NTSB investigations: Continental IO-520 series, FL
259 cases on aircraft whose registry engine model is Continental IO-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
| 1965 | 1 |
|---|---|
| 1966 | 3 |
| 1967 | 8 |
| 1968 | 3 |
| 1970 | 4 |
| 1971 | 2 |
| 1972 | 4 |
| 1973 | 2 |
| 1974 | 8 |
| 1975 | 5 |
| 1976 | 5 |
| 1977 | 6 |
| 1978 | 10 |
| 1979 | 8 |
| 1980 | 12 |
| 1981 | 7 |
| 1982 | 11 |
| 1983 | 6 |
| 1984 | 3 |
| 1985 | 6 |
| 1986 | 8 |
| 1987 | 5 |
| 1988 | 5 |
| 1989 | 6 |
| 1990 | 1 |
| 1991 | 4 |
| 1992 | 5 |
| 1993 | 3 |
| 1994 | 5 |
| 1996 | 4 |
| 1997 | 3 |
| 1998 | 2 |
| 1999 | 7 |
| 2000 | 1 |
| 2001 | 5 |
| 2002 | 6 |
| 2003 | 6 |
| 2004 | 4 |
| 2005 | 5 |
| 2006 | 3 |
| 2007 | 5 |
| 2008 | 5 |
| 2010 | 3 |
| 2011 | 3 |
| 2012 | 1 |
| 2013 | 6 |
| 2014 | 3 |
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
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.\"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 ('17032'))
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 ('17032'))
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 ERA27LA019Accident · No injuriesClass 3 · LimitedInvestigation openCessna A185F · Tavares, FLNTSB ERA26LA065Accident · Minor injuriesClass 4 · LimitedFinal reportBeech 95-C55 · Cocoa, FLThe flight crew’s failure to adequately manage the available fuel onboard the airplane, which resulted in a total loss of power due to fuel starvation.NTSB ERA25FA173Accident · 3 fatalClass 3 · FieldPreliminary reportCessna 310R · Boca Raton, FLOn April 11, 2025, at 1023 eastern daylight time, a Cessna 310R, N8930N, was destroyed when it was involved in an accident near Boca Raton, Florida. The two pilots and the passenger were fatally injured, and one person on the ground sustained minor injuries.…NTSB ERA24FA104Accident · 3 fatalClass 3 · FieldFinal reportBeech V35 · Clearwater, FLAn in-flight engine compartment fire due to a partially loose flexible fuel hose b-nut at the fuel metering unit. Contributing to the severity of the accident was the pilot’s inability to visually identify the destination airport at night, which prolonged the…NTSB ERA22LA235Accident · No injuriesClass 3 · LimitedFinal reportCessna 310 · Caryville, FLAn in-flight loss of engine power on both engines for undetermined reasons.NTSB ERA22LA082Accident · Minor injuriesClass 3 · LimitedFinal reportBeech S35 · Tallahassee, FLA total loss of engine power due to a lack of oil lubrication.NTSB ERA21LA281Accident · No injuriesClass 4 · LimitedFinal reportCessna 402A · Fort Lauderdale, FLThe pilot’s loss of directional control during takeoff with a fogged wind screen and sun glare, which resulted in a runway excursion and a collision with a taxiway sign.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 ERA21LA174Accident · Serious injuriesClass 3 · LimitedFinal reportBeech A36 · Arcadia, FLA total loss of engine power for underdetermined reasons.NTSB ERA20LA179Accident · 1 fatalClass 3 · LimitedFinal reportBeech F33 · Land O Lakes, FLThe partial loss of engine power due to a contaminated fuel system and the pilot’s improper decision to attempt a takeoff with a known deficiency in engine power.NTSB ERA20LA122Accident · No injuriesClass 3 · LimitedFinal reportBeech V35 · Destin, FLThe pilot’s improper fuel management, which resulted in a total loss of engine power due to fuel starvation.NTSB ERA20LA089Accident · No injuriesClass 3 · LimitedFinal reportBeech A36 · Summerland Key, FLThe pilot's failure to remove the flight control gust lock before takeoff, which resulted in an inability to rotate, aborted takeoff, and subsequent runway overrun. Contributing to the accident was a missing piece of the flight control gust lock, which did…NTSB ERA19CA291Accident · No injuriesData collectionFinal reportBeech 55 · Sebring, FLThe passenger’s inadvertent retraction of the landing gear during the landing roll without being instructed to do so by the pilot.NTSB GAA19CA557Accident · No injuriesData collectionFinal reportBeech 35 · Fort Myers, FLThe airplane’s impact with a bird during approach.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 ERA19TA129Accident · No injuriesClass 3Final reportBeech E55 · St. Petersburg, FLThe pilot's failure to extend the landing gear, which resulted in a gear-up landing.NTSB ERA19FA059Accident · 1 fatalField investigationFinal reportCessna 210 · Apalachicola, FLThe pilot's controlled flight into terrain as a result of his spatial disorientation during departure in dark nighttime conditions.NTSB ERA19TA067Accident · No injuriesClass 3Final reportBeech A36 · Summerland Key, FLThe pilot’s inadvertent retraction of the landing gear during landing rollout, resulting in a landing gear collapse.NTSB GAA18CA388Accident · Minor injuriesData collectionFinal reportCessna A185 · Miami, FLThe pilot’s failure to retract the wheels of the amphibious airplane on takeoff, which resulted in a nose-over when the airplane landed on water with the wheels extended. Contributing to the accident was the pilot’s failure to use appropriate checklists.NTSB WPR18LA209Accident · No injuriesClass 3 · LimitedFinal reportCessna 402 · Fort Lauderdale, FLThe failure of the left starter relay, which resulted in a loss of electrical power during the flight and the failure of the T-handle from the cable led to a forced landing with the landing gear retracted.NTSB GAA18CA344Accident · No injuriesData collectionFinal reportBeech A36 · Arcadia, FLThe pilot’s loss of directional control during landing due to a flat tire.NTSB ERA17LA212Accident · Minor injuriesLimited investigationFinal reportAero Commander 200D · Panama City, FLThe pilot's inadequate fuel management, which resulted in a total loss of engine power due to fuel starvation. Contributing to the accident was the pilot's failure to use the emergency checklist to restart the engine.NTSB ERA17LA070Accident · Serious injuriesLimited investigationFinal reportBeech A36 · Ormond Beach, FLThe pilot's impairment by alcohol before and during the flight, which led to his improper fuel management and resulted in fuel exhaustion and a subsequent loss of engine power.NTSB GAA17CA086Accident · Minor injuriesData collectionFinal reportBeech A36 · Ft. Myers, FLAn in-flight collision with a flock of birds.NTSB ERA17LA041Accident · Serious injuriesLimited investigationFinal reportBeech 36 · Ormond Beach, FLA loss of aircraft control for reasons that could not be determined because postaccident examination did not reveal any evidence of preimpact mechanical malfunctions or failures of the flight controls that would have precluded normal operation.NTSB ERA16CA093Accident · No injuriesData collectionFinal reportCessna 210 · Venice, FLThe pilot's failure to properly configure the landing gear, which resulted in a landing with the landing gear in the retracted position.NTSB ERA15FA361Accident · 1 fatalField investigationFinal reportCessna U206 · Spring Hill, FLThe pilot's failure to maintain a stabilized instrument approach, which resulted in a loss of control.NTSB ERA15FA325Accident · 1 fatalField investigationFinal reportCessna 310R · Titusville, FLThe pilot's continued flight into known convective weather conditions, which resulted in the airplane's encounter with thunderstorms and the pilot's subsequent loss of airplane control during a missed approach. Contributing to the accident was the failure of…NTSB ERA15CA302Accident · Minor injuriesData collectionFinal reportCessna 206G · Titusville, FLThe pilot's landing with a tailwind at an excessive speed, which resulted in a runway excursion, and collision with a ditch.NTSB GAA15CA209Accident · No injuriesData collectionFinal reportBellanca 17 30A · Tallahassee, FLThe pilot's improper fuel planning, which resulted in fuel exhaustion and a forced landing on a road where the left wing impacted vegetation and sustained substantial damage.NTSB ERA15LA090Accident · Minor injuriesLimited investigationFinal reportCessna P206 · Key West, FLA total loss of engine power for reasons that could not be determined during postaccident examinations and testing.NTSB ERA14FA403Accident · 1 fatalField investigationFinal reportBeech S35 · Laurel Hill, FLA total loss of engine power due to detonation/preignition damage of the No. 6 cylinder. Contributing to the accident was the pilot’s decision to continue flight after receiving an indication of an impending engine failure.NTSB ERA14CA175Accident · Minor injuriesData collectionFinal reportBeech S35 · Marathon, FLThe pilot's distraction in the cockpit while on a visual approach over water during a dark night resulting in the airplane descending until impact with the water.NTSB ERA14CA157Accident · No injuriesData collectionFinal reportCessna 210N · Marathon, FLThe pilot's failure to ensure that the airplane's landing gear was down and locked prior to touchdown. Contributing to the accident was the possibility of intermittent landing gear operation due to a faulty hydraulic power pack contactor.NTSB ERA14LA076Accident · Serious injuriesLimited investigationFinal reportCessna 210N · Tampa, FLA total loss of engine power due to the fatigue failure of the No. 4 connecting rod. Contributing to the accident was a likely loss of lubrication for reasons that could not be determined during a postaccident engine examination.NTSB ERA14FA068Accident · 3 fatalField investigationFinal reportCessna 310R · Jacksonville, FLThe pilot’s failure to maintain airplane control during a missed approach in night instrument meteorological conditions due to spatial disorientation and a lack of instrument proficiency.NTSB ERA14CA032Accident · No injuriesData collectionFinal reportBeech V35B · Palm Coast, FLAn inadvertent collision with a black vulture.NTSB ERA13LA428Accident · No injuriesLimited investigationFinal reportBeech A36 · Wellington, FLA total loss of engine power due to an interruption in fuel flow, which was most likely due to fuel starvation. Contributing to the accident was the pilot’s failure to maintain control of the airplane while performing the subsequent forced landing to a wet…NTSB ERA13LA398Accident · No injuriesLimited investigationFinal reportCessna 210J · Fort Myers, FLThe failure of the landing gear hydraulic power pack system to provide sufficient pressure to lock the main landing gear in the down position. Contributing to the accident was the improper maintenance and inspection of the landing gear system, the pilot’s…NTSB ERA13CA207Accident · No injuriesData collectionFinal reportCessna A185F · Palatka, FLThe pilot’s failure to retract the landing gear after takeoff from a runway, and his subsequent water landing with the wheels extended.NTSB ERA12LA157Accident · Minor injuriesLimited investigationFinal reportCessna 210E · Port Orange, FLThe total loss of engine power for reasons that could not be conclusively determined during postaccident examination.NTSB ERA11LA451Accident · Minor injuriesLimited investigationFinal reportCessna U206F · Arcadia, FLThe pilot’s decision to take off in high density altitude conditions with the airplane over its maximum gross weight, due to the pilot’s improper weight and balance calculations, which resulted in the airplane’s inability to climb or maintain altitude.NTSB ERA11CA255Accident · No injuriesData collectionFinal reportBeech F33A · Ocala, FLThe pilot's improper flare which resulted in a hard landing. Contributing to the accident was the pilot's distracted attention due to the electrical system failure.NTSB ERA11CA125Accident · No injuriesData collectionFinal reportCessna 210K · Crestview, FLThe pilot's inability to maintain control of the airplane during landing due to the failure of the right main tire.NTSB ERA11CA076Accident · No injuriesData collectionFinal reportBeech 95-C55 · Williston, FLThe pilot's failure to properly configure and confirm the position of the landing gear prior to landing.NTSB ERA10LA307Accident · No injuriesLimited investigationFinal reportCessna 210L · Tampa, FLThe total loss of engine power due to inadequate torgue on the crankcase bolts. Contributing to the accident was the inadequate inspection performed 19.5 hours prior to the accident.NTSB ERA10CA191Accident · No injuriesData collectionFinal reportBeech 58 · Naples, FLThe pilot's improper flare while landing, resulting in a bounced landing.NTSB MIA08LA195Accident · Minor injuriesLimited investigationFinal reportBellanca 17-30 · Clearwater, FLThe failure of the pilot to maintain directional control during the landing roll. Contributing to the accident was the pilot's improper use of a supplemental cockpit lighting during approach.NTSB NYC08CA276Accident · No injuriesData collectionFinal reportCessna A188B · Gardner, FLThe pilot's misjudged distance/altitude during takeoff.NTSB MIA08FA144Accident · 3 fatalField investigationFinal reportBeech A-36 · Tampa, FLThe pilot's improper decision to take off with a tailwind and his failure to maintain runway alignment during initial takeoff climb.