuries · Data collection · Final report · Jun 14, 2015 · N51778 · Substantial damage
  > The certified flight instructor (CFI) did not maintain directional control during a downwind emergency running landing to soft muddy terrain, which resulted in a dynamic rollover. Contributing to the accident was the CFI's delayed or insufficient remedial…
- [NTSB GAA15CA061](https://openairdocs.org/ntsb/GAA15CA061.md): Hughes TH 55 · Morganton, NC · Accident · Minor injuries · Data collection · Final report · May 5, 2015 · N7089S · Substantial damage
  > The flight instructor's delayed flare during a simulated auto rotation, which resulted in a tail rotor strike and rollover.
- [NTSB WPR15CA128](https://openairdocs.org/ntsb/WPR15CA128.md): Enstrom F28 - C · Shelby, MT · Accident · No injuries · Data collection · Final report · Mar 14, 2015 · N5688N · Substantial damage
  > The pilot's failure to maintain main rotor RPM during a low altitude operation, which resulted in a loss of aircraft control and collision with terrain.
- [NTSB CEN15WA162](https://openairdocs.org/ntsb/CEN15WA162.md): Hughes 269A · Oresten, Sweden · Accident · No injuries · Foreign investigation · Feb 6, 2015 · N90584 · 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 year(c."eventDate") = 2015
  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=2015

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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.