# NTSB investigations: Continental GTSIO-520-C: 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 ERA26LA050](https://openairdocs.org/ntsb/ERA26LA050.md): Cessna 401 · Eureka, NC · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Nov 18, 2025 · N6255Q · Substantial damage
  > On November 18, 2025, at 12:30 eastern standard time, a Cessna 401A, N6255Q, was substantially damaged when it was involved in an accident near Eureka, North Carolina. The commercial pilot received minor injuries. The airplane was operated as a Title 14 Code…
- [NTSB CEN24FA212](https://openairdocs.org/ntsb/CEN24FA212.md): Beech V35A · Arvada, CO · Accident · 1 fatal · Class 3 · Field · Final report · Jun 7, 2024 · N150WR · Destroyed
  > A total loss of engine power due to oil starvation as a result of loose turbocharger oil line fittings.
- [NTSB CEN23LA267](https://openairdocs.org/ntsb/CEN23LA267.md): Cessna 421 · Rockport, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 24, 2023 · N123SM · Substantial damage
  > The failure of the left engine starter adapter gear, which resulted in catastrophic damage to other engine components, and the subsequent loss of engine power.
- [NTSB ERA22LA317](https://openairdocs.org/ntsb/ERA22LA317.md): Cessna T210F · Monticello, NY · Accident · No injuries · Class 3 · Limited · Final report · Jul 15, 2022 · N6195R · Destroyed
  > Maintenance personnel’s improper torque of the engine through-bolts during maintenance, which resulted in a bearing shift, oil starvation, and a total loss of engine power.
- [NTSB CEN16LA323](https://openairdocs.org/ntsb/CEN16LA323.md): Cessna TU206C · Skiatook, OK · Accident · Minor injuries · Limited investigation · Final report · Aug 13, 2016 · N29225 · Substantial damage
  > A total loss of engine power after takeoff for reasons that could not be determined based on the available information.
- [NTSB CEN13FA352](https://openairdocs.org/ntsb/CEN13FA352.md): Aero Commander 685 · Victoria, TX · Accident · Serious injuries · Field investigation · Final report · Jun 15, 2013 · N74CP · Substantial damage
  > Maintenance personnel's failure to secure the left engine idler pin during overhaul, which resulted in a catastrophic engine failure and subsequent forced landing.

## 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 ('17035')
    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=17035

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