NTSB investigations: Continental IO-520 series, ME
41 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
| 1968 | 1 |
|---|---|
| 1971 | 2 |
| 1972 | 2 |
| 1977 | 2 |
| 1978 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 2 |
| 1994 | 1 |
| 1995 | 2 |
| 1997 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2003 | 1 |
| 2006 | 2 |
| 2007 | 2 |
| 2009 | 1 |
| 2011 | 3 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2017 | 2 |
| 2019 | 1 |
| 2022 | 1 |
| 2025 | 1 |
| 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\" = 'ME' 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" = 'ME' 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 ERA26FA205Accident · 1 fatalClass 3 · FieldPreliminary reportCessna A185F · Avon, MEOn May 12, 2026, about 1058 eastern daylight time, a Cessna A185F airplane, N61368, was substantially damaged when it was involved in an accident near Avon, Maine. The pilot was fatally injured. The airplane was owned by the state of Maine and operated as a…NTSB ERA25FA309Accident · 1 fatalClass 3 · FieldPreliminary reportCessna A185F · Bangor, MEOn August 22, 2025, at 1321 eastern daylight time, a Cessna A185F, N714HE, was substantially damaged when it was involved in an accident near Bangor, Maine. The pilot was fatally injured. The flight was being conducted as a 14 Code of Federal Regulations Part…NTSB ERA22LA402Accident · Serious injuriesClass 4 · LimitedFinal reportCessna U206G · Millinocket, METhe pilot’s failure to maintain an appropriate descent rate for a glassy water landing, which resulted in a hard landing.NTSB GAA19CA513Accident · Minor injuriesData collectionFinal reportCessna A185 · Rangeley Lake, METhe pilot's inadequate preflight inspection of the floats, which led to his subsequent attempt to depart from a lake with damaged floats and led to a loss of roll control and the right wing impacting the water.NTSB ERA17LA307Accident · Minor injuriesClass 3 · LimitedFinal reportCessna U206 · Harpswell, MEA total loss of engine power due to maintenance personnel's failure to apply proper torque to the cylinder flange nuts and through bolts, which resulted in shifting of the Nos. 1, 2, and 3 main bearings, loss of lubrication, and failure of the crankshaft.NTSB ERA17CA213Accident · Minor injuriesData collectionFinal reportCessna 207 · Vinalhaven, METhe pilot’s failure to maintain a stabilized approach, which resulted in a bounced landing and subsequent go-around with insufficient distance to clear trees during the climb.NTSB ERA15CA095Accident · No injuriesData collectionFinal reportCessna A185E · Lewiston, METhe pilot's failure to properly set the throttle prior to engine start, which resulted in a loss of control and collision with parked airplanes.NTSB ERA14LA084Accident · 1 fatalLimited investigationFinal reportBeech A36 · Fryeburg, METhe pilot’s incapacitation due to a cardiac event during taxi.NTSB ERA14CA021Accident · Minor injuriesData collectionFinal reportCessna A185F · Northeast Carry, METhe pilot's improper decision to take off for an intended night water landing, and his subsequent loss of depth perception during that landing attempt.NTSB ERA12FA007Accident · 1 fatalField investigationFinal reportCessna 207A · Matinicus Island, METhe pilot’s failure to maintain airplane control during the approach after encountering a gusty crosswind, which resulted in an accelerated stall and uncontrolled descent.NTSB ERA11LA405Accident · Serious injuriesLimited investigationFinal reportCessna U206G · Matinicus Island, METhe pilot’s improper fuel management, which resulted in a total loss of engine power due to fuel starvation.NTSB ERA11GA207Accident · 1 fatalFinal reportCessna A185F · Ashland, MEAn inadvertent encounter with localized instrument meteorological conditions, which resulted in spatial disorientation and a loss of control.NTSB ERA09LA352Accident · Minor injuriesLimited investigationFinal reportCessna U206F · Islesboro, MEA loss of engine power due to fuel contamination.NTSB DFW08LA019Accident · No injuriesLimited investigationFinal reportCessna U206G · Lebanon, MEFailure of the crankshaft resulting in the total loss of engine power.NTSB NYC07CA097Accident · No injuriesData collectionFinal reportCessna A185F · Ashland, METhe pilot's failure to maintain aircraft control while taxiing, which resulted in a nose over. A factor in this accident was the frozen, slush covered lake.NTSB NYC06IA226Incident · No injuriesIncident investigationFinal reportCessna 206F · Matinicus Islnd, MEAn engine kick back of undetermined origin during engine start.NTSB NYC06CA140Accident · No injuriesData collectionFinal reportCessna A185E · Turner, METhe pilot's failure to obtain the proper touchdown point, resulting in a runway undershoot, and substantial damage to the airplane.NTSB NYC03FA197Accident · 3 fatalField investigationFinal reportCessna U206F · Greenville, METhe pilot's improper fuel management by which he failed to position the fuel selector in the proper position and resulted in fuel starvation during the initial climb.NTSB IAD02LA041Accident · No injuriesLimited investigationFinal reportCessna U206F · Matinicus, MEA partially blocked fuel metering unit inlet screen, which resulted in a partial loss of engine power. Also causal, was the operator's lack of inlet screen inspection procedures.NTSB NYC01LA183Accident · No injuriesLimited investigationFinal reportBeech BE-36 · Biddeford, METhe pilot's inadequate preflight inspection, which resulted in an attempted takeoff with a control column lock installed.NTSB NYC97LA153Accident · No injuriesLimited investigationFinal reportCessna 185 · Norway, METhe pilot's failure to maintain control of the airplane while maneuvering to avoid an obstacle.NTSB NYC96LA041Accident · No injuriesLimited investigationFinal reportCessna U206G · Bangor, MEthe pilot's improper inflight planning/decision, and his failure to properly plan his approach for landing, so that the airplane would not stall or touchdown hard. Factors relating to the accident were: the adverse weather (icing) condition, the accumulation…NTSB NYC95LA093Accident · No injuriesLimited investigationFinal reportCessna 185 · Bangor, MEthe pilot's improper flare, which resulted in a hard landing and collapse of the right main gear.NTSB BFO94T#001Accident · No injuriesClass 3Final reportCessna 210 · Augusta, MENTSB NYC92FA164Accident · Serious injuriesField investigationFinal reportBeech D55 · Oxford, METhe pilot's improper preflight and fuel tank selection for takeoff, which resulted in fuel starvation and loss of power in both engines during takeoff.NTSB BFO92LA071Accident · Minor injuriesLimited investigationFinal reportCessna U206E · Turner, METhe pilot's inadequate flare which resulted in a hard landing. Contributing to the accident was the soft terrain.NTSB NYC91LA234Accident · Minor injuriesLimited investigationFinal reportCessna 185F · Sanford, METhe pilot's improper procedure by not placing the fuel selector on the tank with the most fuel, which resulted in fuel starvation and a forced landing in trees.NTSB NYC90LA160Accident · 1 fatalLimited investigationFinal reportCessna U206F · Augusta, MEImproper planning/decision by the pilot, and his failure to compensate for wind conditions. The unfavorable wind conditions and rough water were related factors.NTSB NYC89LA162Accident · No injuriesLimited investigationFinal reportBeech F33A · Waterville, METhe pilot's disregard of NOTAMS and the excessive landing speed which resulted in a long landing roll.NTSB NYC87FA015Accident · 1 fatalField investigationFinal reportCessna 185 · Greenville, METh plt stated that the acft encountered crosswinds of 20 KTS gusting to 30 KTS as the acft was coming off the step during liftoff in the open lake. The acft's right wing was forced down, the right float struck the water which resulted in the right wing…NTSB NYC85LA192Accident · No injuriesLimited investigationFinal reportCessna P206D · Limerick, MEDuring the short field approach, as the aircraft passed over the tree line, the sink rate suddenly increased. The pilot applied power and increased the pitch but the aircraft touching down hard and bounced. A second touch down was made and as the nosewheel…NTSB NYC83FA204Accident · 2 fatalField investigationFinal reportBeech S35 · Wiscasset, METhe acft was observed taking off on a foggy night with a low overcast sky condition. Shortly after taking off, the plane was observed to turn at low alt, then enter a nose down attitude. The acft crashed & the non-instrument rated plt & passenger were fatally…NTSB NYC82FNC05Accident · Serious injuriesFinal reportCessna 210 · Carrabassett, MEDuring a straight-in approach to runway 35, the aircraft touched down short of the threshold. It decelerated rapidly in deep packed snow, slid over a snow bank, and came to rest on the paved runway. The nosewheel collapsed and the pilot suffered serious head…NTSB NYC78FA035Accident · 4 fatalClosedBeech S35 · Carrabassett, MENTSB NYC77FNC51Accident · Minor injuriesClosedCessna A185E · Patten, MENTSB NYC77FNC17Accident · Serious injuriesClosedCessna 172 · Caribu, MENTSB NYC73FNC14Accident · No injuriesClosedCessna 210D · Oxford, MENTSB NYC72DNC30Accident · Minor injuriesClosedBeech 58 · Millinocket, MENTSB NYC71FNC28Accident · No injuriesClosedCessna U206 · Bridgton, MENTSB NYC71FFG15Accident · Minor injuriesClosedCessna 310N · Auburn, MENTSB NYC68F0371Accident · No injuriesClosedBeech 35 · Old Town, ME