# NTSB investigations: Lycoming IO-540-AE1A5, 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 GAA19CA066](https://openairdocs.org/ntsb/GAA19CA066.md): Robinson R44 · Lihue, HI · Accident · No injuries · Data collection · Final report · Nov 10, 2018 · N445KP · Substantial damage
  > The passenger’s improper decision to hold her cell phone outside the helicopter, which resulted in it departing the helicopter and striking the tail rotor.
- [NTSB WPR19LA002](https://openairdocs.org/ntsb/WPR19LA002.md): Robinson R44 · Salinas, CA · Accident · No injuries · Class 3 · Limited · Final report · Oct 7, 2018 · N611TH · Substantial damage
  > The partial loss of engine power after takeoff due to faulty wiring to the engine governor.
- [NTSB GAA18CA534](https://openairdocs.org/ntsb/GAA18CA534.md): Robinson R44 · Girdwood, AK · Accident · No injuries · Data collection · Final report · Aug 30, 2018 · N99645 · Substantial damage
  > The fisherman's fishing rod striking the helicopter’s rotating main rotor disk during loading.
- [NTSB GAA18CA453](https://openairdocs.org/ntsb/GAA18CA453.md): Robinson R44 · Elma, IA · Accident · Minor injuries · Data collection · Final report · Jul 27, 2018 · N466EL · Substantial damage
  > The pilot's failure maintain clearance from power lines during an agricultural application flight.
- [NTSB GAA18CA430](https://openairdocs.org/ntsb/GAA18CA430.md): Robinson R44 · Okawville, IL · Accident · No injuries · Data collection · Final report · Jul 9, 2018 · N944DC · Substantial damage
  > The pilot's improper preflight weight and balance calculation, which resulted in his operating the helicopter over its maximum gross takeoff weight and in its subsequent failure to climb.
- [NTSB ERA18LA161](https://openairdocs.org/ntsb/ERA18LA161.md): Robinson Helicopter R44 II · Fort Morgan, AL · Accident · No injuries · Limited investigation · Final report · Jun 7, 2018 · N755KT · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because postaccident engine examinations did not reveal any evidence of preimpact mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB WPR18LA133](https://openairdocs.org/ntsb/WPR18LA133.md): Robinson Helicopter R44 II · Borrego Springs, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 30, 2018 · N423ML · Substantial damage
  > The loss of the helicopter’s drive system for reasons that could not be determined from the available evidence, which led to an autorotation that resulted in a hard landing and rollover on uneven sandy terrain.
- [NTSB CEN18LA087](https://openairdocs.org/ntsb/CEN18LA087.md): Robinson Helicopter R44 II · Loveland, CO · Accident · Minor injuries · Limited investigation · Final report · Jan 26, 2018 · N878BC · 2 aircraft · Substantial damage
  > The airplane pilot’s failure to see and avoid the helicopter while in the traffic pattern, which resulted in a midair collision between the two aircraft. Contributing to the accident was the airplane pilot’s misunderstanding of the helicopter pilot’s…

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

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