# NTSB investigations: Lycoming VO-435 series, 2003

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 MIA04FA008](https://openairdocs.org/ntsb/MIA04FA008.md): Bell 47G-2A-1 · Balm, FL · Accident · 2 fatal · Field investigation · Final report · Oct 21, 2003 · N73979 · Destroyed
  > The pilot's intentional buzzing and his failure to maintain altitude/clearance which resulted in an in-flight collision with a building.
- [NTSB LAX03CA285](https://openairdocs.org/ntsb/LAX03CA285.md): Bell 47G-5 · Greenfield, CA · Accident · No injuries · Data collection · Final report · Sep 13, 2003 · N7060J · Substantial damage
  > the pilot's failure to maintain clearance with the wires due to an inadequate visual lookout.
- [NTSB CHI03FA277](https://openairdocs.org/ntsb/CHI03FA277.md): Bell TH-13T · Light, AR · Accident · Serious injuries · Field investigation · Final report · Aug 21, 2003 · N38CD · Substantial damage
  > The total failure and seizure of the main rotor transmission while in cruise flight leading to the helicopter’s impact with terrain.
- [NTSB NYC03CA170](https://openairdocs.org/ntsb/NYC03CA170.md): Bell 47G-2A · Jackson, NJ · Accident · No injuries · Data collection · Final report · Jul 30, 2003 · N7796C · Substantial damage
  > Pilot's inadequate preflight inspection and failure to remove a pesticide spraying hose from the helicopter prior to takeoff, which resulted in a loss of control.
- [NTSB LAX03LA236](https://openairdocs.org/ntsb/LAX03LA236.md): Bell 47G-2A · Porterville, CA · Accident · No injuries · Limited investigation · Final report · Jul 20, 2003 · N4774S · Substantial damage
  > Fatigue-induced failure of bolts in the helicopter's rotor drive flange, which resulted in a total loss of torque to the rotor drive shaft.
- [NTSB CHI03LA210](https://openairdocs.org/ntsb/CHI03LA210.md): Bell 47G-5 · Cleveland, MN · Accident · Serious injuries · Limited investigation · Final report · Jul 15, 2003 · N7925J · Destroyed
  > The pilot's inadequate visual lookout and low altitude flight when he failed to maintain altitude/clearance from the transmission wire. A factor contributing to the accident was the transmission wire.
- [NTSB CHI03LA204](https://openairdocs.org/ntsb/CHI03LA204.md): Continental Copters MK6B · Ft. Yates, ND · Accident · No injuries · Limited investigation · Final report · Jul 9, 2003 · N9080T · Substantial damage
  > The inadvertent settling with power and unsuccessful remedial action by the pilot. A factor to the accident was the potato crop.
- [NTSB CHI03LA184](https://openairdocs.org/ntsb/CHI03LA184.md): Bell 47G-5A · Sandusky, MI · Accident · No injuries · Limited investigation · Final report · Jun 28, 2003 · N8413D · Substantial damage
  > The failure of the ignition switch leading to an engine power loss in cruise flight and the subsequent high flare during autorotation. Factors contributing to the accident were the pilot's misjudgment of the landing flare and the unsuitable terrain…

## 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") = 2003
  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=2003

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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.