# NTSB investigations: Beech S35: Loss of control in flight

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 CEN21FA007](https://openairdocs.org/ntsb/CEN21FA007.md): Beech S35 · Telluride, CO · Accident · 2 fatal · Class 3 · Field · Final report · Oct 5, 2020 · N4444K · Substantial damage
  > The pilot’s loss of control during the climb to cruise flight resulting in the airplane’s impact with terrain. Contributing to the accident was the pilot’s decision to not climb to a higher altitude before proceeding over high terrain.
- [NTSB CEN13LA072](https://openairdocs.org/ntsb/CEN13LA072.md): Beech S35 · DeRidder, LA · Accident · Serious injuries · Limited investigation · Final report · Nov 25, 2012 · N322D · Substantial damage
  > A total loss of engine power due to oil starvation after the oil filler cap separated from the oil filler tube during flight due to corrosion. Contributing to the accident was the pilot's failure to maintain airspeed during low altitude operations, which…
- [NTSB CEN12FA271](https://openairdocs.org/ntsb/CEN12FA271.md): Beech S35 · Lake in the Hills, IL · Accident · 2 fatal · Field investigation · Final report · May 3, 2012 · N176Q · Substantial damage
  > The pilot's excessive bank angle while on approach to land, which resulted in an inadvertent aerodynamic stall and spin.
- [NTSB WPR11FA090](https://openairdocs.org/ntsb/WPR11FA090.md): Beech S35 · Chester, CA · Accident · 2 fatal · Field investigation · Final report · Jan 7, 2011 · N5866S · Substantial damage
  > The pilot's loss of control while maneuvering to land, most likely due to spatial disorientation.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1151532')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '240' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/240/sequence?model=1151532

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