NTSB investigations: Continental TSIO-520 series
20 cases on aircraft whose registry engine model is Continental TSIO-520 series, where the defining event was Loss of engine power (partial). 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 | 2 |
|---|---|
| 2009 | 1 |
| 2011 | 1 |
| 2012 | 3 |
| 2014 | 1 |
| 2015 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 3 |
| 2024 | 1 |
| 2025 | 3 |
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 ('17040')
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"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 ('17040')
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" 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 CEN25LA386Accident · No injuriesClass 3 · LimitedPreliminary reportMooney M20K · Pearland, TXOn September 16, 2025, about 1040 central daylight time, a Mooney Aircraft Corp. M20K, N305EP was substantially damaged when it was involved in an accident at the Pearland Regional Airport, Pearland, Texas. The pilot and certificated flight instructor were…NTSB ERA25LA270Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA46 · Sunset, SCOn July 17, 2025, about 1122 eastern daylight time, a Piper PA-46-310P, N460WW, was substantially damaged when it was involved in an accident near Sunset, South Carolina. The commercial pilot was not injured. The airplane was operated as a Title 14 Code of…NTSB WPR25LA084Accident · No injuriesClass 3 · LimitedPreliminary reportCessna P210N · Prescott, AZOn January 18, 2025, about 1210 Mountain standard time, a Cessna P210N, N4626K, sustained substantial damage when it was involved in an accident near Prescott, Arizona. The flight instructor and student pilot were not injured. The airplane was operated as a…NTSB ERA24FA301Accident · 1 fatalClass 3 · FieldFinal reportCessna 402B · Aguadilla, PRThe pilot’s decision to operate the airplane with known maintenance discrepancies, which resulted in a total loss of right engine power. Contributing to the outcome was the pilot’s failure to maintain airspeed while returning to the airport with a single…NTSB WPR22LA060Accident · No injuriesClass 3 · LimitedFinal reportCessna P210N · Hillsboro, ORThe on-ground collision with a tree during an off airport precautionary landing. Contributing was the partial loss of engine power for undetermined reasons.NTSB CEN21LA271Accident · Minor injuriesClass 3 · LimitedFinal reportCessna T210L · Buena Vista, COThe partial loss of engine power due to a vane failure in the engine-driven fuel pump.NTSB WPR21LA078Accident · No injuriesClass 3 · LimitedFinal reportCessna P210N · Moab, UTThe pilot’s improper application of full throttle during takeoff, which resulted in loss of engine power due to an excessive fuel flow and overly rich fuel mixture.NTSB WPR20LA258Accident · Serious injuriesClass 3 · LimitedFinal reportCessna T210 · Hanna, UTThe pilot’s failure to maintain sufficient airspeed after a partial loss of power for undetermined reasons, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall from which the pilot could not recover.NTSB CEN20LA149Accident · No injuriesClass 3 · LimitedFinal reportCessna 402 · Kirksville, MOA loss of engine power after takeoff for undetermined reasons.NTSB ERA19FA249Accident · 2 fatalClass 3 · FieldFinal reportCessna T303 · Lagrangeville, NYA partial loss of engine power in both engines during initial climb for reasons that could not be determined based on the available information.NTSB WPR19LA195Accident · Serious injuriesClass 3 · LimitedFinal reportCessna T210 · Hurricane, UTMaintenance personnel's improper installation of a throttle cable to the throttle body arm, which resulted in a throttle detachment during takeoff and subsequent loss of power. Contributing to the accident was the inadequate inspection of the throttle…NTSB WPR16LA031Accident · No injuriesLimited investigationFinal reportCessna 210 · Coalinga, CAA partial loss of engine power during takeoff for reasons that could not be determined, because postaccident examination revealed no mechanical malfunctions or failures that would have precluded normal operation.NTSB CEN14CA106Accident · Minor injuriesData collectionFinal reportCessna P210N · Pagosa Springs, COThe pilot's inadequate preflight inspection which led to a loss of oil pressure and partial loss of engine power on takeoff. Contributing to the accident was the pilot's failure to check the security of the oil filler cap prior to the flight.NTSB WPR12LA411Accident · No injuriesLimited investigationFinal reportCessna A185F · Cambria, CAA partial loss of engine power during cruise flight for reasons that could not be determined because the airplane sank in the ocean and was not recovered.NTSB WPR12LA414Accident · No injuriesLimited investigationFinal reportCessna T210N · Bakersfield, CAA partial loss of engine power during the initial climb due to an in-flight fire of undetermined origin.NTSB WPR12FA222Accident · Minor injuriesField investigationFinal reportCessna P210N · Glendale, CAThe partial loss of engine power during descent for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation.NTSB ERA11FA349Accident · 4 fatalField investigationFinal reportCessna T210N · Armonk, NYThe pilot's decision to depart on the flight with a suspected mechanical deficiency and his subsequent decision to fly the final approach at a reduced power setting. Contributing to the accident was the improper timing of the magneto(s) that resulted in a…NTSB CEN09FA241Accident · 1 fatalField investigationFinal reportCessna T210N · Edinburg, TXA loss of engine power for undetermined reasons. Contributing to the accident was the pilot's failure to select a suitable alternate landing site.NTSB LAX08LA269Accident · No injuriesLimited investigationFinal reportCessna TU206F · Glendale, AZA loose fuel line fitting that resulted in a partial loss of engine power during the initial takeoff climb. Contributing to the accident was inadequate maintenance installation of the fitting.NTSB NYC08LA255Accident · Serious injuriesLimited investigationFinal reportCessna 402B · Ocean Ridge, FLA partial loss of engine power due to fuel starvation. Contributing to the accident was the pilot’s decision to add only a limited amount of fuel prior to the flight, and the fuel selector valve placards' inaccurate depiction of the airplane fuel tank…