# NTSB investigations: Lycoming HIO-360 series, 1985

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 SEA86LA026](https://openairdocs.org/ntsb/SEA86LA026.md): Hughes 269C · Brooks, OR · Accident · No injuries · Limited investigation · Final report · Nov 24, 1985 · N58181 · Substantial damage
  > A total loss of power occurred due to the number 4 cylinder failing. A tail boom strike occurred during a hard landing in a parking lot, severing the tail boom.
- [NTSB NYC86LA011](https://openairdocs.org/ntsb/NYC86LA011.md): Enstrom F-28C · Linden, NJ · Accident · No injuries · Limited investigation · Final report · Oct 17, 1985 · N5691Y · Substantial damage
  > The helicopter experienced a roll-over during a practice hover autorotation. The acc occurred when the acft started moving backwards during the hover. The left skid dug into the dirt which pitched the acft nose up & rolled it over to the left.
- [NTSB ATL86LA005](https://openairdocs.org/ntsb/ATL86LA005.md): Hughes 269C · Chapman, AL · Accident · Minor injuries · Limited investigation · Final report · Oct 10, 1985 · N7451F · Destroyed
  > During an attempted takeoff from a field adjacent to a grove of trees the aircraft was unable to climb over the trees and crashed into them. The engine was test run and although it ran rough during initial start up it later operated normally and the reason…
- [NTSB CHI85LA352](https://openairdocs.org/ntsb/CHI85LA352.md): Hughes 269A · Hector, MN · Accident · No injuries · Limited investigation · Final report · Aug 18, 1985 · N8777F · Substantial damage
  > After liftoff from an open field, on a short local flight the helicopter experienced fuel exhaustion. During the auto rotation landing, in an open field the helicopter rolled on the side.
- [NTSB CHI85FA210](https://openairdocs.org/ntsb/CHI85FA210.md): Hughes 300 · Joliet, IL · Accident · Minor injuries · Field investigation · Final report · May 26, 1985 · N404Z · Destroyed
  > The helicopter experienced extreme vertical vibrations while landing from a hover. Inadvertent ground contact during uncontrolled oscillations resulted in destruction of the helicopter.
- [NTSB DEN85FA134](https://openairdocs.org/ntsb/DEN85FA134.md): Enstrom F-28F · Carrizozo, NM · Accident · 1 fatal · Field investigation · Final report · May 12, 1985 · N8618A · Substantial damage
  > The student pilot departed albiquerque, NM with less than full fuel tanks and a worn out eng driven fuel pump which allowed fuel to be pumped overboard. No flt plan was filed. During his VMC x-country flt, the eng failed and an unsuccessful autorotation…
- [NTSB MIA85LA133](https://openairdocs.org/ntsb/MIA85LA133.md): Hughes 269C · Tampa, FL · Accident · No injuries · Limited investigation · Final report · Mar 26, 1985 · N58208 · Substantial damage
  > The instructor plt (CFI) reported that while practicing a taxi/hover autorotation, the helicopter settled onto a soft area in the turf. He reported that the student over-controlled with right anti-torque pedal & the helicopter settled in a left skid. The CFI…
- [NTSB SEA85LA079](https://openairdocs.org/ntsb/SEA85LA079.md): Hughes 269C · Elma, WA · Accident · No injuries · Limited investigation · Final report · Mar 20, 1985 · N9592F · Substantial damage
  > Just prior to lift-off a vibration accompanied by lateral rocking occurred. Although the plt brought the power to idle. The helicopter had already started to come apart. During engine examination it was found that the ground resonance occurred due to under to…

## 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") = 1985
  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=1985

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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.