NTSB investigations: Continental IO-520 series
134 cases on aircraft whose registry engine model is Continental IO-520 series, where the defining event was Loss of engine power (total). Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.
Cases per year
| 2008 | 11 |
|---|---|
| 2009 | 9 |
| 2010 | 15 |
| 2011 | 8 |
| 2012 | 9 |
| 2013 | 9 |
| 2014 | 8 |
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 12 |
| 2019 | 10 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 3 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 2 |
| 2026 | 7 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CEN27LA028Accident · No injuriesClass 3 · LimitedInvestigation openCessna P206 · Nacogdoches, TXNTSB ERA27LA019Accident · No injuriesClass 3 · LimitedInvestigation openCessna A185F · Tavares, FLNTSB ERA26LA325Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 210 · Dawson Springs, KYOn 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 CEN26LA271Accident · No injuriesClass 3 · LimitedPreliminary reportBeech V35 · Carroll, IAOn 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 CEN26LA199Accident · No injuriesClass 3 · LimitedPreliminary reportCessna A188B · Blair, NEOn 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 ERA26LA216Accident · No injuriesClass 3 · LimitedPreliminary reportCessna A188B · Doerun, GAOn 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 ANC26LA026Accident · Minor injuriesClass 4 · LimitedFinal reportCessna U206F · Juneau, AKA total loss of engine power for reasons that could not be determined because the airplane was not recovered from the ocean.NTSB WPR25FA279Accident · 1 fatalClass 3 · FieldPreliminary reportBellanca 17-30A · Moriarty, NMOn 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 ERA25LA307Accident · No injuriesClass 3 · LimitedPreliminary reportBeech A36 · Wirt County, WVOn 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 WPR24LA314Accident · Minor injuriesClass 3 · LimitedFinal reportCessna U206G · West Sacramento, CAFailure of the No. 4 cylinder fuel injection assembly tube and subsequent total loss of engine power.NTSB CEN24LA152Accident · No injuriesClass 4 · LimitedFinal reportBellanca 17-30A · Galveston, TXMaintenance 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 ERA24LA095Accident · No injuriesClass 3 · LimitedFinal reportCessna 210D · Paris, TNThe 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 GAA24WA066Accident · 4 fatalClass 3 · ForeignBellanca 17-30A · Bequia, St. Vincent & GrenadinesNTSB ERA23LA361Accident · No injuriesClass 3 · LimitedFinal reportBeech V35 · Rutledge, TNA 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 ERA22LA410Accident · No injuriesClass 3 · LimitedFinal reportCessna U206 · Buckland, AKThe installation of incompatible rocker arms and rocker arm bushings during an engine overhaul, which resulted in a complete loss of engine power.NTSB WPR22LA314Accident · Minor injuriesClass 3 · LimitedFinal reportBeech F33A · Wilder, IDCatastrophic engine failure during the initial climb due to an incorrectly installed crankshaft counterweight retaining ring.NTSB CEN22LA140Accident · No injuriesClass 3 · LimitedFinal reportBeech A36 · Heavner, OKA total loss of engine power due to oil exhaustion which resulted from improper engine maintenance.NTSB ERA22LA082Accident · Minor injuriesClass 3 · LimitedFinal reportBeech S35 · Tallahassee, FLA total loss of engine power due to a lack of oil lubrication.NTSB CEN21LA382Accident · No injuriesClass 3 · LimitedFinal reportBeech A36 · Granbury, TXThe loss of engine power for reasons that could not be determined with the available information.NTSB CEN21LA221Accident · No injuriesClass 3 · LimitedFinal reportBeech A36 · Pinckneyville, ILThe total loss of engine power due to oil starvation. The reason for the oil starvation could not be determined based on available evidence.NTSB ERA21LA201Accident · 1 fatalClass 3 · LimitedFinal reportBeech A36 · Lakeland, FLThe total loss of engine power for reasons that could not be determined based on the available evidence.NTSB ERA21LA188Accident · No injuriesClass 3 · LimitedFinal reportCessna A188 · Dover, NCA 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 ERA21LA174Accident · Serious injuriesClass 3 · LimitedFinal reportBeech A36 · Arcadia, FLA total loss of engine power for underdetermined reasons.NTSB CEN21LA073Accident · No injuriesClass 3 · LimitedFinal reportBellanca 17-30A · Arden Hills, MNIncorrect connecting rod installation, which resulted in the failure of the nos. 5 and 6 connecting rods and subsequent total loss of engine power.NTSB CEN20LA338Accident · Minor injuriesClass 3 · LimitedFinal reportCessna A185F · Sugar Land, TXA 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 CEN20LA288Accident · No injuriesClass 3 · LimitedFinal reportBeech 36 · Independence, MOFailure 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 WPR20LA033Accident · No injuriesClass 3 · LimitedFinal reportBeech 35 · Caldwell, IDThe total loss of engine power due to the separation of the wastegate exhaust elbow.NTSB CEN19LA290Accident · Serious injuriesClass 3 · LimitedFinal reportBeech V35 · Monroe, WIA 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 ERA19LA258Accident · No injuriesClass 3 · LimitedFinal reportBeech F33 · Hobe Sound, FLA 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 WPR19LA238Accident · No injuriesClass 3 · LimitedFinal reportBeech 36 · Half Moon Bay, CAA total loss of engine power for reasons that could not be determined.NTSB CEN19FA279Accident · 2 fatalClass 3 · FieldFinal reportAero Commander 200 · Howell, MIThe 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 WPR19LA217Accident · No injuriesClass 3 · LimitedFinal reportCessna 206 · Prospect, ORThe failure of the counterweight retainer pin plate which resulted in a total loss of engine power.NTSB WPR19LA190Accident · No injuriesClass 3 · LimitedFinal reportCessna P206 · Cascade, IDA loss of engine power due to the pilot’s improper leaning of the engine.NTSB CEN19FA210Accident · 1 fatalClass 2 · FieldFinal reportBeech A36 · Chebanse, ILA total loss of engine power due to fuel starvation.NTSB WPR19LA166Accident · No injuriesClass 3 · LimitedFinal reportCessna 210 · Romona, CAA total loss of engine power due to oil starvation as a result of the failure of an oil filter adapter fiber gasket.NTSB CEN19FA165Accident · 2 fatalField investigationFinal reportBeech V35 · Frankfort, MIA loss of engine power for reasons that could not be determined based on the available information.NTSB WPR19LA016Accident · Minor injuriesClass 3 · LimitedFinal reportCessna T210 · FiIlmore, CAA 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 ANC19CA003Accident · No injuriesData collectionFinal reportCessna 207 · Anchorage, AKThe 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 WPR18FA266Accident · 1 fatalClass 2 · FieldFinal reportBeech 33 · Cottonwood, AZThe pilot's mismanagement of the available fuel, which resulted in a total loss of engine power due to fuel starvation.NTSB ANC18LA064Accident · No injuriesClass 3 · LimitedFinal reportCessna 207 · Iliamna, AKA 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 CEN18LA321Accident · Minor injuriesLimited investigationFinal reportCessna A188 · Sedalia, MOA total loss of engine power during low-altitude maneuvering for reasons that could not be determined due to postimpact fire damage.NTSB CEN18LA302Accident · No injuriesLimited investigationFinal reportBeech A36 · Brainerd, MNTotal 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 CEN18LA276Accident · No injuriesLimited investigationFinal reportBeech V35 · Katy, TXMaintenance 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 CEN18IA273Incident · No injuriesIncident investigationFinal reportCessna A188B · Rockford, OHThe 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 CEN18LA229Accident · Serious injuriesLimited investigationFinal reportCessna T210F · Desdemona, TXThe 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 CEN18LA213Accident · Serious injuriesLimited investigationFinal reportBeech F33A · Uvalde, TXThe loose oil filter, which resulted in oil starvation and a total loss of engine power in flight.NTSB WPR18LA156Accident · Minor injuriesLimited investigationFinal reportBeech A36 · Tonopah, NVThe 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 CEN18LA159Accident · No injuriesLimited investigationFinal reportBeech A36 · Shullsburg, WIA 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 CEN18LA010Accident · No injuriesLimited investigationFinal reportBellanca 17-30A · Sweetwater, TXThe loss of engine power during a precautionary approach for landing for reasons that could not be determined based on the available information.NTSB CEN17LA357Accident · Minor injuriesLimited investigationFinal reportBeech A36 · McAlester, OKA 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.