# NTSB investigations: Lycoming HIO-360 series, AZ

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 WPR25FA097](https://openairdocs.org/ntsb/WPR25FA097.md): Lancair 360 · Marana, AZ · Accident · 2 fatal · Class 3 · Field · Preliminary report · Feb 19, 2025 · N3602M · 2 aircraft · Destroyed
  > On February 19, 2025, about 0828 mountain standard time, a Lancair 360 Mk II, N3602M, was destroyed, and a Cessna 172S, N463ER, sustained minor damage when they were involved in a mid-air collision near Marana Regional Airport (AVQ), Marana, Arizona. The…
- [NTSB WPR17IA198](https://openairdocs.org/ntsb/WPR17IA198.md): Enstrom F 28F · Glendale, AZ · Incident · No injuries · Incident investigation · Final report · Aug 22, 2017 · N52PD · No damage
  > An internal failure of the turbo-compressor, which resulted in oil leaking into the turbo-compressor’s exhaust.
- [NTSB LAX02LA161](https://openairdocs.org/ntsb/LAX02LA161.md): Schweizer 269C · Phoenix, AZ · Accident · Minor injuries · Limited investigation · Final report · May 13, 2002 · N577TA · Substantial damage
  > the CFI's failure to maintain an adequate airspeed resulted in a settling with power, and the CFI's failure to take remedial action. A factor in the accident was the high density altitude.
- [NTSB LAX02LA137](https://openairdocs.org/ntsb/LAX02LA137.md): Schweizer 269C · Scottsdale, AZ · Accident · No injuries · Limited investigation · Final report · Apr 14, 2002 · N324PH · Substantial damage
  > The flight instructor's inadequate remedial action following the onset of ground resonance.
- [NTSB LAX00TA355](https://openairdocs.org/ntsb/LAX00TA355.md): Hughes TH-55A · Phoenix, AZ · Accident · No injuries · Final report · Sep 29, 2000 · N331SD · Substantial damage
  > the flight instructor's misjudged flare during a simulated autorotation, which led to a hard landing.
- [NTSB LAX00LA276](https://openairdocs.org/ntsb/LAX00LA276.md): Schweizer 269C · Cave Creek, AZ · Accident · No injuries · Limited investigation · Final report · Jul 19, 2000 · N577TA · Substantial damage
  > The pilot's inadequate in-flight planning/decision to attempt a hover in atmospheric conditions and over terrain that would require maximum helicopter performance, and which would leave no viable alternate actions in the event of difficulties.
- [NTSB LAX95LA188](https://openairdocs.org/ntsb/LAX95LA188.md): Schweizer 269C · Scottsdale, AZ · Accident · No injuries · Limited investigation · Final report · May 12, 1995 · N6120A · Substantial damage
  > The CFI's failure to apply adequate power during the flare which was a result of not maintaining the required engine and rotor rpm.
- [NTSB LAX89LA309](https://openairdocs.org/ntsb/LAX89LA309.md): Hughes 269C · Mesa, AZ · Accident · No injuries · Limited investigation · Final report · Mar 30, 1989 · N58164 · Substantial damage
  > Improper flare by the student pilot, and improper supervision by the instructor pilot (CFI).
- [NTSB LAX83FA266](https://openairdocs.org/ntsb/LAX83FA266.md): Enstrom F28C · Mesa, AZ · Accident · Serious injuries · Field investigation · Final report · Jun 7, 1983 · N51684 · Destroyed
  > The pilot had taken off, went into a normal hover, then traveled about 200 feet for a pattern climb-out when he radioed the tower that the acft did not feel right. The acft started to fishtail. The pilot tried to autorotate but could not stop the rate of…
- [NTSB LAX82DA283](https://openairdocs.org/ntsb/LAX82DA283.md): Enstrom F28C · Phoenix, AZ · Accident · No injuries · Final report · Jul 31, 1982 · N5688N · Substantial damage
  > The helicopter made a forced landing in a cotton field after tail rotor driveshaft failure. Examination showed a ductileshear overload failure. No evidence of fatigue was reported.
- [NTSB LAX79FUK19](https://openairdocs.org/ntsb/LAX79FUK19.md): Hughes 269A · Phoenix, AZ · Accident · No injuries · Closed · Sep 11, 1979 · N87592 · Substantial damage
- [NTSB LAX73FUJ86](https://openairdocs.org/ntsb/LAX73FUJ86.md): Hughes 269B · Chandler, AZ · Accident · Minor injuries · Closed · Jun 23, 1973 · N9569F · Destroyed
- [NTSB UNK65X0199](https://openairdocs.org/ntsb/UNK65X0199.md): Hughes 269B · Phoenix, AZ · Accident · Minor injuries · Closed · Oct 8, 1964 · N9333F · Substantial damage

## 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."eventStateOrRegion" = 'AZ' AND c."eventCountry" = 'USA'
  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&state=AZ

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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.
