# NTSB investigations: Lycoming VO-435 series, 2004

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 CHI04CA229](https://openairdocs.org/ntsb/CHI04CA229.md): Bell 47G2 · Muncie, IN · Accident · No injuries · Data collection · Final report · Aug 14, 2004 · N96MB · Destroyed
  > The engine failure for an undetermined reason, and the pilot's inability to properly level-off for landing due to the low rotor speed, which resulted in the hard landing. The low altitude where the engine failure occurred was a factor.
- [NTSB FTW04CA207](https://openairdocs.org/ntsb/FTW04CA207.md): Bell 47G-3B-1 · Troy, TX · Accident · No injuries · Data collection · Final report · Aug 5, 2004 · N47713 · Substantial damage
  > The flight instructor's improper flare, resulting in a hard landing. A contributing factor was the high density altitude.
- [NTSB CHI04CA180](https://openairdocs.org/ntsb/CHI04CA180.md): Texas Helicopter M-74 · Clear Lake, MN · Accident · No injuries · Data collection · Final report · Jul 9, 2004 · N10009 · Substantial damage
  > The pilot failed to maintain a proper glidepath to the landing zone. A factor was the truck pad.
- [NTSB LAX04LA158](https://openairdocs.org/ntsb/LAX04LA158.md): Quinn E L Tom Cat MK-5A · Galt, CA · Accident · No injuries · Limited investigation · Final report · Mar 15, 2004 · N8429 · Substantial damage
  > a loss of engine power due to water contamination of the fuel system.

## 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") = 2004
  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=2004

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