# NTSB investigations: Lycoming VO-435 series, OH

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 CHI84LA317](https://openairdocs.org/ntsb/CHI84LA317.md): Bell 47-G2 · Jeffersonville, OH · Accident · No injuries · Limited investigation · Final report · Jul 29, 1984 · N59H · Substantial damage
  > The acft started to settle with power during takeoff after the acft was loaded with chemicals. The plt said he had a choice of, going through a fence or over it and decided to go over it. Pulling collective bled off m/r and the acft stopped flying. The tail…
- [NTSB CHI82DA198](https://openairdocs.org/ntsb/CHI82DA198.md): Bell 47G-5A · New Philadelphi, OH · Accident · Minor injuries · Final report · Jun 1, 1982 · N2988W · Destroyed
  > While patrolling a powerline, the pilot heard a loud noise, similar to a gunshot, which seemed to come from directly behind the firewall. Immediately after that, the helicopter started to pitch up and roll to the right. He reported that the helicopter reached…
- [NTSB CHI79FEI25](https://openairdocs.org/ntsb/CHI79FEI25.md): Bell 47G-2A · Carrollton, OH · Accident · Serious injuries · Closed · Jun 3, 1979 · N7575 · Substantial damage
- [NTSB CHI79DEG13](https://openairdocs.org/ntsb/CHI79DEG13.md): Bell 47G-2 · Piqua, OH · Accident · Minor injuries · Closed · May 23, 1979 · N4423 · Substantial damage
- [NTSB CHI78FEK27](https://openairdocs.org/ntsb/CHI78FEK27.md): Hiller UH12E · Findlay, OH · Accident · No injuries · Closed · Aug 25, 1978 · N9759C · Substantial damage
- [NTSB CHI75FEK32](https://openairdocs.org/ntsb/CHI75FEK32.md): Bell 47G2 · Paulding, OH · Accident · No injuries · Closed · Jun 19, 1975 · N555D · 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
- [NTSB CHI75FEI01](https://openairdocs.org/ntsb/CHI75FEI01.md): Bell 47G-5 · Wauseon, OH · Accident · Minor injuries · Closed · Jul 8, 1974 · N4041G · Substantial damage
- [NTSB CHI73FEK07](https://openairdocs.org/ntsb/CHI73FEK07.md): Bell 47G-4 · Cambridge, OH · Accident · No injuries · Closed · Oct 2, 1972 · N73979 · Substantial damage
- [NTSB CHI70F0264](https://openairdocs.org/ntsb/CHI70F0264.md): Bell 47G-2 · Gallipolis, OH · Accident · No injuries · Closed · Sep 22, 1969 · N6776D · Destroyed
- [NTSB CHI68A0070](https://openairdocs.org/ntsb/CHI68A0070.md): Bell 47J · Harrison, OH · Accident · No injuries · Closed · Feb 9, 1968 · N2895B · 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."eventStateOrRegion" = 'OH' AND c."eventCountry" = 'USA'
  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&state=OH

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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.