Final NTSB investigations: Continental TSIO-520 series
1,647 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
| 1966 | 3 |
|---|---|
| 1968 | 1 |
| 1969 | 2 |
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 3 |
| 1973 | 4 |
| 1974 | 12 |
| 1975 | 8 |
| 1976 | 22 |
| 1977 | 21 |
| 1978 | 37 |
| 1979 | 54 |
| 1980 | 44 |
| 1981 | 54 |
| 1982 | 60 |
| 1983 | 40 |
| 1984 | 44 |
| 1985 | 47 |
| 1986 | 53 |
| 1987 | 36 |
| 1988 | 28 |
| 1989 | 23 |
| 1990 | 25 |
| 1991 | 30 |
| 1992 | 23 |
| 1993 | 24 |
| 1994 | 32 |
| 1995 | 25 |
| 1996 | 33 |
| 1997 | 29 |
| 1998 | 23 |
| 1999 | 26 |
| 2000 | 31 |
| 2001 | 42 |
| 2002 | 36 |
| 2003 | 54 |
| 2004 | 38 |
| 2005 | 35 |
| 2006 | 55 |
| 2007 | 41 |
| 2008 | 36 |
| 2009 | 28 |
| 2010 | 47 |
| 2011 | 24 |
| 2012 | 25 |
| 2013 | 29 |
| 2014 | 20 |
| 2015 | 21 |
| 2016 | 19 |
| 2017 | 32 |
| 2018 | 29 |
| 2019 | 21 |
| 2020 | 25 |
| 2021 | 24 |
| 2022 | 19 |
| 2023 | 23 |
| 2024 | 13 |
| 2025 | 6 |
| 2026 | 5 |
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.\"completionStatus\" = 'Completed'
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."completionStatus" = 'Completed'
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 WPR26LA311Accident · No injuriesClass 4 · LimitedFinal reportCessna T210M · Logan, UTThe pilot’s failure to extend the airplane’s landing gear before landing.NTSB CEN26LA226Accident · No injuriesClass 4 · LimitedFinal reportBeech A36TC · Kingsford, MIThe pin on the nose gear brace assembly that engages with the cam on the nose landing gear door actuator shaft was not seated inside the cam, which rendered the nose landing gear inoperative.NTSB WPR26LA210Accident · No injuriesClass 4 · LimitedFinal reportCessna P210 · Salem, ORThe pilot’s failure to extend the landing gear prior to landing.NTSB WPR26LA124Accident · Minor injuriesClass 4 · LimitedFinal reportCessna T210 · Upland, CAThe pilot’s improper approach, which resulted in a long landing, runway excursion, and a nose over.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 CEN25LA362Accident · No injuriesClass 4 · LimitedFinal reportCessna 414 · New Braunfels, TXA in-flight collision with a bird during the descent for landing.NTSB CEN25LA407Accident · No injuriesClass 4 · LimitedFinal reportCessna 414 · Maryville, MOThe left landing gear collapsed on landing rollout due to a fractured retract bellcrank on the left landing gear lower fork assembly.NTSB ERA25LA285Accident · No injuriesClass 4 · LimitedFinal reportCessna TU206 · Ellsworth, METhe pilot’s decision to operate the airplane with a known deficiency of the floats, which resulted in an accumulation of water in the forward compartments of the floats, a forward center of gravity, and subsequent nose over during a water landing.NTSB ERA25LA243Accident · No injuriesClass 4 · LimitedFinal reportCessna T188C · Mount Gilead, OHThe pilot’s failure to maintain adequate airspeed while in a turn during initial climb and the exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall at a low altitude.NTSB WPR25LA164Accident · No injuriesClass 4 · LimitedFinal reportCessna T210M · Tucson Estates, AZThe pilot’s improper landing flare, which resulted in a hard landing.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 CEN25LA051Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 340 · Muskogee, OKThe pilot’s improper fuel planning, which resulted in fuel exhaustion and a total loss of power to both engines.NTSB ERA25LA067Accident · No injuriesClass 4 · LimitedFinal reportCessna P210 · Ball Ground, GAThe pilot and the flight instructor’s failure to maintain control of the airplane during a simulated loss of engine power during takeoff, which resulted in a runway excursion, and collision with a taxiway sign.NTSB CEN25LA048Accident · No injuriesClass 4 · LimitedFinal reportBeech 58TC · International Falls, MNThe pilot’s loss of directional control during landing.NTSB ERA24LA386Accident · No injuriesClass 3 · LimitedFinal reportCessna 402 · Boston, MAThe failure of a solid hydraulic fluid line, which resulted in a loss of hydraulic fluid that prevented the landing gear extension process from completing normally. Contributing to the outcome was the pilot’s failure to fully activate the emergency landing…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 CEN24LA329Accident · No injuriesClass 3 · LimitedFinal reportCessna 414 · Leadville, COA loss of brake fluid for reasons that could not be determined, which resulted in a loss of braking effectiveness during landing.NTSB ERA24LA285Accident · Minor injuriesClass 4 · LimitedFinal reportCessna T210L · Albany, OHThe pilot's loss failure to maintain directional control of the airplane during a crosswind landing. Contributing was an unanticipated wind gust.NTSB ERA24FA283Accident · 5 fatalClass 3 · FieldFinal reportPiper PA46 · Trout Creek, NYThe pilot’s loss of airplane control in flight due to spatial disorientation during a climb to cruise altitude in instrument meteorological conditions and turbulence, which resulted in the in-flight breakup of the airplane. Contributing to the accident was…NTSB CEN24FA240Accident · 2 fatalClass 3 · FieldFinal reportCessna 414A · McKinney, TXThe pilot's improper decision to attempt continued flight after a loss of left engine power with usable runway remaining and his subsequent failure to follow the emergency procedures and maintain air minimum control speed, which resulted in a loss of control.…NTSB WPR24LA230Accident · No injuriesClass 3 · LimitedFinal reportCessna P210N · Reno, NVA loss of electrical power for undetermined reasons, which resulted in a partial extension of the landing gear and subsequent landing gear collapse during landing. Contributing to the accident was fuel starvation that resulted in a total loss of engine power.NTSB WPR24LA157Accident · No injuriesClass 3 · LimitedFinal reportCessna P210 · Daggett, CAThe pilot’s failure to detect the tripped alternator circuit breaker in flight, which resulted in a drained battery that prevented the landing gear from fully extending to the down-and-locked position. Contributing to the accident was the improperly installed…NTSB WPR24LA133Accident · No injuriesClass 3 · LimitedFinal reportCessna T210 · Placerville, CAThe pilot’s loss of directional control during the landing roll.NTSB WPR24LA126Accident · No injuriesClass 3 · LimitedFinal reportCessna P210N · Auburn, WAAn overstress fracture of the left main landing gear actuator, which resulted in the failure of the left main landing gear to fully extend and lock into place.NTSB CEN24LA065Accident · Serious injuriesClass 3 · LimitedFinal reportBeech B36TC · Burnet, TXThe loss of engine power due an overly rich mixture from an improper adjustment of the fuel pump, which resulted in a forced landing and impact with a car and terrain.NTSB CEN24LA062Accident · No injuriesClass 4 · LimitedFinal reportCessna 340A · New Orleans, LAThe improper maintenance of the main landing gear, which resulted in a collapse and overstress failure of the left main landing gear during landing.NTSB WPR24LA046Accident · Serious injuriesClass 3 · LimitedFinal reportCessna P210N · Big Bear, CAA loss of engine power during the initial climb for undetermined reasons, which resulted in an aborted takeoff and runway excursion.NTSB WPR24FA037Accident · 1 fatalClass 3 · FieldFinal reportCessna P210N · San Diego, CAA total loss of engine power due to fuel exhaustion. Contributing to the accident were the pilot’s inadequate flight and fuel planning and his decision to fly in night instrument meteorological conditions despite his lack of recent instrument flight.NTSB WPR24LA013Accident · No injuriesClass 3 · LimitedFinal reportCessna 340A · Boise, IDThe pilot’s failure to maintain directional control while taxiing, which resulted in impact with a fence.NTSB CEN24FA010Accident · 2 fatalClass 3 · FieldFinal reportCessna 414 · Patterson, LAThe pilot’s failure to properly set the elevator trim before takeoff, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall during takeoff.NTSB WPR24LA012Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-46-310P · Chandler, AZThe pilot’s failure to adequately confirm the fuel quantity before departure, resulting in fuel exhaustion and a partial loss of engine power.NTSB WPR24LA003Accident · No injuriesClass 3 · LimitedFinal reportCessna 340A · Hayward, CAThe pilot’s sudden incapacitation from effects of a previously undiagnosed underlying heart disease, which resulted in his loss of control of the airplane and subsequent impact with terrain.NTSB ANC23LA065Accident · 2 fatalClass 3 · LimitedFinal reportBeech B36TC · Cape Yakataga, AKThe pilot’s continued flight into moderate to severe icing conditions, including supercooled large droplets, over mountainous terrain, which resulted in a loss of control and impact with terrain. Contributing to the accident was the National Weather Service…NTSB WPR23LA321Accident · No injuriesClass 3 · LimitedFinal reportCessna T210M · Napa, CAInsufficient hydraulic pressure to the landing gear system following the completion of the emergency gear extension checklist, which resulted in the main landing gear collapsing during landing. Contributing to the accident was a loss of electrical power for…NTSB WPR23LA318Accident · No injuriesClass 4 · LimitedFinal reportCessna T210M · Indian Creek, IDThe pilot's improper fuel management, which resulted in fuel starvation, and gear up landing on a dirt airstrip.NTSB WPR23FA275Accident · 1 fatalClass 3 · FieldFinal reportCessna T310R · Santa Fe, NMA total loss of left engine power as a result of improper installation of the aft-facing crankshaft counterweight retaining rings. Also causal was the pilot’s failure to maintain adequate airspeed following the loss of left engine power, which resulted in the…NTSB WPR23LA234Accident · No injuriesClass 4 · LimitedFinal reportCessna P210N · Olivehurst, CAThe pilot’s failure to extend the landing gear before landing.NTSB WPR23LA221Accident · No injuriesClass 4 · LimitedFinal reportCessna 340A · Bend, ORThe pilot’s failure to maintain clearance from the fuel station, resulting in a ground collision and fire.NTSB ERA23LA257Accident · Serious injuriesClass 4 · LimitedFinal reportCessna 402 · Charlotte Amalie, CBAn in-flight collision with a bird while entering the traffic pattern.NTSB WPR23LA174Accident · No injuriesClass 4 · LimitedFinal reportCessna T210N · San Luis Obispo, CAThe pilot’s failure to maintain directional control during the landing roll.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 WPR23LA236Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-46-310P · Springfield, KYThe pilot’s failure to activate the pitot heat in a timely manner during flight into icing conditions, which resulted in a temporary failure of the flight instruments and a subsequent loss of control.NTSB CEN23FA139Accident · 1 fatalClass 3 · FieldFinal reportBeech 58P · Lubbock, TXThe pilot’s failure to ensure a proper fuel selector position before takeoff, which resulted in a loss of left engine power due to fuel starvation. Contributing to the accident was the pilot’s failure to maintain airplane control after the loss of left engine…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 WPR23LA098Accident · Serious injuriesClass 3 · LimitedFinal reportCessna T210N · Murrieta, CAA loss of engine power during the turn from base to final for undetermined reasons. Contributing to the accident was the pilot’s decision to not maintain traffic pattern altitude, which resulted in the off-airport landing.NTSB WPR23FA092Accident · 1 fatalClass 3 · FieldFinal reportCessna 414 · Modesto, CAThe pilot’s exceedance of the airplane’s critical angle of attack and failure to maintain proper airspeed during a turn to final, resulting in an aerodynamic stall and subsequent impact with terrain. Contributing to the accident was the pilot’s distraction…NTSB ERA23LA101Accident · No injuriesClass 4 · LimitedFinal reportCessna 340A · Atlantic Ocean, Turks & Caicos IslandsA fuel system malfunction for reasons that could not be determined, which resulted in fuel starvation to both engines.NTSB ERA23LA106Accident · No injuriesClass 4 · LimitedFinal reportCessna 402 · Mashpee, MAThe airplane’s impact with a bird while enroute.NTSB CEN23LA021Accident · No injuriesClass 3 · LimitedFinal reportCessna T210 · Burleson, TXThe pilot’s mismanagement of the fuel supply, which led to fuel starvation and a loss of engine power.NTSB WPR23LA012Accident · No injuriesClass 3 · LimitedFinal reportCessna T210L · Marana, AZA failure of a retaining ring in the airplane’s left main landing gear door actuator and the subsequent complete loss of hydraulic fluid, which resulted in a gear-up landing.