# NTSB investigations: Continental I0-470 series: Loss of engine power (partial)

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 WPR26LA335](https://openairdocs.org/ntsb/WPR26LA335.md): Cessna 210 · Polson, MT · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 10, 2026 · N9517T · Substantial damage
  > On September 10, 2026, about 1005 mountain daylight time, a Cessna 210, N9517T, was substantially damaged when it was involved in an accident near Polson Airport (8S1), Polson, Montana. The student pilot was not injured. The airplane was operated as a Title…
- [NTSB WPR26FA068](https://openairdocs.org/ntsb/WPR26FA068.md): Beech K35 · Summer Lake, OR · Accident · 1 fatal · Class 3 · Field · Preliminary report · Dec 23, 2025 · N9540R · Substantial damage
  > On December 23, 2025, about 0841 Pacific standard time, a Beech K35, N9540R, was substantially damaged when it was involved in an accident near Summer Lake, Oregon. The pilot was fatally injured. The airplane was being operated as a Title 14 Code of Federal…
- [NTSB ANC25LA077](https://openairdocs.org/ntsb/ANC25LA077.md): Cessna 210-5 · Yakutat, AK · Accident · No injuries · Class 3 · Limited · Preliminary report · Jul 24, 2025 · N8457Z · Substantial damage
  > On July 23, 2025, about 1700 Alaska daylight time, a Cessna 210-5 (205) airplane, N8457Z, was substantially damaged when it was involved in an accident on a remote beach about 50 miles southeast of Yakutat, Alaska. The pilot was uninjured. The airplane was…
- [NTSB ERA25LA269](https://openairdocs.org/ntsb/ERA25LA269.md): Beech K35 · Sylacauga, AL · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Jul 16, 2025 · N5353E · Substantial damage
  > On July 16, 2025, at 1402 central standard time, a Beech K35, N5353E, was substantially damaged when it was involved in an accident near Sylacauga, Alabama. The private pilot sustained serious injuries. The airplane was operated as a Title 14 Code of Federal…
- [NTSB ERA25LA238](https://openairdocs.org/ntsb/ERA25LA238.md): Cessna 310 · Fayetteville, TN · Accident · No injuries · Class 3 · Limited · Final report · Jun 24, 2025 · N5045Q · Substantial damage
  > The pilot’s decision to operate the airplane with known discrepancies.
- [NTSB WPR23LA262](https://openairdocs.org/ntsb/WPR23LA262.md): Beech P35 · Shelter Cove, CA · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 8, 2023 · N9520Y · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because the airplane was not located and recovered.
- [NTSB GAA23WA097](https://openairdocs.org/ntsb/GAA23WA097.md): Cessna 310F · Puerto Vallarta, Mexico · Accident · 1 fatal · Class 5 · Foreign · Dec 27, 2022 · N541DW
- [NTSB CEN21LA001](https://openairdocs.org/ntsb/CEN21LA001.md): Cessna 210 · Cedaredge, CO · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 4, 2020 · N9568X · Destroyed
  > A partial loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB CEN20LA197](https://openairdocs.org/ntsb/CEN20LA197.md): Beech 35-A33 · Cambridge, OH · Accident · 1 fatal · Class 3 · Limited · Final report · May 27, 2020 · N123JB · Substantial damage
  > A fuel injection system leak at or near the No. 3 cylinder that resulted in a partial loss of engine power during cruise flight.
- [NTSB CEN17LA316](https://openairdocs.org/ntsb/CEN17LA316.md): Navion Navion G · Adrian, MI · Accident · Serious injuries · Limited investigation · Final report · Aug 11, 2017 · N249KC · Substantial damage
  > A leak in the gascolator, which allowed air to enter the fuel system and resulted in a partial loss of engine power.
- [NTSB CEN16LA275](https://openairdocs.org/ntsb/CEN16LA275.md): Meyers 200 · Huron, SD · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 20, 2016 · N229RS · Substantial damage
  > The partial loss of engine power due an unsecured throttle cable. The reason for the unsecured throttle cable could not be determined.
- [NTSB CEN16FA172](https://openairdocs.org/ntsb/CEN16FA172.md): Cessna 310F · North Little Rock, AR · Accident · 1 fatal · Field investigation · Final report · May 5, 2016 · N6770X · Destroyed
  > The pilot's failure to promptly feather the left propeller upon the initial loss of engine power shortly after takeoff and his failure to maintain airspeed while maneuvering with one engine inoperative, which resulted in a loss of control at a low altitude.…
- [NTSB WPR16LA048](https://openairdocs.org/ntsb/WPR16LA048.md): Beech 35 C33 · Henderson, NV · Accident · No injuries · Limited investigation · Final report · Jan 5, 2016 · N20XY · Substantial damage
  > A partial loss of engine power during final approach for reasons that could not be determined based on available information.
- [NTSB ERA15FA308](https://openairdocs.org/ntsb/ERA15FA308.md): Beech N35 · Weirsdale, FL · Accident · 2 fatal · Field investigation · Final report · Aug 12, 2015 · N390Z · Destroyed
  > A partial loss of engine power during takeoff. The reason for the partial loss of power could not be determined due to the extensive fire and impact damage to the engine.
- [NTSB CEN14LA461](https://openairdocs.org/ntsb/CEN14LA461.md): Cessna 310K · El Dorado, KS · Accident · No injuries · Limited investigation · Final report · Aug 27, 2014 · N101JB · Substantial damage
  > A fatigue failure of the left engine’s throttle cable, which resulted in the loss of left engine power.
- [NTSB WPR13LA346](https://openairdocs.org/ntsb/WPR13LA346.md): Beech 35-B33 · Lone Pine, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 28, 2013 · N82182 · Substantial damage
  > A partial loss of engine power after takeoff for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation. Contributing to the accident was the pilot's decision to not…
- [NTSB ERA12LA503](https://openairdocs.org/ntsb/ERA12LA503.md): Beech 95-A55 · Homerville, GA · Accident · No injuries · Limited investigation · Final report · Jul 27, 2012 · N1572S · Substantial damage
  > The loss of engine power due to debris within the engine-driven fuel pump.
- [NTSB CEN12LA252](https://openairdocs.org/ntsb/CEN12LA252.md): Beech P35 · Englewood, CO · Accident · Minor injuries · Limited investigation · Final report · Apr 22, 2012 · N8518M · Substantial damage
  > The pilot’s failure to abort the takeoff after the airplane failed to gain adequate airspeed.
- [NTSB ERA11FA458](https://openairdocs.org/ntsb/ERA11FA458.md): Cessna 310Q · Tupelo, MS · Accident · 1 fatal · Field investigation · Final report · Aug 17, 2011 · N444YM · Substantial damage
  > The pilot’s delayed reaction in performing the engine failure procedures and his failure to maintain adequate airspeed, which resulted in a loss of airplane control. Contributing to the accident was maintenance personnel’s improper torquing of the B-nut…
- [NTSB ANC11LA068](https://openairdocs.org/ntsb/ANC11LA068.md): Cessna 185 · Kenai, AK · Accident · No injuries · Limited investigation · Final report · Jul 25, 2011 · N9852X · Substantial damage
  > The loss of engine power for an undetermined reason, resulting in the ditching and sinking of the airplane in ocean waters.
- [NTSB CEN11LA076](https://openairdocs.org/ntsb/CEN11LA076.md): Beech 35-33 · Roanoke, TX · Accident · No injuries · Limited investigation · Final report · Nov 18, 2010 · N5481 · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB ERA10LA487](https://openairdocs.org/ntsb/ERA10LA487.md): Navion Navion G · Dublin, GA · Accident · Minor injuries · Limited investigation · Final report · Sep 19, 2010 · N2448T · Substantial damage
  > The pilot's failure to properly secure the oil drain plug after changing the engine oil, which resulted in oil starvation and an engine failure during cruise flight.
- [NTSB ERA10LA222](https://openairdocs.org/ntsb/ERA10LA222.md): Beech 95-A55 · Arecibo, PR · Accident · Serious injuries · Limited investigation · Final report · Apr 11, 2010 · N9646Y · Substantial damage
  > A loss of engine power in one engine due to fuel starvation as a result of the pilot's improper fuel management, resulting in a forced landing in a field.
- [NTSB CEN10LA039](https://openairdocs.org/ntsb/CEN10LA039.md): Beech 95-B55 · Brenham, TX · Accident · Serious injuries · Limited investigation · Final report · Nov 4, 2009 · N725GS · Substantial damage
  > The loss of engine power (right engine) during initial climb for undetermined reasons.
- [NTSB DFW08CA149](https://openairdocs.org/ntsb/DFW08CA149.md): Bellanca 14-13-3A · San Marcos, TX · Accident · No injuries · Data collection · Final report · May 2, 2008 · N1255R · Substantial damage
  > The failure of the throttle cable clevis swage. Contributing to the accident was the uneven terrain available for 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 ('17027')
    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" = '342'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/342/cases?engine=17027

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
