# NTSB investigations: Franklin 6A4150 series: Loss of engine power (total)

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 ERA24LA201](https://openairdocs.org/ntsb/ERA24LA201.md): Stinson 108 · Beach City, OH · Accident · No injuries · Class 4 · Limited · Final report · Apr 25, 2024 · N97517 · Substantial damage
  > A total loss of engine power due to the due to the pilot’s delayed application of carburetor heat.
- [NTSB ANC23LA051](https://openairdocs.org/ntsb/ANC23LA051.md): Stinson 108 · Ninilchik, AK · Accident · No injuries · Class 3 · Limited · Final report · Jul 13, 2023 · N97719 · Substantial damage
  > A partial loss of engine power due to failure of the No. 1 cylinder intake valve head.
- [NTSB CEN19LA060](https://openairdocs.org/ntsb/CEN19LA060.md): Stinson 108 · Keshena, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 19, 2019 · N97969 · Substantial damage
  > A total loss of engine power during cruise flight for undetermined reasons, which resulted in a forced landing and subsequent impact with trees.
- [NTSB ERA17FA001](https://openairdocs.org/ntsb/ERA17FA001.md): Culver PQ 14A · Hickory, NC · Accident · 1 fatal · Field investigation · Final report · Oct 1, 2016 · N4648V · Destroyed
  > The loss of engine power due to carburetor icing. Contributing to the accident was the pilot's use of automobile gasoline, which increased the likelihood of carburetor icing.
- [NTSB ERA15LA239](https://openairdocs.org/ntsb/ERA15LA239.md): Stinson 108 · Dushore, PA · Accident · Serious injuries · Limited investigation · Final report · Jun 14, 2015 · N97505 · Substantial damage
  > The total loss of engine power during the initial climb for reasons that could not be determined because postaccident examination of the engine revealed no anomalies that would have precluded normal operation.
- [NTSB CEN14LA417](https://openairdocs.org/ntsb/CEN14LA417.md): Stinson 108 1 · Bruno, MN · Accident · No injuries · Limited investigation · Final report · Jul 18, 2014 · N9034K · Substantial damage
  > The total loss of engine power due to an anomaly with the carburetor system that could not be determined during postaccident examination.
- [NTSB ERA13LA327](https://openairdocs.org/ntsb/ERA13LA327.md): Univair 108-1 · Tuftonboro, NH · Accident · Minor injuries · Limited investigation · Final report · Jul 17, 2013 · N8721K · Substantial damage
  > Maintenance personnel’s failure to remove circumferential gouges in the aft radius of the R2 rod journal on the crankshaft during its last engine overhaul, which resulted in the fatigue failure of the crankshaft and a subsequent total loss of engine power.
- [NTSB ERA10LA442](https://openairdocs.org/ntsb/ERA10LA442.md): Stinson 108 · Andrews, SC · Accident · 1 fatal · Limited investigation · Final report · Aug 25, 2010 · N97316 · Substantial damage
  > Loss of engine power due to fuel exhaustion, and the student pilot's failure to adequately preflight the airplane prior to takeoff.

## 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 ('27024')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '341'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/341/cases?engine=27024

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