# NTSB investigations: Continental E185 series, 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 SEA91LA226](https://openairdocs.org/ntsb/SEA91LA226.md): Ryan Navion · Chelan, WA · Accident · No injuries · Limited investigation · Final report · Sep 1, 1991 · N4111K · Substantial damage
  > Poor in flight planning/decision by the pilot in command. Factors to the accident were: down drafts, proper alignment was not maintained and inadequate remedial action.
- [NTSB FTW91FA109](https://openairdocs.org/ntsb/FTW91FA109.md): North American NA1 · Mountain Home, AR · Accident · Serious injuries · Field investigation · Final report · Jun 28, 1991 · N91108 · Destroyed
  > The contamination of the airplane's fuel system and the foreign object blockage of the vapor return orifice which induced the power loss. A factor was the lack of suitable terrain.
- [NTSB SEA91FA110](https://openairdocs.org/ntsb/SEA91FA110.md): Beech 35 · Harrison, ID · Accident · 1 fatal · Field investigation · Final report · May 20, 1991 · N3842N · Destroyed
  > Improper preflight planning/preparation by the pilot. The terrain condition and the pilot's lack of total experience were related factors.
- [NTSB MIA91LA077](https://openairdocs.org/ntsb/MIA91LA077.md): Ryan Navion · Lake City, FL · Accident · No injuries · Limited investigation · Final report · Feb 3, 1991 · N4154K · Substantial damage
  > In-flight encounter with wind shear while on short final resulting in a hard landing.
- [NTSB SEA91FA261](https://openairdocs.org/ntsb/SEA91FA261.md): Beech 35 · Walla Walla, WA · Accident · No injuries · Field investigation · Final report · Jan 16, 1991 · N3081V · Substantial damage
  > Improper static balance of the ruddervators following rebuilding/repainting, which resulted in empennage flutter. Improper installation of the trim tabs and an encounter with turbulence were related factors.

## 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 ('17014'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17014&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.