# NTSB investigations: Lycoming VO-435 series, 1975

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 CHI76FCA03](https://openairdocs.org/ntsb/CHI76FCA03.md): Bell 47G2 · Sauget, IL · Accident · No injuries · Closed · Oct 18, 1975 · N88755 · Substantial damage
- [NTSB MIA76FKQ19](https://openairdocs.org/ntsb/MIA76FKQ19.md): Bell 47G2 · Sumner, MS · Accident · No injuries · Closed · Sep 27, 1975 · N993B · Substantial damage
- [NTSB LAX76DUJ29](https://openairdocs.org/ntsb/LAX76DUJ29.md): Bell 47G-5 · Chandler, AZ · Accident · No injuries · Closed · Sep 8, 1975 · N4099G · Substantial damage
- [NTSB ANC75AA029](https://openairdocs.org/ntsb/ANC75AA029.md): Bell 47G-2 · Hurricane, AK · Accident · No injuries · Closed · Aug 27, 1975 · N6140C · Substantial damage
- [NTSB MIA76FLG13](https://openairdocs.org/ntsb/MIA76FLG13.md): Bell 47G-2 · Elliott, SC · Accident · Minor injuries · Closed · Aug 26, 1975 · N6711D · Substantial damage
- [NTSB MIA76FKQ07](https://openairdocs.org/ntsb/MIA76FKQ07.md): Bell 47G-2 · Itta Bena, MS · Accident · Serious injuries · Closed · Aug 14, 1975 · N4823 · Substantial damage
- [NTSB MKC76AK012](https://openairdocs.org/ntsb/MKC76AK012.md): Bell 47G-5 · Keystone, SD · Accident · 3 fatal · Closed · Aug 5, 1975 · N4753R · Substantial damage
- [NTSB LAX76FUQQ5](https://openairdocs.org/ntsb/LAX76FUQQ5.md): Bell 47G-2 · Valencia, CA · Accident · No injuries · Closed · Aug 4, 1975 · N2879B · Substantial damage
- [NTSB ANC76AA013](https://openairdocs.org/ntsb/ANC76AA013.md): Hiller Acft UH-12D · Nome, AK · Accident · Minor injuries · Closed · Jul 28, 1975 · N87578 · Substantial damage
- [NTSB MKC76FTK02](https://openairdocs.org/ntsb/MKC76FTK02.md): Bell 47-G2A · Keystone, SD · Accident · Minor injuries · Closed · Jul 25, 1975 · N7578 · Substantial damage
- [NTSB NYC76DHJ01](https://openairdocs.org/ntsb/NYC76DHJ01.md): Bell 47G-2 · Orient Point, NY · Accident · No injuries · Closed · Jul 21, 1975 · N6173 · Destroyed
- [NTSB OAK75FVG79](https://openairdocs.org/ntsb/OAK75FVG79.md): Tomcat MK 5A · Gridley, CA · Accident · 1 fatal · Closed · Jun 25, 1975 · N9001T · Destroyed
- [NTSB CHI75FEK32](https://openairdocs.org/ntsb/CHI75FEK32.md): Bell 47G2 · Paulding, OH · Accident · No injuries · Closed · Jun 19, 1975 · N555D · Substantial damage
- [NTSB LAX75FYM34](https://openairdocs.org/ntsb/LAX75FYM34.md): Hiller Acft UH-12D · Paso Robles, CA · Accident · Serious injuries · Closed · Jun 12, 1975 · N96M · Destroyed
- [NTSB MKC75DER73](https://openairdocs.org/ntsb/MKC75DER73.md): Bell 47G2 · Rosemount, MN · Accident · No injuries · Closed · Jun 3, 1975 · N108DA · Substantial damage
- [NTSB SEA75DYC40](https://openairdocs.org/ntsb/SEA75DYC40.md): Bell 47G-2A · Corvallis, OR · Accident · Serious injuries · Closed · May 31, 1975 · N5161B · Destroyed
- [NTSB FTW75DPG68](https://openairdocs.org/ntsb/FTW75DPG68.md): Bell 47G-2 · Denmark, AR · Accident · Minor injuries · Closed · May 26, 1975 · N38926 · Substantial damage
- [NTSB IAD75FID21](https://openairdocs.org/ntsb/IAD75FID21.md): Bell 47G4 · Creeds, VA · Accident · Minor injuries · Closed · May 23, 1975 · N7764 · Destroyed
- [NTSB OAK75DVD48](https://openairdocs.org/ntsb/OAK75DVD48.md): Bell 47G-5 · Oakland, CA · Accident · No injuries · Closed · May 21, 1975 · N7832S · Substantial damage
- [NTSB OAK75FJA10](https://openairdocs.org/ntsb/OAK75FJA10.md): Tomcat MK-5 · Ewa, HI · Accident · Minor injuries · Closed · May 9, 1975 · N9014T · Substantial damage
- [NTSB ANC75AAG87](https://openairdocs.org/ntsb/ANC75AAG87.md): Bell 47G-2 · Anchorage, AK · Accident · No injuries · Closed · May 1, 1975 · N6140C · Substantial damage
- [NTSB OAK75FVW17](https://openairdocs.org/ntsb/OAK75FVW17.md): Bell 47G-5 · Las Vegas, NV · Accident · No injuries · Closed · Apr 16, 1975 · N1376X · Substantial damage
- [NTSB NYC75FEV23](https://openairdocs.org/ntsb/NYC75FEV23.md): Bell 47G-2 · Eddyville, IL · Accident · No injuries · Closed · Mar 17, 1975 · N972B · Substantial damage
- [NTSB CHI75FEI31](https://openairdocs.org/ntsb/CHI75FEI31.md): K-Copter 47G-2 · Wakeman, OH · Accident · Minor injuries · Closed · Feb 1, 1975 · N7730 · Destroyed

## 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") = 1975
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41525'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41525&year=1975

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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.