# NTSB investigations: Lycoming VO-435 series, MS

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 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 MIA89LA221](https://openairdocs.org/ntsb/MIA89LA221.md): Continental Copters Tomcat MK6C · Quitman, MS · Accident · Serious injuries · Limited investigation · Final report · Aug 14, 1989 · N9085T · Destroyed
  > Failure of the tail boom attachment.
- [NTSB MIA88LA250](https://openairdocs.org/ntsb/MIA88LA250.md): Continental Copters MK-5A · Valley Park, MS · Accident · Minor injuries · Limited investigation · Final report · Aug 10, 1988 · N9086T · Substantial damage
  > The pilot stated that he thought he had 8 gallons of fuel prior to takeoff. The engine failed about 100 ft AGL and he attempted to stretch the glide of the helicopter by using collective pitch. The aircraft hit hard and rolled over. Only 1 quart of fuel was…
- [NTSB MIA87LA145](https://openairdocs.org/ntsb/MIA87LA145.md): Bell 47G-2 · Rolling Fork, MS · Accident · No injuries · Limited investigation · Final report · Apr 25, 1987 · N202CH · Substantial damage
  > While landing downwind, at an alt of aprx 20 feet, the helicopter began to settle with power. The pilot then attempted to stop the descent, however, because of insufficient alt & airspeed, was unable. The helicopter then landed hard, rolled over, after which,…
- [NTSB ATL83LA220](https://openairdocs.org/ntsb/ATL83LA220.md): Texas Helicopter OH-13H/M74A · Ruleville, MS · Accident · No injuries · Limited investigation · Final report · Jun 8, 1983 · N1001G · Substantial damage
  > The plt reported that the engine lost power during a swath run. A run-on landing was made. Prior to stopping, the right skid & right spray boom hit a rice level, and subsequenily, the main rotor blade chopped the tail boom. No preimpact failures were found.
- [NTSB MIA79FLT02](https://openairdocs.org/ntsb/MIA79FLT02.md): Bell 47G5 · Paden, MS · Accident · No injuries · Closed · Dec 19, 1978 · N4713R · Substantial damage
- [NTSB MIA76FKQ19](https://openairdocs.org/ntsb/MIA76FKQ19.md): Bell 47G2 · Sumner, MS · Accident · No injuries · Closed · Sep 27, 1975 · N993B · Substantial damage
- [NTSB MIA76FKQ07](https://openairdocs.org/ntsb/MIA76FKQ07.md): Bell 47G-2 · Itta Bena, MS · Accident · Serious injuries · Closed · Aug 14, 1975 · N4823 · Substantial damage
- [NTSB MIA75FKQ02](https://openairdocs.org/ntsb/MIA75FKQ02.md): Bell 47G-2 · Raleigh, MS · Accident · Minor injuries · Closed · Jul 11, 1974 · N4823 · Substantial damage
- [NTSB MIA73FKQ30](https://openairdocs.org/ntsb/MIA73FKQ30.md): Bell 47G2-2 · Grenada, MS · Accident · No injuries · Closed · Jun 25, 1973 · N4823 · 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" = 'MS' 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=MS

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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.