# NTSB investigations: Lycoming HIO-360 series: Loss of engine power (total)

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 CEN25LA103](https://openairdocs.org/ntsb/CEN25LA103.md): Starduster II · Azle, TX · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Feb 24, 2025 · N78WT · Destroyed
  > On February 24, 2025, at 1430 central standard time, a Starduster II airplane, N78WT, was destroyed when it was involved in an accident near Azle, Texas. The private pilot and a passenger received minor injuries. The airplane was operated as a Title 14 Code…
- [NTSB CEN25LA003](https://openairdocs.org/ntsb/CEN25LA003.md): Schweizer 269C · Montrose, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 3, 2024 · N656RB · Substantial damage
  > A loss of engine power during a demonstrated autorotation due to an improperly adjusted air-fuel mixture or idle setting. Contributing to the accident was the pilot’s failure to perform the required idle check during previous flights in higher elevation areas.
- [NTSB ERA16LA326](https://openairdocs.org/ntsb/ERA16LA326.md): Hughes 269B · Ozark, AL · Accident · Minor injuries · Limited investigation · Final report · Sep 22, 2016 · N269BS · Substantial damage
  > A total loss of engine power for reasons that could not be determined following a successful postaccident engine run on the accident helicopter.
- [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 WPR13LA167](https://openairdocs.org/ntsb/WPR13LA167.md): Enstrom F-28F · Twin Falls, ID · Accident · No injuries · Limited investigation · Final report · Mar 27, 2013 · N918DK · Substantial damage
  > A total loss of engine power 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 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 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 WPR11LA462](https://openairdocs.org/ntsb/WPR11LA462.md): Hughes 269C · Ramona, CA · Accident · No injuries · Limited investigation · Final report · Sep 22, 2011 · N1088Y · Substantial damage
  > The flight instructor’s failure to follow the proper procedure while demonstrating a practice autorotation, which resulted in a total loss of engine power and subsequent hard landing.
- [NTSB WPR09LA213](https://openairdocs.org/ntsb/WPR09LA213.md): Schweizer 269C · Las Vegas, NV · Accident · No injuries · Limited investigation · Final report · Apr 22, 2009 · N17YS · Substantial damage
  > Loss of engine power during approach for undetermined reasons.

## 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 c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41524')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '341'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/341/cases?engine=41524

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