# NTSB investigations: Continental IO-520 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.

Page 1 of 3 · 134 cases

## Latest cases

- [NTSB CEN27LA028](https://openairdocs.org/ntsb/CEN27LA028.md): Cessna P206 · Nacogdoches, TX · Accident · No injuries · Class 3 · Limited · Investigation open · Oct 22, 2026 · N2649X
- [NTSB ERA27LA019](https://openairdocs.org/ntsb/ERA27LA019.md): Cessna A185F · Tavares, FL · Accident · No injuries · Class 3 · Limited · Investigation open · Oct 19, 2026 · N900JB
- [NTSB ERA26LA325](https://openairdocs.org/ntsb/ERA26LA325.md): Cessna 210 · Dawson Springs, KY · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 2, 2026 · N9420M · Substantial damage
  > On September 1, 2026, at 2225 central daylight time, a Cessna 210K, N9420M, was substantially damaged when it was involved in an accident near Dawson Springs, Kentucky. The private pilot and passenger were not injured. The airplane was operated as a Title 14…
- [NTSB CEN26LA271](https://openairdocs.org/ntsb/CEN26LA271.md): Beech V35 · Carroll, IA · Accident · No injuries · Class 3 · Limited · Preliminary report · Jul 24, 2026 · N3707Q · Substantial damage
  > On July 24, 2026, about 1550 central daylight time, a Beech V35 airplane, N3707Q, was substantially damaged when it was involved in an accident near Carroll, Iowa. The pilot was not injured. The flight was operated under the provisions of Title 14 Code of…
- [NTSB CEN26LA199](https://openairdocs.org/ntsb/CEN26LA199.md): Cessna A188B · Blair, NE · Accident · No injuries · Class 3 · Limited · Preliminary report · May 27, 2026 · N84497 · Substantial damage
  > On May 27, 2026, about 1130 central daylight time, a Cessna A188B airplane, N84497, sustained substantial damage when it was involved in an accident near Blair, Nebraska. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…
- [NTSB ERA26LA216](https://openairdocs.org/ntsb/ERA26LA216.md): Cessna A188B · Doerun, GA · Accident · No injuries · Class 3 · Limited · Preliminary report · May 23, 2026 · N8288G · Substantial damage
  > On May 23, 2026, about 1500 eastern daylight time, a Cessna A188B, N8288G, was substantially damaged when it was involved in an accident near Doerun, Georgia. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal Regulations Part…
- [NTSB ANC26LA026](https://openairdocs.org/ntsb/ANC26LA026.md): Cessna U206F · Juneau, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Apr 16, 2026 · N93021 · Substantial damage
  > A total loss of engine power for reasons that could not be determined because the airplane was not recovered from the ocean.
- [NTSB WPR25FA279](https://openairdocs.org/ntsb/WPR25FA279.md): Bellanca 17-30A · Moriarty, NM · Accident · 1 fatal · Class 3 · Field · Preliminary report · Sep 16, 2025 · N432DM · Substantial damage
  > On September 16, 2025, about 1132 mountain daylight time, a Bellanca 17-30A, N432DM, was substantially damaged when it was involved in an accident near Moriarty, New Mexico. The pilot receiving instruction was fatally injured and the flight instructor…
- [NTSB ERA25LA307](https://openairdocs.org/ntsb/ERA25LA307.md): Beech A36 · Wirt County, WV · Accident · No injuries · Class 3 · Limited · Preliminary report · Aug 8, 2025 · N60357 · Substantial damage
  > On August 8, 2025, about 1757 eastern daylight time, a Beech A36, N60357, was substantially damaged when it was involved in an accident in Wirt County, West Virginia. The commercial pilot and three passengers were not injured. The airplane was operated as a…
- [NTSB WPR24LA314](https://openairdocs.org/ntsb/WPR24LA314.md): Cessna U206G · West Sacramento, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 19, 2024 · N6522Z · Substantial damage
  > Failure of the No. 4 cylinder fuel injection assembly tube and subsequent total loss of engine power.
- [NTSB CEN24LA152](https://openairdocs.org/ntsb/CEN24LA152.md): Bellanca 17-30A · Galveston, TX · Accident · No injuries · Class 4 · Limited · Final report · Apr 5, 2024 · N9996V · Substantial damage
  > Maintenance personnel’s failure to properly secure the oil filter adapter when replacing the oil filter adapter gasket which resulted in the filter becoming loose, resulting in the loss of engine oil, and the subsequent total loss of engine power.
- [NTSB ERA24LA095](https://openairdocs.org/ntsb/ERA24LA095.md): Cessna 210D · Paris, TN · Accident · No injuries · Class 3 · Limited · Final report · Jan 22, 2024 · N3857Y · Substantial damage
  > The disruption of torque to the No 4 connecting rod journals, which resulted in a spun bearing and the subsequent total loss of engine power.
- [NTSB GAA24WA066](https://openairdocs.org/ntsb/GAA24WA066.md): Bellanca 17-30A · Bequia, St. Vincent & Grenadines · Accident · 4 fatal · Class 3 · Foreign · Jan 4, 2024 · N4023B · Substantial damage
- [NTSB ERA23LA361](https://openairdocs.org/ntsb/ERA23LA361.md): Beech V35 · Rutledge, TN · Accident · No injuries · Class 3 · Limited · Final report · Sep 2, 2023 · N5431U · Substantial damage
  > A total loss of engine power due to the fatigue failure of a retaining circlip in one of the No. 2 crankshaft cheek counterweights, which resulted in liberation of the counterweight.
- [NTSB ERA22LA410](https://openairdocs.org/ntsb/ERA22LA410.md): Cessna U206 · Buckland, AK · Accident · No injuries · Class 3 · Limited · Final report · Sep 9, 2022 · N8019Z · Substantial damage
  > The installation of incompatible rocker arms and rocker arm bushings during an engine overhaul, which resulted in a complete loss of engine power.
- [NTSB WPR22LA314](https://openairdocs.org/ntsb/WPR22LA314.md): Beech F33A · Wilder, ID · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 21, 2022 · N4133S · Substantial damage
  > Catastrophic engine failure during the initial climb due to an incorrectly installed crankshaft counterweight retaining ring.
- [NTSB CEN22LA140](https://openairdocs.org/ntsb/CEN22LA140.md): Beech A36 · Heavner, OK · Accident · No injuries · Class 3 · Limited · Final report · Mar 12, 2022 · N9410Q · Substantial damage
  > A total loss of engine power due to oil exhaustion which resulted from improper engine maintenance.
- [NTSB ERA22LA082](https://openairdocs.org/ntsb/ERA22LA082.md): Beech S35 · Tallahassee, FL · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 7, 2021 · N80YD · Substantial damage
  > A total loss of engine power due to a lack of oil lubrication.
- [NTSB CEN21LA382](https://openairdocs.org/ntsb/CEN21LA382.md): Beech A36 · Granbury, TX · Accident · No injuries · Class 3 · Limited · Final report · Aug 24, 2021 · N67CW · Substantial damage
  > The loss of engine power for reasons that could not be determined with the available information.
- [NTSB CEN21LA221](https://openairdocs.org/ntsb/CEN21LA221.md): Beech A36 · Pinckneyville, IL · Accident · No injuries · Class 3 · Limited · Final report · May 14, 2021 · N1875W · Substantial damage
  > The total loss of engine power due to oil starvation. The reason for the oil starvation could not be determined based on available evidence.
- [NTSB ERA21LA201](https://openairdocs.org/ntsb/ERA21LA201.md): Beech A36 · Lakeland, FL · Accident · 1 fatal · Class 3 · Limited · Final report · May 1, 2021 · N125WC · Destroyed
  > The total loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB ERA21LA188](https://openairdocs.org/ntsb/ERA21LA188.md): Cessna A188 · Dover, NC · Accident · No injuries · Class 3 · Limited · Final report · Apr 15, 2021 · N731TB · Substantial damage
  > A total loss of engine power due to a shift of a crankshaft main bearing, which resulted in a lack of lubrication and subsequent overheating and failure of the engine crankshaft. Contributing to the accident was the hard touchdown during the forced landing.
- [NTSB ERA21LA174](https://openairdocs.org/ntsb/ERA21LA174.md): Beech A36 · Arcadia, FL · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 6, 2021 · N18394 · Substantial damage
  > A total loss of engine power for underdetermined reasons.
- [NTSB CEN21LA073](https://openairdocs.org/ntsb/CEN21LA073.md): Bellanca 17-30A · Arden Hills, MN · Accident · No injuries · Class 3 · Limited · Final report · Dec 3, 2020 · N28067 · Substantial damage
  > Incorrect connecting rod installation, which resulted in the failure of the nos. 5 and 6 connecting rods and subsequent total loss of engine power.
- [NTSB CEN20LA338](https://openairdocs.org/ntsb/CEN20LA338.md): Cessna A185F · Sugar Land, TX · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 15, 2020 · N5418E · Substantial damage
  > A total loss of engine power after takeoff for undetermined reasons, and the pilot’s subsequent exceedance of the airplane’s critical angle of attack during landing, which resulted in an aerodynamic stall.
- [NTSB CEN20LA288](https://openairdocs.org/ntsb/CEN20LA288.md): Beech 36 · Independence, MO · Accident · No injuries · Class 3 · Limited · Final report · Jul 16, 2020 · N630JL · Substantial damage
  > Failure of the No. 5 piston head and ring, which resulted in a total loss of engine power and the pilot’s decision to takeoff with a known mechanical issue.
- [NTSB WPR20LA033](https://openairdocs.org/ntsb/WPR20LA033.md): Beech 35 · Caldwell, ID · Accident · No injuries · Class 3 · Limited · Final report · Nov 23, 2019 · N7956M · Substantial damage
  > The total loss of engine power due to the separation of the wastegate exhaust elbow.
- [NTSB CEN19LA290](https://openairdocs.org/ntsb/CEN19LA290.md): Beech V35 · Monroe, WI · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 27, 2019 · N6245V · Substantial damage
  > A total loss of engine power due to the failure of the Nos. 5 and 6 connecting rods from a lack of oil lubrication for reasons that could not be determined.
- [NTSB ERA19LA258](https://openairdocs.org/ntsb/ERA19LA258.md): Beech F33 · Hobe Sound, FL · Accident · No injuries · Class 3 · Limited · Final report · Aug 23, 2019 · N80WH · Substantial damage
  > A bearing shift, which resulted in a loss of lubrication to the crankshaft, the failure of the crankshaft, and a total loss of engine power.
- [NTSB WPR19LA238](https://openairdocs.org/ntsb/WPR19LA238.md): Beech 36 · Half Moon Bay, CA · Accident · No injuries · Class 3 · Limited · Final report · Aug 21, 2019 · N134P · Destroyed
  > A total loss of engine power for reasons that could not be determined.
- [NTSB CEN19FA279](https://openairdocs.org/ntsb/CEN19FA279.md): Aero Commander 200 · Howell, MI · Accident · 2 fatal · Class 3 · Field · Final report · Aug 20, 2019 · N200HS · Substantial damage
  > The improper installation of the engine’s metal intake screen, which allowed the filter element to become displaced and subsequently lodge in the intake, blocking intake air and causing the total loss of engine power, at low altitude and low airspeed…
- [NTSB WPR19LA217](https://openairdocs.org/ntsb/WPR19LA217.md): Cessna 206 · Prospect, OR · Accident · No injuries · Class 3 · Limited · Final report · Aug 10, 2019 · N5152U · Substantial damage
  > The failure of the counterweight retainer pin plate which resulted in a total loss of engine power.
- [NTSB WPR19LA190](https://openairdocs.org/ntsb/WPR19LA190.md): Cessna P206 · Cascade, ID · Accident · No injuries · Class 3 · Limited · Final report · Jul 14, 2019 · N131DV · Substantial damage
  > A loss of engine power due to the pilot’s improper leaning of the engine.
- [NTSB CEN19FA210](https://openairdocs.org/ntsb/CEN19FA210.md): Beech A36 · Chebanse, IL · Accident · 1 fatal · Class 2 · Field · Final report · Jul 5, 2019 · N1809S · Substantial damage
  > A total loss of engine power due to fuel starvation.
- [NTSB WPR19LA166](https://openairdocs.org/ntsb/WPR19LA166.md): Cessna 210 · Romona, CA · Accident · No injuries · Class 3 · Limited · Final report · Jun 10, 2019 · N3997Y · Substantial damage
  > A total loss of engine power due to oil starvation as a result of the failure of an oil filter adapter fiber gasket.
- [NTSB CEN19FA165](https://openairdocs.org/ntsb/CEN19FA165.md): Beech V35 · Frankfort, MI · Accident · 2 fatal · Field investigation · Final report · May 13, 2019 · N1561Z · Substantial damage
  > A loss of engine power for reasons that could not be determined based on the available information.
- [NTSB WPR19LA016](https://openairdocs.org/ntsb/WPR19LA016.md): Cessna T210 · FiIlmore, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 27, 2018 · N6834R · Substantial damage
  > A total loss of engine power as a result of the pilot’s failure to remove a towel from the engine’s air induction following maintenance.
- [NTSB ANC19CA003](https://openairdocs.org/ntsb/ANC19CA003.md): Cessna 207 · Anchorage, AK · Accident · No injuries · Data collection · Final report · Oct 11, 2018 · N6492H · Substantial damage
  > The pilot's inadequate in-flight fuel management, which resulted in fuel starvation and the subsequent loss of engine power, and her subsequent failure to maintain clearance from trees during the approach to land at a nearby airstrip.
- [NTSB WPR18FA266](https://openairdocs.org/ntsb/WPR18FA266.md): Beech 33 · Cottonwood, AZ · Accident · 1 fatal · Class 2 · Field · Final report · Sep 17, 2018 · N2031D · Substantial damage
  > The pilot's mismanagement of the available fuel, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB ANC18LA064](https://openairdocs.org/ntsb/ANC18LA064.md): Cessna 207 · Iliamna, AK · Accident · No injuries · Class 3 · Limited · Final report · Aug 7, 2018 · N7379U · Substantial damage
  > A total loss of engine power due to detonation/preignition damage of the No. 2 cylinder and piston for reasons that could not be determined.
- [NTSB CEN18LA321](https://openairdocs.org/ntsb/CEN18LA321.md): Cessna A188 · Sedalia, MO · Accident · Minor injuries · Limited investigation · Final report · Aug 6, 2018 · N4996R · Destroyed
  > A total loss of engine power during low-altitude maneuvering for reasons that could not be determined due to postimpact fire damage.
- [NTSB CEN18LA302](https://openairdocs.org/ntsb/CEN18LA302.md): Beech A36 · Brainerd, MN · Accident · No injuries · Limited investigation · Final report · Jul 30, 2018 · N1856W · Substantial damage
  > Total loss of engine power due to a fuel supply interruption from the left tank for reasons that could not be determined, which resulted in the subsequent forced landing into trees.
- [NTSB CEN18LA276](https://openairdocs.org/ntsb/CEN18LA276.md): Beech V35 · Katy, TX · Accident · No injuries · Limited investigation · Final report · Jul 17, 2018 · N228Q · Substantial damage
  > Maintenance personnel’s failure to remove a paper towel from the engine during recent maintenance, which resulted in oil starvation, the failure of a connecting rod, and a catastrophic engine failure and subsequent total loss of engine power.
- [NTSB CEN18IA273](https://openairdocs.org/ntsb/CEN18IA273.md): Cessna A188B · Rockford, OH · Incident · No injuries · Incident investigation · Final report · Jul 12, 2018 · N2483J · Minor damage
  > The total loss of engine power, which resulted from the separation of the No. 2 connecting rod due to oil starvation as a result of insufficient clamping force of the engine's through-bolts.
- [NTSB CEN18LA229](https://openairdocs.org/ntsb/CEN18LA229.md): Cessna T210F · Desdemona, TX · Accident · Serious injuries · Limited investigation · Final report · Jun 17, 2018 · N6107R · Substantial damage
  > The total loss of engine power due to the fuel pump’s fuel flow setting being set too high, which resulted in an excessive fuel flow to the engine.
- [NTSB CEN18LA213](https://openairdocs.org/ntsb/CEN18LA213.md): Beech F33A · Uvalde, TX · Accident · Serious injuries · Limited investigation · Final report · Jun 7, 2018 · N3291X · Destroyed
  > The loose oil filter, which resulted in oil starvation and a total loss of engine power in flight.
- [NTSB WPR18LA156](https://openairdocs.org/ntsb/WPR18LA156.md): Beech A36 · Tonopah, NV · Accident · Minor injuries · Limited investigation · Final report · May 30, 2018 · N191HL · Substantial damage
  > The pilot's failure to properly lean the fuel/air mixture and to monitor critical engine parameters during the en route climb to cruise level, which resulted in excessive engine heat and oil starvation and the subsequent catastrophic engine failure.
- [NTSB CEN18LA159](https://openairdocs.org/ntsb/CEN18LA159.md): Beech A36 · Shullsburg, WI · Accident · No injuries · Limited investigation · Final report · May 5, 2018 · N36LP · Substantial damage
  > A catastrophic engine failure due to improper torque on the engine through-bolt nuts, which resulted in relative movement between the crankcase halves, damage to a main journal bearing, and a loss of oil lubrication.
- [NTSB CEN18LA010](https://openairdocs.org/ntsb/CEN18LA010.md): Bellanca 17-30A · Sweetwater, TX · Accident · No injuries · Limited investigation · Final report · Oct 6, 2017 · N8234R · Substantial damage
  > The loss of engine power during a precautionary approach for landing for reasons that could not be determined based on the available information.
- [NTSB CEN17LA357](https://openairdocs.org/ntsb/CEN17LA357.md): Beech A36 · McAlester, OK · Accident · Minor injuries · Limited investigation · Final report · Sep 15, 2017 · N18403 · Substantial damage
  > A total loss of engine power for reasons that could not be determined because postaccident examination of the engine did not reveal any evidence of mechanical malfunctions or failures that would have precluded normal operation.

Next page: https://openairdocs.org/ntsb-events/341/cases.md?engine=17032&page=2

## 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 ('17032')
    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=17032

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