NTSB investigations: Continental IO-520 series, KY
38 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
| 1966 | 3 |
|---|---|
| 1967 | 1 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1978 | 1 |
| 1979 | 1 |
| 1983 | 2 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1997 | 1 |
| 2000 | 2 |
| 2005 | 1 |
| 2006 | 2 |
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 2 |
| 2014 | 1 |
| 2015 | 1 |
| 2019 | 2 |
| 2021 | 1 |
| 2022 | 2 |
| 2026 | 2 |
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\" = 'KY' 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" = 'KY' 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 ERA26LA325Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 210 · Dawson Springs, KYOn September 1, 2026, at 2225 central daylight time, a Cessna 210K, N9420M, was substantially damaged when it was involved in an accident near Dawson Springs, Kentucky. The private pilot and passenger were not injured. The airplane was operated as a Title 14…NTSB WPR26FA223Accident · 2 fatalClass 3 · FieldPreliminary reportComp Air CA6-WB · Nicholasville, KYOn June 20, 2026, about 0846 eastern daylight time, an experimental amateur-built Comp Air CA6-WB, N82BT, was destroyed when it was involved in an accident near Nicholasville, Kentucky. The pilot and passenger were fatally injured. The airplane was operated…NTSB ERA23LA154Accident · No injuriesClass 3 · LimitedFinal reportCessna 310R · Lexington, KYA main landing gear collapse due to a landing gear actuator overtravel for reasons that could not be determined.NTSB ERA23FA048Accident · 1 fatalClass 3 · FieldFinal reportBeech A36 · Harlan, KYThe pilot’s visual flight rules flight into instrument meteorological conditions during an approach to land at an airport in mountainous terrain, which resulted in controlled flight into terrain. Contributing to the accident was the pilot’s hazardous…NTSB ERA22FA085Accident · 2 fatalClass 3 · FieldFinal reportBeech V35 · Crab Orchard, KYThe noninstrument-rated pilot’s decision to continue the visual flight rules flight into instrument meteorological conditions, which resulted in spatial disorientation and a loss of airplane control and collision with terrain. Contributing to the accident was…NTSB ERA19FA155Accident · 2 fatalClass 2 · FieldFinal reportBellanca 1730 · Henderson, KYThe student pilot's failure to maintain proper airspeed, which resulted in the exceedance of the airplane's critical angle of attack at a low altitude, in the airport traffic pattern, following a total loss of engine power due to fuel exhaustion. Contributing…NTSB ERA19LA083Accident · No injuriesClass 3 · LimitedFinal reportBeech 35 · Lexington, KYThe pilot's improper slip maneuver on final approach, which resulted in a total loss of engine power.NTSB GAA15CA054Accident · No injuriesData collectionFinal reportBellanca 1730 - A · Campbellsville, KYThe pilot's improper landing flare which resulted in a hard landing.NTSB ERA14LA218Accident · Serious injuriesLimited investigationFinal reportBeech V35B · Middlesboro, KYThe pilot's failure to maintain airplane control during the landing approach due to his diverted attention to the partially opened main cabin door and the unsecured dog. Contributing to the accident was the pilot's failure to securely latch the main cabin…NTSB ERA12CA323Accident · No injuriesData collectionFinal reportBeech A36 · Paducah, KYThe pilot’s failure to properly secure the airplane before turning the propeller by hand.NTSB ERA12FA262Accident · 1 fatalField investigationFinal reportBeech 58 · Calhoun, KYThe failure of the pilot to maintain airplane control after experiencing a loss of power from the left engine due to water contamination of the fuel system. Contributing to the accident was the pilot’s inadequate preflight inspection of the airplane and…NTSB ERA11FA218Accident · 2 fatalField investigationFinal reportCessna 310R · Pikeville, KYThe pilot's flight below the published minimum descent altitude in instrument meteorological conditions, which resulted in a collision with trees and the ground. Contributing to the accident was the pilot's use of nighttime cold medication at doses above…NTSB ERA10FA246Accident · 2 fatalField investigationFinal reportBeech 58 · Bear Branch, KYThe pilot's improper in-flight planning/decision, his continued flight into adverse weather (icing conditions), and failure to maintain an adequate airspeed during the emergency descent.NTSB ERA10IA095Incident · No injuriesIncident investigationFinal reportBeech 58 · Lexington, KYThe overstress failure of the nose landing gear aft drag brace.NTSB ERA09FA093Accident · 1 fatalField investigationFinal reportBeech 36 · Louisville, KYThe pilot’s continued operation of the aircraft with known deficiencies. Contributing to this accident was the improper sealing of the engine case during overhaul.NTSB NYC08FA046Accident · 1 fatalField investigationFinal reportCessna 310R · Owensboro, KYA loss of control during approach for undetermined reasons.NTSB CHI06FA141Accident · 1 fatalField investigationFinal reportCessna 210N · Ft. Thomas, KYThe pilot failed to maintain altitude/clearance with trees while attempting to return to the airport.NTSB NYC06LA054Accident · Minor injuriesLimited investigationFinal reportCessna 206 · Lexington, KYFailure of the throttle cable. Contributing to the accident was unsuitable terrain for a forced landing.NTSB NYC06FA004Accident · 3 fatalField investigationFinal reportBeech A36 · Pikeville, KYThe pilot's failure to follow the published instrument approach which resulted in controlled flight into terrain. A factor was the low ceiling.NTSB NYC00LA164Accident · Minor injuriesLimited investigationFinal reportCessna 210 · Louisville, KYThe pilot's improper operation of the fuel selector.NTSB NYC00FA079Accident · 4 fatalField investigationFinal reportBeech 58 · Cynthiana, KYThe pilot's failure to maintain airspeed during a climb, which resulted in a loss of aircraft control.NTSB NYC97FA178Accident · 2 fatalField investigationFinal reportCessna U206B · Gilbertsville, KYThe improper repair of a float by maintenance personnel which resulted in the total failure of the float.NTSB ATL88FA104Accident · 2 fatalField investigationFinal reportBeech A36 · Bow, KYThe pilot had received two weather briefings. In both, he was advised of forecast and known icing conditions. The pilot reported ice build-up to ATC. Afterward he requested no further assistance from ATC to locate a suitable landing area. Wreckage examination…NTSB ATL87LA260Accident · Serious injuriesLimited investigationFinal reportBellanca 17-30A · Louisville, KYThe plt made two attempts to land and during his 2nd go around the eng cut out. The plt stated that he switched from left tank to rt tank but was unable to start the eng prior to making a forced landing which resulted in a collision with a house and tree. The…NTSB MIA87FA047Accident · 1 fatalField investigationFinal reportBeech C-55 · Ivel, KYThe plt who was originally scheduled to make the charter flt to pick up the pax was reluctant to do so due to low ceilings in the mountainous area at the destination. The owner of the company took the flt & the flt was observed by witnesses near the…NTSB ATL84LA016Accident · No injuriesLimited investigationFinal reportBeech 58 · Middlesboro, KYDuring arrival, the acft was landed with the landing gear retracted. An exam of the acft revealed no evidence of a preimpact malfunction or failure of the landing gear system.NTSB ATL83LA192Accident · Minor injuriesLimited investigationFinal reportBeech A36 · Stanton, KYWhile on final apch to land, the eng lost power when the acft was at aprx 300 ft AGL. The plt stated that he switched fuel tanks & retracted the landing gear & flaps in an effort to reach the rwy. When he saw that he could not glide to the rwy, he turned to…NTSB IAD79FA075Accident · No injuriesClosedBeech V35 · Somerset, KYNTSB IAD78FLQ24Accident · No injuriesClosedCessna 210L · Leitchfield, KYNTSB IAD75DLQ06Accident · No injuriesClosedCessna 188 · Owensboro, KYNTSB IAD74DLQ23Accident · No injuriesClosedBeech A36 · Hazard, KYNTSB IAD73FLQ23Accident · No injuriesClosedCessna 210 · Henderson, KYNTSB CHI73FIQ08Accident · No injuriesClosedCessna A188A · Owensboro, KYNTSB CHI72AC044Accident · No injuriesClosedAero Comdr 200-D · Louisville, KYNTSB CHI68F0244Accident · No injuriesClosedBeech 95C-55 · Lexington, KYNTSB CHI67A0060Accident · 4 fatalClosedBeech G35 · Cadiz, KYNTSB CHI67D0149Accident · No injuriesClosedCessna 210 · Glasgow, KYNTSB CHI66D0655Accident · No injuriesClosedBeech V35 · Mt Sterling, KY