# NTSB investigations: Helio HT-295

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 ERA25LA091](https://openairdocs.org/ntsb/ERA25LA091.md): Helio HT-295 · Marion, OH · Accident · No injuries · Class 3 · Limited · Final report · Jan 5, 2025 · N18JC · Substantial damage
  > The failure of the right main landing gear spring due to intergranular stress-corrosion cracking that progressed into fatigue. Contributing to the accident was the improper rework of the spring at an undetermined time.
- [NTSB GAA21WA226](https://openairdocs.org/ntsb/GAA21WA226.md): Helio HT-295 · Pista Del, Guatemala · Accident · Minor injuries · Class 5 · Foreign · Sep 13, 2021 · N808BD
- [NTSB FTW96LA035](https://openairdocs.org/ntsb/FTW96LA035.md): Helio HT-295 · Llano, TX · Accident · Serious injuries · Limited investigation · Final report · Nov 1, 1995 · N68889 · Destroyed
  > The pilot's encounter with a downdraft and his inability to outclimb rising terrain. Factors were the rising terrain and high winds.
- [NTSB LAX88LA123](https://openairdocs.org/ntsb/LAX88LA123.md): Helio HT-295 · Oracle, AZ · Accident · No injuries · Limited investigation · Final report · Mar 10, 1988 · N68871 · Destroyed
  > Engine failure for undetermined reasons.
- [NTSB FTW81FPD13](https://openairdocs.org/ntsb/FTW81FPD13.md): Helio HT-295 · Grayford, TX · Accident · No injuries · Closed · Feb 3, 1981 · N5399G · Substantial damage
- [NTSB MIA75DLG17](https://openairdocs.org/ntsb/MIA75DLG17.md): Helio Acft H-295 · Cross Anchor, SC · Accident · No injuries · Closed · Nov 2, 1974 · N68880 · Substantial damage
- [NTSB MIA75DKA01](https://openairdocs.org/ntsb/MIA75DKA01.md): Helio Acft H-295 · Mayaguez, PR · Accident · No injuries · Closed · Sep 8, 1974 · N68870 · 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('4300803'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4300803

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