NTSB investigations: Continental IO-520 series
136 cases on aircraft whose registry engine model is Continental IO-520 series, where the defining event was Loss of control on ground. 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
| 2008 | 8 |
|---|---|
| 2009 | 6 |
| 2010 | 4 |
| 2011 | 6 |
| 2012 | 10 |
| 2013 | 10 |
| 2014 | 6 |
| 2015 | 7 |
| 2016 | 7 |
| 2017 | 12 |
| 2018 | 9 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 9 |
| 2025 | 3 |
| 2026 | 7 |
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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17032')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '230'))
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17032')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '230'))
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 WPR27LA010Accident · No injuriesClass 4 · LimitedInvestigation openCessna A185F · Madera, CANTSB ANC27LA001Accident · Minor injuriesClass 4 · LimitedInvestigation openCessna U206F · Meadow Lakes, AKNTSB WPR26LA298Accident · No injuriesClass 4 · LimitedInvestigation openCessna A185F · Reno, NVNTSB ANC26LA050Accident · No injuriesClass 4 · LimitedInvestigation openCessna A185F · Steele Creek, AKNTSB CEN26LA158Accident · No injuriesClass 4 · LimitedFinal reportCessna A185 · Luverne, MNThe pilot’s failure to maintain directional control during a gusting crosswind landing, and the flight instructor’s delayed remedial action.NTSB ERA26LA154Accident · Minor injuriesClass 4 · LimitedFinal reportBeech V35 · Saluda, SCThe pilot’s failure to maintain control of the airplane during an aborted landing, which resulted in a runway excursion, collision with a fence, and a hard landing .NTSB CEN26LA091Accident · Minor injuriesClass 4 · LimitedFinal reportBellanca 17-30A · Burnet, TXThe pilot’s improper judgement to relinquish his pilot responsibilities to the passenger with the engine operating, which resulted in a loss of airplane control and impact with a parked vehicle.NTSB WPR25LA263Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Lakeview, ORThe pilot’s failure to maintain directional control during the landing roll, in gusting crosswind conditions.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 CEN25LA131Accident · No injuriesClass 4 · LimitedFinal reportCessna P206 · Frankston, TXThe pilot’s failure to maintain directional control during the landing with a gusting crosswind.NTSB ANC25LA003Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Wasilla, AKThe pilot’s failure to maintain directional control during the landing roll, resulting in a ground loop.NTSB CEN24LA321Accident · No injuriesClass 4 · LimitedFinal reportCessna A185 · Loveland, COThe pilot’s failure to maintain directional control during the landing, that resulted in a ground loop and a runway excursion. Contributing to the accident was the flight instructor’s delayed remedial action.NTSB ANC24LA075Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Fairbanks, AKThe pilot's failure to maintain directional control while landing at a short remote airstrip.NTSB CEN24LA293Accident · No injuriesClass 4 · LimitedFinal reportBeech F33A · Lincoln, NEThe pilot’s failure to maintain directional control during the landing roll with a crosswind.NTSB ERA24LA312Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Rural Retreat, VAA loss of directional control during the landing roll.NTSB CEN24LA274Accident · No injuriesClass 4 · LimitedFinal reportCessna A188 · David City, NEThe pilot’s failure to maintain directional control during takeoff.NTSB CEN24LA238Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Fort Leavenworth, KSThe pilot’s failure to maintain directional control after landing.NTSB WPR24LA199Accident · No injuriesClass 4 · LimitedFinal reportCessna A185E · Nampa, IDLoss of directional control during the takeoff roll.NTSB ERA24LA112Accident · No injuriesClass 4 · LimitedFinal reportBellanca 17-30 · Stevensville, MDThe pilot’s failure to maintain directional control of the airplane while landing with a crosswind.NTSB CEN24LA078Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 210M · Gulfport, MSThe pilot’s failure to maintain directional control during the go-around with a crosswind.NTSB CEN23LA423Accident · 1 fatalClass 3 · LimitedFinal reportBeech A36 · Broken Bow, OKThe pilot’s failure to maintain the runway centerline during landing and subsequent failure to maintain clearance from the airport grounds worker during the landing roll. Contributing to the accident was the absence of a NOTAM for mowing operations at the…NTSB CEN23LA365Accident · No injuriesClass 4 · LimitedFinal reportCessna A188B · Chillicothe, MOThe pilot’s decision to operate the airplane with a known tailwheel anomaly, which resulted in a loss of directional control.NTSB WPR23LA189Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Twisp, WAThe pilot’s loss of directional control during landing, which resulted in a runway excursion and ground loop.NTSB CEN23LA177Accident · No injuriesClass 4 · LimitedFinal reportBellanca 17-30A · Longville, MNThe pilot’s failure to maintain directional control during the landing roll with an unexpected windshift, which resulted in a runway excursion.NTSB ANC23LA026Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Homer, AKThe pilot’s failure to maintain directional control of the airplane during the landing roll, which resulted in a ground loop and impact with terrain.NTSB GAA23WA040Accident · No injuriesClass 5 · ForeignCessna P206D · La Familia, BelizeNTSB CEN22LA172Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Evansville, INThe pilot did not maintain directional control during the landing roll resulting in a ground loop.NTSB WPR22LA091Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Gila Bend, AZThe pilot's failure to maintain directional control during the landing rollNTSB CEN22LA104Accident · No injuriesClass 4 · LimitedFinal reportBeech V35B · McKinney, TXThe pilot’s failure to maintain control during the landing with gusty wind.NTSB ANC21LA051Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Hoonah, AKThe pilot’s failure to maintain directional control during landing.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 WPR21LA181Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Driggs, IDThe pilot’s failure to maintain directional control while landing with gusting wind conditions, which resulted in a ground loop.NTSB ANC21LA031Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Anchorage, AKA loss of control during landing for reasons that could not be determined based on the available evidence.NTSB ANC21LA026Accident · Minor injuriesClass 4 · LimitedFinal reportCessna A185F · Fairbanks, AKThe pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.NTSB CEN21LA152Accident · No injuriesClass 4 · LimitedFinal reportCessna A185F · Pueblo, COThe pilot’s failure to maintain directional control in gusting crosswind conditions.NTSB CEN20CA382Accident · No injuriesClass 4 · Data collectionFinal reportCessna A185 · Bellaire, MIThe pilot's loss of directional control during the landing roll.NTSB CEN20LA372Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 414 · Ray, MIThe pilot’s loss of directional control on takeoff.NTSB WPR20CA275Accident · No injuriesClass 4 · Data collectionFinal reportCessna A185 · Susanville, CAThe pilot's failure to maintain directional control during takeoff with a tailwind, which resulted in a subsequent collapse of the right main landing gear.NTSB CEN20CA285Accident · No injuriesClass 4 · Data collectionFinal reportCessna A185 · Rochester, INThe pilot's failure to maintain directional control during landing resulting in a ground loop.NTSB ANC20CA071Accident · No injuriesClass 4 · Data collectionFinal reportCessna A185 · Palmer, AKThe pilot's loss of control during landing, which resulted in a ground loop and left main landing gear collapse.NTSB WPR20CA232Accident · No injuriesClass 4 · Data collectionFinal reportCessna U206 · Nenana, AKThe pilot's failure to maintain directional control during a soft field takeoff on a dirt airstrip, which resulted in an impact with a vehicle.NTSB WPR20CA204Accident · No injuriesClass 4 · Data collectionFinal reportCessna A185 · San Diego, CAThe pilot's failure to maintain airplane control during landing with a crosswind and excessive braking action, which resulted in the airplane nosing over.NTSB ANC20CA027Accident · No injuriesData collectionFinal reportCessna TP206 · Kahului, HIThe pilot's improper landing flare in gusting crosswind conditions, which resulted in the airplane porpoising and a subsequent a loss of directional control, runway excursion, and nose-over.NTSB GAA20CA072Accident · No injuriesData collectionFinal reportCessna U206 · Mexico, MOThe pilot's failure to properly set the parking brake before exiting an operating airplane, which resulted in a runaway airplane and subsequent impact with trees.NTSB GAA20CA048Accident · Minor injuriesData collectionFinal reportBeech A36 · Le Roy, NYThe pilot's improper pitch control during takeoff in high, gusting wind conditions, which resulted in a runway overrun and the nose landing gear collapsing.NTSB GAA19CA545Accident · No injuriesData collectionFinal reportCessna P206 · Caldwell, IDThe pilot's improper approach, which resulted in a long landing, a runway overrun, and collision with a drainage culvert.NTSB GAA19CA523Accident · No injuriesData collectionFinal reportCessna A185 · San Carlos, CAThe pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.NTSB GAA19CA260Accident · No injuriesData collectionFinal reportCessna A185 · Northway, AKThe pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop and subsequent nose-over.NTSB WPR19LA138Accident · No injuriesClass 3 · LimitedFinal reportBeech 36 · Reno, NVThe pilot’s inability to maintain directional control during landing in gusty crosswind conditions for reasons that could not be determined based on available evidence.NTSB WPR19LA134Accident · No injuriesClass 3 · LimitedFinal reportCessna A185 · Kalispell, MTThe loss of directional control during landing for reasons that could not be determined based on available evidence.