# NTSB investigations: Lycoming HO-360 series: Airframe/component/system failure/malfunction

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 LAX04LA331](https://openairdocs.org/ntsb/LAX04LA331.md): Schweizer 269C-1 · Burbank, CA · Accident · No injuries · Limited investigation · Final report · Sep 25, 2004 · N61413 · Substantial damage
  > the failure of maintenance personnel to correctly service the forward landing gear strut dampers in accordance with the manufacturer's maintenance instructions.
- [NTSB FTW03FA028](https://openairdocs.org/ntsb/FTW03FA028.md): Hughes 269A · Fort Gibson, OK · Accident · 1 fatal · Field investigation · Final report · Nov 1, 2002 · N8885F · Destroyed
  > The in-flight separation of the tail boom resulting from the failure of the fuselage to tail boom attachment fitting lugs, due to fatigue.
- [NTSB LAX02LA228](https://openairdocs.org/ntsb/LAX02LA228.md): Schweizer 269C-1 · Concord, CA · Accident · No injuries · Limited investigation · Final report · Jul 15, 2002 · N20256 · Substantial damage
  > The main rotor mast support tube failure as a result of fatigue.
- [NTSB NYC98LA076](https://openairdocs.org/ntsb/NYC98LA076.md): Enstrom F-28A · Blue Ash, OH · Accident · No injuries · Limited investigation · Final report · Mar 12, 1998 · N4884 · Substantial damage
  > The failure of a cooling fan blade and the pilot's improper flare.
- [NTSB LAX90LA187](https://openairdocs.org/ntsb/LAX90LA187.md): Hughes 269C · Rialto, CA · Accident · No injuries · Limited investigation · Final report · May 23, 1990 · N7441F · Substantial damage
  > Improper maintenance procedure by maintenance personnel to troubleshoot a reported deficiency and the pilot's decision to demonstrate the vibration, exceeding the design limits of the helicopter and inducing ground resonance. Contributing to the accident was…
- [NTSB SEA90LA084](https://openairdocs.org/ntsb/SEA90LA084.md): Hughes 269A · Bremerton, WA · Accident · No injuries · Limited investigation · Final report · May 22, 1990 · N8888F · Substantial damage
  > Failure of the tail rotor control for an undetermined reason.
- [NTSB MKC90LA102](https://openairdocs.org/ntsb/MKC90LA102.md): Lightcap PITTS-S-1D · Larned, KS · Accident · No injuries · Limited investigation · Final report · May 7, 1990 · N64585 · Substantial damage
  > Failure of the main landing gear attachment strut, due to fatigue.
- [NTSB FTW85LA030](https://openairdocs.org/ntsb/FTW85LA030.md): Hughes 269A · Terrell, TX · Accident · Minor injuries · Limited investigation · Final report · Oct 29, 1984 · N8856F · Substantial damage
  > Acft was substantially damaged during an autorotative landing after the plt heard a 'loud pop' from the rear of the helicopter. Investigation revealed the spines on the lower pulley shaft coupling were severly stripped.

## 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 ('41513')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41513&occurrence=130

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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.
