# NTSB investigations: Lycoming VO-435 series, 2001

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 MIA02FA045](https://openairdocs.org/ntsb/MIA02FA045.md): Piper PA-32-260 · Jacksonville, FL · Accident · 4 fatal · Field investigation · Final report · Dec 13, 2001 · N7701J · Destroyed
  > The pilot becoming spatially disoriented and losing control of the airplane during a missed approach resulting in the airplane descending uncontrolled and colliding with trees and the ground.
- [NTSB FTW01LA202](https://openairdocs.org/ntsb/FTW01LA202.md): Hiller UH-12D · Lubbock, TX · Accident · Minor injuries · Limited investigation · Final report · Sep 3, 2001 · N2770 · Substantial damage
  > the failure of the tail rotor drive shaft hanger bearing, which resulted in the separation of the tail rotor drive shaft. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI01LA259](https://openairdocs.org/ntsb/CHI01LA259.md): Bell 47G-2 · Blooming Prairi, MN · Accident · No injuries · Limited investigation · Final report · Aug 5, 2001 · N440TG · Substantial damage
  > The reported loss of engine power for undetermined reasons during a the cruise portion of a CFR part 137 observation, and the pilot not following the height/velocity charts data.
- [NTSB ATL01LA075](https://openairdocs.org/ntsb/ATL01LA075.md): Bell 47 · Indianola, MS · Accident · No injuries · Limited investigation · Final report · Jul 10, 2001 · N8478D · Substantial damage
  > The pilot's improper use of flight controls during an autorotation that resulted inn the collapse of the skids and cross tube assembly. A factor was the loss of engine power due to the failure of # 1 connecting rod and the overload failure of the skids and…
- [NTSB NYC01LA130](https://openairdocs.org/ntsb/NYC01LA130.md): Continental Copters Tom Cat Mark 5A · Benton, PA · Accident · No injuries · Limited investigation · Final report · May 29, 2001 · N25561 · Substantial damage
  > The pilot's inadequate preflight inspection, which resulted in a takeoff with a hose still attached and a subsequent dynamic rollover.

## 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") = 2001
  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=2001

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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.