# NTSB investigations: Beech 35: Loss of engine power(partial) - mech failure/malf

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 DEN07LA083](https://openairdocs.org/ntsb/DEN07LA083.md): Beech 35 · Topeka, KS · Accident · Minor injuries · Limited investigation · Final report · Apr 9, 2007 · N460B · Substantial damage
  > The use of unapproved bolts to mount the crankshaft and gear together, causing fatigue and failure of those mounting bolts, resulting in the subsequent loss of engine power. Factors contributing to the accident were the separation of the crankshaft gear, and…
- [NTSB DEN02LA064](https://openairdocs.org/ntsb/DEN02LA064.md): Beech 35 · Cortez, CO · Accident · Serious injuries · Limited investigation · Final report · Jun 29, 2002 · N404B · Substantial damage
  > an inadvertent stall as the pilot attempted to clear a cliff and ravine and avoid power lines, resulting in a collision with the ground. Contributing factors were a loss of engine power for undetermined reasons, a leaking carburetor and fuel pump, and the…
- [NTSB LAX98LA243](https://openairdocs.org/ntsb/LAX98LA243.md): Beech 35 · Temecula, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 24, 1998 · N2720V · Destroyed
  > A partial loss of engine power due to a disconnected throttle linkage, which was the result of an inadequate maintenance installation/inspection.
- [NTSB MIA93FA190](https://openairdocs.org/ntsb/MIA93FA190.md): Beech 35 · Frisco, NC · Accident · Serious injuries · Field investigation · Final report · Sep 6, 1993 · N88V · Substantial damage
  > The pilot's failure to maintain airspeed (vso) resulting in a stall/mush. Contributing to the accident was the near total loss of engine power due to separation of one of the two counterweights for undetermined reasons.

## 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 ('1151502')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 352))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1151502&occurrence=352

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