# NTSB investigations: Continental W670 series, 1993

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 FTW94LA054](https://openairdocs.org/ntsb/FTW94LA054.md): Boeing A75N1 · Madisonville, TX · Accident · No injuries · Limited investigation · Final report · Dec 19, 1993 · N55133 · Substantial damage
  > The pilot's continued flight into adverse weather. Factors were weather conditions and collision with a sign.
- [NTSB CHI94LA007](https://openairdocs.org/ntsb/CHI94LA007.md): Boeing 75N1 · St Paul, MN · Accident · Minor injuries · Limited investigation · Final report · Oct 6, 1993 · N81235 · Substantial damage
  > Failure of the pilot to maintain proper altitude.
- [NTSB CHI93LA357](https://openairdocs.org/ntsb/CHI93LA357.md): Boeing A75N1 · Springfield, MO · Accident · Serious injuries · Limited investigation · Final report · Sep 12, 1993 · N54941 · Substantial damage
  > the disconnection of the primer supply line at the fuel strainer.
- [NTSB CHI93LA349](https://openairdocs.org/ntsb/CHI93LA349.md): Boeing Stearman A75N1 · Delevan, WI · Accident · No injuries · Limited investigation · Final report · Sep 3, 1993 · N55501 · Substantial damage
  > the excessive use of brakes and rudder by the pilot-in-command. A factor related to the accident was the pilot-in-command's lack of total experience in this type of aircraft.
- [NTSB LAX93LA117](https://openairdocs.org/ntsb/LAX93LA117.md): Boeing A75N1 · Hughson, CA · Accident · No injuries · Limited investigation · Final report · Feb 12, 1993 · N62733 · Substantial damage
  > The failure of the intake valve. The soft terrain contributed to this accident.

## 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") = 1993
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17018'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17018&year=1993

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