# NTSB investigations: Lycoming HIO-360 series, 2012

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 CEN13LA099](https://openairdocs.org/ntsb/CEN13LA099.md): Enstrom F-28C · Abilene, TX · Accident · No injuries · Limited investigation · Final report · Dec 7, 2012 · N574H · Substantial damage
  > The flight instructor's failure to conduct an autorotation following the loss of engine power due to fuel exhaustion. Contributing to the accident was the failure of the flight instructor and the student pilot to visually check fuel levels to ensure adequate…
- [NTSB CEN12LA648](https://openairdocs.org/ntsb/CEN12LA648.md): Hughes 269A · Mc Cool Junction, NE · Accident · No injuries · Limited investigation · Final report · Sep 19, 2012 · N37754 · Substantial damage
  > The flight instructor’s inadequate supervision of the student pilot’s entry into the autorotation, which resulted in a hard landing. Contributing to the accident was the loss of engine power as a result of the student pilot rapidly lowering the helicopter’s…
- [NTSB CEN12LA343](https://openairdocs.org/ntsb/CEN12LA343.md): Schweizer 269C · Denver, CO · Accident · No injuries · Limited investigation · Final report · Jun 2, 2012 · N2196F · Substantial damage
  > The inadequately overhauled landing gear dampers that allowed initiation of a ground resonance event from which the pilot was unable to recover. Contributing to the accident was the overhaul facility's failure to identify the overcharged dampers and a lack of…
- [NTSB ERA12LA368](https://openairdocs.org/ntsb/ERA12LA368.md): Schweizer 269C · Piney Flats, TN · Accident · No injuries · Limited investigation · Final report · May 24, 2012 · N760DA · Substantial damage
  > The mechanic’s improper maintenance of the main transmission aft pinion nut and belt drive system, which resulted in the uncoupling of the tail rotor driveshaft and the subsequent loss of helicopter control.
- [NTSB ERA12LA362](https://openairdocs.org/ntsb/ERA12LA362.md): Schweizer 269C · Asheville, NC · Accident · No injuries · Limited investigation · Final report · May 24, 2012 · N7505Y · Substantial damage
  > The use of an aftermarket skid shoe, which resulted in the skid shoe becoming caught on a runway centerline light during the run-on landing.
- [NTSB ERA12CA357](https://openairdocs.org/ntsb/ERA12CA357.md): Hughes TH-55 · Pittsfield, PA · Accident · No injuries · Data collection · Final report · May 19, 2012 · N74914 · Substantial damage
  > The student pilot's failure to maintain helicopter control during an encounter with loss of tail rotor effectiveness.
- [NTSB CEN12LA181](https://openairdocs.org/ntsb/CEN12LA181.md): Sikorsky 269C · Staples, TX · Accident · No injuries · Limited investigation · Final report · Mar 5, 2012 · N1099N · Substantial damage
  > The pilot's failure to attain the proper descent rate during autorotation, which resulted in a hard landing. Contributing to the accident were the inflight vibrations and loss of torque pedal response for undetermined reasons.
- [NTSB WPR12LA111](https://openairdocs.org/ntsb/WPR12LA111.md): Enstrom F28 · Kalispell, MT · Accident · No injuries · Limited investigation · Final report · Feb 20, 2012 · N51727 · Substantial damage
  > A total loss of engine power for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR12CA100](https://openairdocs.org/ntsb/WPR12CA100.md): Schweizer 269C · Las Vegas, NV · Accident · Minor injuries · Data collection · Final report · Feb 11, 2012 · N20536 · Substantial damage
  > The pilot's inadequate compensation for the known wind conditions during a hovering maneuver, which resulted in a loss of tail rotor effectiveness and directional 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") = 2012
  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=2012

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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.