NTSB investigations: Continental TSIO-520 series, FL
106 cases on aircraft whose registry engine model is Continental TSIO-520 series. 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
| 1974 | 1 |
|---|---|
| 1976 | 1 |
| 1978 | 2 |
| 1980 | 1 |
| 1981 | 7 |
| 1982 | 3 |
| 1983 | 4 |
| 1984 | 2 |
| 1985 | 3 |
| 1986 | 3 |
| 1987 | 5 |
| 1988 | 3 |
| 1989 | 5 |
| 1991 | 1 |
| 1992 | 3 |
| 1993 | 2 |
| 1994 | 2 |
| 1995 | 2 |
| 1996 | 1 |
| 1997 | 2 |
| 1998 | 2 |
| 1999 | 3 |
| 2000 | 3 |
| 2002 | 3 |
| 2003 | 3 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 4 |
| 2007 | 1 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 3 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Where
Latest 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.\"eventStateOrRegion\" = 'FL' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17040'))
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."eventStateOrRegion" = 'FL' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17040'))
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 ERA26LA087Accident · No injuriesClass 4 · LimitedFinal reportCessna 414A · Tampa, FLThe pilot’s failure to secure a bottle, which restricted movement of the right rudder pedal during landing.NTSB CEN26FA005Accident · 3 fatalClass 3 · FieldPreliminary reportBeech 58P · Williston, FLOn October 5, 2025, at 1610 eastern daylight time, a Beech 58P airplane, N121GJ, was destroyed when it was involved in an accident near Williston, Florida. The pilot and two passengers were fatally injured. The airplane was operated as a Title 14 Code of…NTSB ERA25LA142Accident · No injuriesClass 3 · LimitedFinal reportCessna TU206G · Wedgefield, FLA total loss of engine power as a result of an excessively rich fuel-to-air ratio due to the pilot’s failure to properly lean the engine’s fuel air mixture and the inadvertent activation of the auxiliary fuel pump.NTSB ERA23LA189Accident · No injuriesClass 3 · LimitedFinal reportCessna 402 · Ft. Lauderdale, FLThe pilot’s ineffective use of the airplane’s brakes, which resulted in a runway overrun.NTSB ERA23LA123Accident · Serious injuriesClass 4 · LimitedFinal reportPiper PA46 · Port Orange, FLThe pilot’s failure to maintain aircraft control during a takeoff attempt, which resulted in an aerodynamic stall, runway excursion, and collision with trees.NTSB ERA22LA250Accident · No injuriesClass 4 · LimitedFinal reportCessna 340 · St. Petersburg-Clearwater, FLThe pilot’s inability to stop the airplane on the available runway, which resulted in a runway excursion and collision with an airport perimeter fence.NTSB ERA21LA159Accident · No injuriesClass 4 · LimitedFinal reportCessna 210 · Marianna, FLThe failure of the alternator control unit housing plug connection, which resulted in insufficient battery power to fully extend the landing gear. Contributing to the accident was the pilot’s decision to not use the emergency gear extension handle to secure…NTSB ERA21LA011Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 414 · West Palm Beach, FLThe pilot’s inadequate preflight inspection during which he failed to detect a flight control abnormality, and his failure to expediently abort the takeoff, which resulted in the co-pilot performing a delayed aborted takeoff and the subsequent runway overrun.NTSB ERA20CA058Accident · Minor injuriesData collectionFinal reportCessna P210 · Gainesville, FLThe airplane's impact by a bird during the initial climb.NTSB CEN19LA147Accident · Minor injuriesClass 3 · LimitedFinal reportCessna P210 · Yankeetown, FLA loss of engine power for reasons that could not be determined based on the available evidence.NTSB ERA18FA244Accident · 2 fatalField investigationFinal reportCessna 335 · Lake Worth, FLThe pilot's loss of control during approach for landing following a total loss of left engine power for undetermined reasons.NTSB WPR18LA179Accident · No injuriesLimited investigationFinal reportCessna 340A · Orlando, FLThe pilot's delayed decision to discontinue the takeoff when confronted with abnormal acceleration and airspeed indication; the reason for the abnormal acceleration could not be determined based on the available information.NTSB ERA18LA103Accident · No injuriesClass 3 · LimitedFinal reportCessna T210 · Orlando, FLThe improper adjustment of the fuel pump by maintenance personnel, which resulted in an overly rich fuel/air mixture and a total loss of engine power.NTSB GAA18CA174Accident · No injuriesData collectionFinal reportCessna P210 · Jacksonville, FLThe pilot’s failure to extend the landing gear before landing. Contributing to the accident were pilot fatigue and his failure to use the before landing checklist.NTSB CEN18FA061Accident · 5 fatalField investigationFinal reportCessna 340 · Bartow, FLThe pilot's loss of control due to spatial disorientation during takeoff in instrument meteorological conditions.NTSB ERA18LA011Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 402 · St. Petersburg, FLThe pilot's mismanagement of the onboard fuel, which resulted in fuel starvation, a total loss of power to both engines, and a subsequent forced landing.NTSB ERA16FA279Accident · 1 fatalField investigationFinal reportCessna 414 · Destin, FLThe pilot's loss of control due to spatial disorientation shortly after takeoff, while maneuvering over water during dark night conditions.NTSB ERA16FA133Accident · 2 fatalField investigationFinal reportCessna 340 · Tampa, FLThe intentional low altitude maneuvering during takeoff in response to a near-miss with an airplane departing from a converging runway, which resulted in an exceedance of the airplane's critical angle of attack and a subsequent aerodynamic stall.NTSB ERA16FA043Accident · 2 fatalField investigationFinal reportBeech A36TC · Orlando, FLThe pilot's failure to maintain adequate airspeed while turning to join the final approach leg of the airport traffic pattern with full airplane-nose-up trim, which resulted in the airplane exceeding its critical angle of attack and experiencing an…NTSB ERA15LA058Accident · No injuriesLimited investigationFinal reportCessna T210 · Tampa, FLThe collapse of the left main landing gear for reasons that could not be determined during postaccident examination.NTSB ERA14LA156Accident · Minor injuriesLimited investigationFinal reportCessna 402B · Stuart, FLThe pilot’s improper preflight planning and fuel management, which resulted in a total loss of power in both engines due to fuel exhaustion.NTSB ERA13FA275Accident · 1 fatalField investigationFinal reportCessna 340A · Boynton Beach, FLThe pilot’s loss of situational awareness, which resulted in an inadvertent aerodynamic stall/spin after he climbed the airplane back into instrument meteorological conditions (IMC). Contributing to the accident was the pilot’s improper decision to continue…NTSB ERA12IA559Incident · No injuriesIncident investigationFinal reportCessna 402B · Opa-Locka, FLThe pilot’s turning the airplane too sharply while exiting the runway, which resulted in the failure of the right main landing gear bellcrank due to an overstress fracture.NTSB ERA12LA164Accident · Minor injuriesLimited investigationFinal reportCessna T210M · Clearwater, FLThe total loss of engine power due to fuel starvation for reasons that could not be determined because postaccident testing of the engine did not reveal any malfunctions or failures that would preclude normal operation. Contributing to the accident was the…NTSB ERA12FA161Accident · 1 fatalField investigationFinal reportCessna 340A · Ocala, FLThe pilot's failure to maintain adequate airspeed and altitude on final approach, resulting in an impact with terrain short of the airport.NTSB ERA12IA114Incident · No injuriesIncident investigationFinal reportCessna T210L · Clewiston, FLThe pilot's inadequate preflight fuel planning, which resulted in a total loss of engine power due to fuel starvation.NTSB ERA10CA165Accident · No injuriesData collectionFinal reportCessna P210N · Miami, FLThe pilot's failure to see and avoid an unlit and unmarked helicopter dolly while taxiing at night.NTSB ERA10LA159Accident · Serious injuriesLimited investigationFinal reportCessna P210N · Arcadia, FLThe total loss of engine power due to a fatigue fracture of the crankshaft resulting from worn bearings.NTSB ERA09IA140Incident · No injuriesIncident investigationFinal reportCessna 402C · Naples, FLThe pilot's failure to recognize that both engines were being supplied fuel only from the right main fuel tank, resulting in fuel starvation and a subsequent loss of engine power from both engines. Contributing to the incident were the pilot's inability to…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…NTSB MIA08LA079Accident · No injuriesLimited investigationFinal reportCessna 402B · Fort Lauderdale, FLThe improper adjustment of the right main landing gear down lock by maintenance personnel resulting in the gear collapse during the landing roll..NTSB MIA07LA133Accident · Serious injuriesLimited investigationFinal reportBeech B36TC · Clearwater, FLThe pilot's improper rotation and climb during the takeoff which resulted in a stall/mush, a descent, and an impact with the ground.NTSB ANC06LA098Accident · No injuriesLimited investigationFinal reportCessna 402B · Ft. Lauderdale, FLThe pilot's continued flight into adverse weather, and his failure to maintain directional control of the airplane during the landing roll, which resulted in a collision with an airport runway sign, and subsequent collapse of the nose gear. A factor…NTSB MIA06LA121Accident · No injuriesLimited investigationFinal reportCessna T210 · Crestview, FLSpinning of the crankshaft No. 2 main bearing for undetermined reasons resulting in damage to the aft cheek of the No. 2 main bearing journal and fatigue failure of the crankshaft.NTSB MIA06LA108Accident · No injuriesLimited investigationFinal reportCessna 414A · Pompano Beach, FLThe pilot's inadequate preflight/planning due to his failure to assure an adequate supply of fuel was available for the flight, resulting in the loss of engine power in both engines due to fuel exhaustion.NTSB MIA06LA051Accident · No injuriesLimited investigationFinal reportCessna P210N · Sarasota, FLThe collapse of the nose landing gear for undetermined reasons.NTSB MIA06CA031Accident · Minor injuriesData collectionFinal reportCessna 210 · Stuart, FLThe pilot's failure to maintain adequate airspeed during landing which resulted in an inadvertent stall and subsequent collision with terrain.NTSB MIA05LA147Accident · No injuriesLimited investigationFinal reportCessna T210M · Kissimmee, FLA loss of engine power due to the pilot's inaccurate fuel consumption calculations and subsequent fuel exhaustion.NTSB MIA05LA018Accident · No injuriesLimited investigationFinal reportCessna 340A-RAM VI · Pensacola, FLThe left landing gear collapsing due to the actuator separating for undetermined reasons.NTSB MIA03LA160Accident · No injuriesLimited investigationFinal reportCessna T210M · Hialeah, FLSpinning of the crankshaft No. 2 main bearing for undetermined reasons resulting in damage to the aft cheek of the No. 2 main bearing journal, fatigue failure of the crankshaft cheek, failure of the engine in cruise flight, and damage to the airplane during…NTSB MIA03IA110Incident · No injuriesIncident investigationFinal reportCessna 402C · Miami, FLThe inadequate annual inspection of the airplane by other maintenance personnel for failure to note an incorrect washer was installed securing the upper and lower torque links, resulting in separation of the upper and lower links and subsequent rotation of…NTSB MIA03LA064Accident · Minor injuriesLimited investigationFinal reportCessna 402B · Marathon, FLThe loss of engine power to both engines for undetermined reasons.NTSB MIA02FA113Accident · 3 fatalField investigationFinal reportPiper PA-46-310P · Naples, FLThe pilot's failure to maintain airspeed above the stall speed while maneuvering to land after the engine ceased operating for undetermined reasons, which resulted in a stall/spin, an uncontrolled descent, and an impact with the ground.NTSB MIA02FA111Accident · 3 fatalField investigationFinal reportPiper PA-46-310P · Osteen, FLthe pilot's inadequate weather evaluation and his failure to maintain control of the airplane after entering an area of thunderstorms resulting in an in-flight separation of the right wing and right horizontal stabilizer and impact with the ground during an…NTSB ATL02LA108Accident · No injuriesLimited investigationFinal reportCessna T210N · Orlando, FLThe pilot's inadequate planning decision that resulted in fuel exhaustion and subsequent loss of engine power.NTSB ATL00LA084Accident · No injuriesLimited investigationFinal reportPiper PA-46-310P · Vero Beach, FLThe pilot's inability to control the aircraft after landing due to a loss of engine power and landing gear failure for undetermined reasons. A factor in the severity of the accident was the impact with the airport marker lights.NTSB MIA00LA195Accident · No injuriesLimited investigationFinal reportCessna 402C · Naples, FLan inflight collision with a bird during descent that resulted in substantial damage to the airplane's vertical stabilizer spar.NTSB MIA00LA109Accident · Minor injuriesLimited investigationFinal reportCessna 402C · Fort Lauderdale, FLSeparation of the right main landing gear tire recap during takeoff resulting in the pilot's loss of directional control, the aircraft departing the runway, collapse of the landing gear, and collision with the airport fence.NTSB ATL00LA010Accident · No injuriesLimited investigationFinal reportCessna 310Q · Jacksonville, FLThe failure of the left main landing gear down locking mechanism for undetermined reasons.NTSB MIA99FA168Accident · No injuriesField investigationFinal reportCessna 402C · Fort Lauderdale, FLThe pilot's decision takeoff with condensation on the cockpit windows which restricted visibility, his improper use of aileron control, improper compensation for winds during takeoff, and his failure to maintain directional control during takeoff, resulting…