# NTSB investigations: Lycoming VO-435 series, 1970

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 FTW71DRG55](https://openairdocs.org/ntsb/FTW71DRG55.md): Bell 47G-2 · Corpus Chrsti, TX · Accident · No injuries · Closed · Dec 4, 1970 · N4823 · Substantial damage
- [NTSB LAX71FUJ40](https://openairdocs.org/ntsb/LAX71FUJ40.md): Bell 47G-5 · El Mirage, AZ · Accident · Serious injuries · Closed · Oct 24, 1970 · N1375X · Destroyed
- [NTSB NYC71DHM06](https://openairdocs.org/ntsb/NYC71DHM06.md): Bell 47G2 · Spring Valley, NY · Accident · No injuries · Closed · Oct 12, 1970 · N12848 · Substantial damage
- [NTSB ANC71FAA19](https://openairdocs.org/ntsb/ANC71FAA19.md): Bell 47G-2 · Fairbanks, AK · Accident · No injuries · Closed · Sep 25, 1970 · N977B · Substantial damage
- [NTSB SEA71FWG17](https://openairdocs.org/ntsb/SEA71FWG17.md): Bell 47G-2 · Wenatchee, WA · Accident · Minor injuries · Closed · Sep 9, 1970 · N2483B · Substantial damage
- [NTSB NYC71FHJ07](https://openairdocs.org/ntsb/NYC71FHJ07.md): Bell 47-G5 · Wading River, NY · Accident · No injuries · Closed · Sep 2, 1970 · N8593F · Substantial damage
- [NTSB NYC71FHD18](https://openairdocs.org/ntsb/NYC71FHD18.md): Bell 47G-2 · Medford, NJ · Accident · No injuries · Closed · Aug 24, 1970 · N8426E · Substantial damage
- [NTSB CHI71DDJ11](https://openairdocs.org/ntsb/CHI71DDJ11.md): Bell 47D1 · Manitowish, WI · Accident · No injuries · Closed · Aug 21, 1970 · N4252A · Substantial damage
- [NTSB NYC71DHD19](https://openairdocs.org/ntsb/NYC71DHD19.md): Bell 47G2 · Manahawkin, NJ · Accident · No injuries · Closed · Aug 19, 1970 · N3105G · Substantial damage
- [NTSB MIA71FLD10](https://openairdocs.org/ntsb/MIA71FLD10.md): Bell 47G-5 · Frostproof, FL · Accident · Minor injuries · Closed · Aug 17, 1970 · N4096G · Destroyed
- [NTSB IAD71DLJ09](https://openairdocs.org/ntsb/IAD71DLJ09.md): Bell 47G-2 · Pactolus, NC · Accident · No injuries · Closed · Aug 14, 1970 · N73264 · Destroyed
- [NTSB SEA71DWD09](https://openairdocs.org/ntsb/SEA71DWD09.md): Bell 47G3B1 · Diablo, WA · Accident · Minor injuries · Closed · Aug 7, 1970 · N1182W · Substantial damage
- [NTSB LAX71FUQ14](https://openairdocs.org/ntsb/LAX71FUQ14.md): Bell 47G-2 · Oxnard, CA · Accident · Minor injuries · Closed · Jul 30, 1970 · N972B · Destroyed
- [NTSB FTW71DPG02](https://openairdocs.org/ntsb/FTW71DPG02.md): Bell 47G-2 · Norfork, AR · Accident · No injuries · Closed · Jul 30, 1970 · N6744D · Substantial damage
- [NTSB MKC71DDM14](https://openairdocs.org/ntsb/MKC71DDM14.md): Bell 47G-2 · Morton, MN · Accident · No injuries · Closed · Jul 27, 1970 · N13298 · Substantial damage
- [NTSB MKC71DCD13](https://openairdocs.org/ntsb/MKC71DCD13.md): Bell 47G-5 · Conrad, IA · Accident · No injuries · Closed · Jul 21, 1970 · N8140J · Substantial damage
- [NTSB LAX71DUM06](https://openairdocs.org/ntsb/LAX71DUM06.md): Bell 47G5 · Imperial, CA · Accident · No injuries · Closed · Jul 19, 1970 · N7840S · Substantial damage
- [NTSB MIA70FLD32](https://openairdocs.org/ntsb/MIA70FLD32.md): Bell 47-G2 · Kissimmee, FL · Accident · No injuries · Closed · Jun 19, 1970 · N6750D · Destroyed
- [NTSB NYC70DFM16](https://openairdocs.org/ntsb/NYC70DFM16.md): Bell 47G2 · Danbury, CT · Accident · No injuries · Closed · Jun 8, 1970 · N5193B · Substantial damage
- [NTSB MKC70DCA14](https://openairdocs.org/ntsb/MKC70DCA14.md): Bell 47D1 · Perry, MO · Accident · No injuries · Closed · Jun 7, 1970 · N8117 · Destroyed
- [NTSB OAK70DVM17](https://openairdocs.org/ntsb/OAK70DVM17.md): Bell 47G-2 · Gonzales, CA · Accident · No injuries · Closed · May 29, 1970 · N6709D · Substantial damage
- [NTSB FTW70DPD12](https://openairdocs.org/ntsb/FTW70DPD12.md): Bell 47G4 · Stamford, TX · Accident · No injuries · Closed · May 21, 1970 · N73979 · Substantial damage
- [NTSB SEA70FWD13](https://openairdocs.org/ntsb/SEA70FWD13.md): Bell 47-G2 · Maple Valley, WA · Accident · No injuries · Closed · May 9, 1970 · N6141 · Substantial damage
- [NTSB CHI70DGJ13](https://openairdocs.org/ntsb/CHI70DGJ13.md): Bell 47G-5 · Inez, KY · Accident · Minor injuries · Closed · Apr 15, 1970 · N1470W · Substantial damage
- [NTSB MIA70FLA11](https://openairdocs.org/ntsb/MIA70FLA11.md): Bell 47G-5 · Jasper, FL · Accident · Minor injuries · Closed · Mar 23, 1970 · N7841S · Substantial damage
- [NTSB SEA70DWD05](https://openairdocs.org/ntsb/SEA70DWD05.md): Bell 47G-2 · Rochester, WA · Accident · No injuries · Closed · Feb 25, 1970 · N2899B · Substantial damage
- [NTSB FTW70FRD04](https://openairdocs.org/ntsb/FTW70FRD04.md): Bell 47J · Patterson, LA · Accident · No injuries · Closed · Feb 25, 1970 · N7819B · Destroyed
- [NTSB FTW70FPD03](https://openairdocs.org/ntsb/FTW70FPD03.md): Bell 47G-5 · Saginaw, TX · Accident · No injuries · Closed · Jan 16, 1970 · N2252W · 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 year(c."eventDate") = 1970
  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=1970

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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.