# NTSB investigations: Volkswagen CONVERSION, 1991

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 MIA91LA194](https://openairdocs.org/ntsb/MIA91LA194.md): Schultz Avid Flyer 502 · O'Brien, FL · Accident · Minor injuries · Limited investigation · Final report · Aug 8, 1991 · N15DW · Substantial damage
  > The pilot in command's improper planned final approach, which resulted in an in flight collision with an electrical service line, and in flight collision with terrain.
- [NTSB NYC91DFJ01](https://openairdocs.org/ntsb/NYC91DFJ01.md): Sterns Sterns Longster · Mayville, NY · Accident · 1 fatal · Final report · Jul 1, 1991 · N891DS · Destroyed
  > The failure of the pilot to maintain airspeed, which resulted in a stall and spin at a low altitude. Also causal to the accident was the lack of experience of the pilot in this make and model airplane.
- [NTSB ATL91LA111](https://openairdocs.org/ntsb/ATL91LA111.md): Rider-Charles Aerosport Scamp · Raeford, NC · Accident · 1 fatal · Limited investigation · Final report · Jun 15, 1991 · N9994A · Destroyed
  > The pilot's improper adjustment of the engine carburetor, and his operation of the aircraft with a known powerplant deficiency. Factors in this accident were: the lack of spring tension for the fuel mixture, and the fouled condition of the engine spark plugs.
- [NTSB MIA91LA145](https://openairdocs.org/ntsb/MIA91LA145.md): Corley Hubert KR-2 · Venice, FL · Accident · Serious injuries · Limited investigation · Final report · May 14, 1991 · N420DC · Substantial damage
  > The pilot's improper use of flight controls.

## 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") = 1991
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('63501'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=63501&year=1991

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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.