# NTSB investigations: Lycoming IO-540-AE1A5, 2013

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 WPR14CA019](https://openairdocs.org/ntsb/WPR14CA019.md): Robinson R44 - II · Sedro Woolley, WA · Accident · No injuries · Data collection · Final report · Oct 18, 2013 · N414CC · Substantial damage
  > The non-instrument rated pilot's inadvertent encounter with instrument meteorological conditions during initial climb and his improper decision to continue flight, which resulted in an in-flight impact with a tree and an emergency descent that resulted in a…
- [NTSB WPR13CA424](https://openairdocs.org/ntsb/WPR13CA424.md): Robinson R44 - II · Flagstaff, AZ · Accident · Minor injuries · Data collection · Final report · Sep 25, 2013 · N190SH · Substantial damage
  > The pilot's failure to maintain rotor rpm while landing in a gusty wind at a high density altitude.
- [NTSB CEN13FA517](https://openairdocs.org/ntsb/CEN13FA517.md): Robinson R44 II · Caballo, NM · Accident · 3 fatal · Field investigation · Final report · Aug 31, 2013 · N3156U · Substantial damage
  > The pilot’s failure to see and avoid power lines while maneuvering near the ground because dust stirred up by the rotor wash obscured his visibility.
- [NTSB CEN13LA507](https://openairdocs.org/ntsb/CEN13LA507.md): Robinson Helicopter R44 II · Clayton, NM · Accident · Minor injuries · Limited investigation · Final report · Aug 26, 2013 · N744KA · Substantial damage
  > The pilot's loss of vertical control after the helicopter encountered a gusty tailwind while maneuvering at a low altitude and near the helicopter's maximum gross weight.
- [NTSB WPR13FA264](https://openairdocs.org/ntsb/WPR13FA264.md): Robinson Helicopter R44 II · Los Angeles, CA · Accident · Minor injuries · Field investigation · Final report · Jun 6, 2013 · N915BW · Substantial damage
  > The pilot’s loss of helicopter control following a precautionary landing, which resulted in a dynamic rollover.
- [NTSB CEN13FA295](https://openairdocs.org/ntsb/CEN13FA295.md): Robinson Helicopter R44 II · Cross Timbers, MO · Accident · 2 fatal · Field investigation · Final report · May 24, 2013 · N569BC · Destroyed
  > The pilot's failure to see and avoid a power line during the low-altitude flight.
- [NTSB ERA13LA152](https://openairdocs.org/ntsb/ERA13LA152.md): Robinson Helicopter R44 II · Ciales, PR · Accident · Minor injuries · Limited investigation · Final report · Mar 2, 2013 · N834RC · Destroyed
  > A loss of main rotor rpm for reasons that could not be determined because an examination of the helicopter’s engine and associated components did not reveal any mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB CEN13CA124](https://openairdocs.org/ntsb/CEN13CA124.md): Robinson Helicopter R44 II · Menard, TX · Accident · No injuries · Data collection · Final report · Jan 2, 2013 · N744RM · Substantial damage
  > The helicopter landed hard during a forced landing.

## 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") = 2013
  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=2013

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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.