# NTSB investigations: Lycoming IO-540-AE1A5, 2014

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 CEN15CA093](https://openairdocs.org/ntsb/CEN15CA093.md): Robinson Helicopter R44 II · Horseshoe Bay, TX · Accident · No injuries · Data collection · Final report · Dec 29, 2014 · N174CD · Substantial damage
  > The helicopter's contact with the landing pad during a rejected landing.
- [NTSB WPR15FA051](https://openairdocs.org/ntsb/WPR15FA051.md): Robinson Helicopter R44 · Bountiful, UT · Accident · 2 fatal · Field investigation · Final report · Dec 2, 2014 · N3234U · Substantial damage
  > The pilot/mechanic's failure to properly secure the pitch link hardware of one main rotor blade to the rotating swash plate, which resulted in the pitch link separating in flight and a subsequent loss of control.
- [NTSB WPR14LA353](https://openairdocs.org/ntsb/WPR14LA353.md): Robinson Helicopter R44 II · Pahrump, NV · Accident · Minor injuries · Limited investigation · Final report · Aug 24, 2014 · N4246Z · Substantial damage
  > A total loss of engine power during a practice autorotation 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 WPR14CA325](https://openairdocs.org/ntsb/WPR14CA325.md): Robinson Helicopter R44 II · Honolulu, HI · Accident · No injuries · Data collection · Final report · Aug 2, 2014 · N110JC · Substantial damage
  > The pilot's inadequate compensation for the wind conditions and failure to maintain aircraft control during taxi, which resulted in a loss of tail rotor effectiveness and subsequent impact with the taxiway and a parked fuel truck.
- [NTSB CEN14LA197](https://openairdocs.org/ntsb/CEN14LA197.md): Robinson R44 - II · Menard, TX · Accident · No injuries · Limited investigation · Final report · Mar 23, 2014 · N44MD · Substantial damage
  > The pilot’s inadequate recovery from a practice autorotation, which resulted in an improper touchdown attitude and collision with terrain.
- [NTSB CEN14LA149](https://openairdocs.org/ntsb/CEN14LA149.md): Robinson Helicopter R44 II · Presidio, TX · Accident · Serious injuries · Limited investigation · Final report · Feb 24, 2014 · N360AH · Substantial damage
  > The pilot’s failure to maintain sufficient rotor rpm when transitioning the helicopter from a hover to forward flight, which resulted in a loss of helicopter control.

## 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") = 2014
  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&year=2014

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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.