# NTSB investigations: Continental TSIO-520 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 CEN25LA386](https://openairdocs.org/ntsb/CEN25LA386.md): Mooney M20K · Pearland, TX · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 16, 2025 · N305EP · Substantial damage > On 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 ERA25LA270](https://openairdocs.org/ntsb/ERA25LA270.md): Piper PA46 · Sunset, SC · Accident · No injuries · Class 3 · Limited · Preliminary report · Jul 17, 2025 · N460WW · Substantial damage > On 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 WPR25LA084](https://openairdocs.org/ntsb/WPR25LA084.md): Cessna P210N · Prescott, AZ · Accident · No injuries · Class 3 · Limited · Preliminary report · Jan 18, 2025 · N4626K · Substantial damage > On 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 ERA24FA301](https://openairdocs.org/ntsb/ERA24FA301.md): Cessna 402B · Aguadilla, PR · Accident · 1 fatal · Class 3 · Field · Final report · Jul 11, 2024 · N4167G · Destroyed > The 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 WPR22LA060](https://openairdocs.org/ntsb/WPR22LA060.md): Cessna P210N · Hillsboro, OR · Accident · No injuries · Class 3 · Limited · Final report · Dec 9, 2021 · N152BT · Substantial damage > The on-ground collision with a tree during an off airport precautionary landing. Contributing was the partial loss of engine power for undetermined reasons. - [NTSB CEN21LA271](https://openairdocs.org/ntsb/CEN21LA271.md): Cessna T210L · Buena Vista, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 14, 2021 · N30286 · Substantial damage > The partial loss of engine power due to a vane failure in the engine-driven fuel pump. - [NTSB WPR21LA078](https://openairdocs.org/ntsb/WPR21LA078.md): Cessna P210N · Moab, UT · Accident · No injuries · Class 3 · Limited · Final report · Jan 2, 2021 · N833RT · Substantial damage > The 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 WPR20LA258](https://openairdocs.org/ntsb/WPR20LA258.md): Cessna T210 · Hanna, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 7, 2020 · N761RG · Substantial damage > The 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 CEN20LA149](https://openairdocs.org/ntsb/CEN20LA149.md): Cessna 402 · Kirksville, MO · Accident · No injuries · Class 3 · Limited · Final report · Apr 14, 2020 · N98649 · Substantial damage > A loss of engine power after takeoff for undetermined reasons. - [NTSB ERA19FA249](https://openairdocs.org/ntsb/ERA19FA249.md): Cessna T303 · Lagrangeville, NY · Accident · 2 fatal · Class 3 · Field · Final report · Aug 17, 2019 · N303TL · Destroyed > A partial loss of engine power in both engines during initial climb for reasons that could not be determined based on the available information. - [NTSB WPR19LA195](https://openairdocs.org/ntsb/WPR19LA195.md): Cessna T210 · Hurricane, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 15, 2019 · N6330N · Substantial damage > Maintenance 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 WPR16LA031](https://openairdocs.org/ntsb/WPR16LA031.md): Cessna 210 · Coalinga, CA · Accident · No injuries · Limited investigation · Final report · Nov 19, 2015 · N9824G · Substantial damage > A 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 CEN14CA106](https://openairdocs.org/ntsb/CEN14CA106.md): Cessna P210N · Pagosa Springs, CO · Accident · Minor injuries · Data collection · Final report · Jan 8, 2014 · N4817K · Substantial damage > The 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 WPR12LA411](https://openairdocs.org/ntsb/WPR12LA411.md): Cessna A185F · Cambria, CA · Accident · No injuries · Limited investigation · Final report · Sep 9, 2012 · N80SS · Substantial damage > A 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 WPR12LA414](https://openairdocs.org/ntsb/WPR12LA414.md): Cessna T210N · Bakersfield, CA · Accident · No injuries · Limited investigation · Final report · Aug 17, 2012 · N6493N · Substantial damage > A partial loss of engine power during the initial climb due to an in-flight fire of undetermined origin. - [NTSB WPR12FA222](https://openairdocs.org/ntsb/WPR12FA222.md): Cessna P210N · Glendale, CA · Accident · Minor injuries · Field investigation · Final report · May 22, 2012 · N732JL · Substantial damage > The 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 ERA11FA349](https://openairdocs.org/ntsb/ERA11FA349.md): Cessna T210N · Armonk, NY · Accident · 4 fatal · Field investigation · Final report · Jun 18, 2011 · N210KW · Substantial damage > The 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 CEN09FA241](https://openairdocs.org/ntsb/CEN09FA241.md): Cessna T210N · Edinburg, TX · Accident · 1 fatal · Field investigation · Final report · Apr 9, 2009 · N127TC · Destroyed > A loss of engine power for undetermined reasons. Contributing to the accident was the pilot's failure to select a suitable alternate landing site. - [NTSB LAX08LA269](https://openairdocs.org/ntsb/LAX08LA269.md): Cessna TU206F · Glendale, AZ · Accident · No injuries · Limited investigation · Final report · Aug 19, 2008 · N62DB · Substantial damage > A 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 NYC08LA255](https://openairdocs.org/ntsb/NYC08LA255.md): Cessna 402B · Ocean Ridge, FL · Accident · Serious injuries · Limited investigation · Final report · Jul 22, 2008 · N3990C · Substantial damage > A 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… ## 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 ('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 ``` This list as a web page: https://openairdocs.org/ntsb-events/342/cases?engine=17040 --- 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.