# NTSB investigations: Franklin 6A4165 series: Loss of engine power(total) - 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 ATL03LA117](https://openairdocs.org/ntsb/ATL03LA117.md): Stinson 108-3 · Hendersonville, TN · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 2003 · N6088M · Substantial damage
  > The total loss of engine power due to loss of oil pressure for undetermined reasons, resulting in a forced landing and nose over on none suitable terrain.
- [NTSB NYC01LA164](https://openairdocs.org/ntsb/NYC01LA164.md): Stinson 108-3 · Friendly, MD · Accident · Serious injuries · Limited investigation · Final report · Jul 5, 2001 · N6647M · Substantial damage
  > A baffling failure within the exhaust system. Factors were an inadequate annual inspection and the pilot's operation of the airplane with known deficiencies in equipment.
- [NTSB ANC01LA050](https://openairdocs.org/ntsb/ANC01LA050.md): Stinson 108-3 · Glennallen, AK · Accident · Minor injuries · Limited investigation · Final report · Apr 22, 2001 · N6912M · Destroyed
  > A total failure of the engine and subsequent rupture of the crankcase during cruise flight. A factor in the accident was unsuitable terrain for a forced landing.
- [NTSB SEA97LA039](https://openairdocs.org/ntsb/SEA97LA039.md): Stinson 108-2 · Friday Harbor, WA · Accident · No injuries · Limited investigation · Final report · Dec 20, 1996 · N233C · Destroyed
  > failure of the engine (powerplant) for undetermined reason(s). A factor relating to the accident include: being over water at the time of power failure.
- [NTSB FTW89DPJ05](https://openairdocs.org/ntsb/FTW89DPJ05.md): Nord Stampe SV4C · Bartlesville, OK · Accident · No injuries · Final report · Jun 3, 1989 · N47SV · Substantial damage
  > Total failure of the engine connecting rod.
- [NTSB CHI85LA272](https://openairdocs.org/ntsb/CHI85LA272.md): Stinson 108-2 · Hastings, MI · Accident · No injuries · Limited investigation · Final report · Jul 5, 1985 · N9306K · Destroyed
  > The purpose of the flight was to break in the newly overhauled engine. The pilot stated that he had been flying around the local area for about 25 minutes when he heard a clank and the engine lost complete power. The pilot determined that a tree landing was…
- [NTSB MKC84FA016](https://openairdocs.org/ntsb/MKC84FA016.md): Stinson 108 · Angora, NE · Accident · Serious injuries · Field investigation · Final report · Nov 6, 1983 · N39468 · Substantial damage
  > The plt reported that the eng began running rough, then quit while he was flying over an area of rough terrain. He reported that as he was making a forced landing, the acft came in contact with a washed out ditch, cartwheeled & hit a fence. An exam of the eng…

## 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.engine_model_code IN ('27025')
    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" = 351))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27025&occurrence=351

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