NTSB investigations: Continental IO-520 series, OR
69 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 | 1 |
|---|---|
| 1970 | 1 |
| 1971 | 2 |
| 1974 | 3 |
| 1975 | 2 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 3 |
| 1979 | 4 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 3 |
| 1983 | 1 |
| 1984 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1989 | 1 |
| 1991 | 2 |
| 1992 | 1 |
| 1993 | 2 |
| 1994 | 1 |
| 1995 | 2 |
| 1997 | 1 |
| 1999 | 1 |
| 2000 | 2 |
| 2001 | 2 |
| 2003 | 3 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 1 |
| 2008 | 4 |
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2025 | 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\" = 'OR' 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" = 'OR' 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 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 WPR25LA228Accident · No injuriesClass 3 · LimitedPreliminary reportBeech V35 · Astoria, OROn July 22, 2025, about 1706 Pacific daylight time, a Beechcraft Bonanza V35, N3785Q, sustained substantial damage when it was involved in an accident near Astoria, Oregon. The pilot and passenger were not injured. The airplane was operated as a Title 14 Code…NTSB WPR20CA213Accident · No injuriesClass 4 · Data collectionFinal reportBeech 33 · Redmond, ORThe left seated flight instructor’s improper manipulation of the landing gear position selection lever to the up position while still on the landing roll, which ultimately resulted in a landing gear collapse during a subsequent landing.NTSB WPR19LA217Accident · No injuriesClass 3 · LimitedFinal reportCessna 206 · Prospect, ORThe failure of the counterweight retainer pin plate which resulted in a total loss of engine power.NTSB GAA17CA432Accident · No injuriesData collectionFinal reportCessna TU206B · Sandy, ORThe pilot’s improper bank control during landing in gusting wind conditions.NTSB GAA17CA359Accident · No injuriesData collectionFinal reportCessna A188 · Salem, ORThe pilot’s failure to maintain directional control during the takeoff roll, which resulted in the airplane contacting tall grass.NTSB GAA16CA443Accident · No injuriesData collectionFinal reportCessna A185 · Klamath Falls, ORThe pilot's improper landing flare, which resulted in the airplane porpoising and the subsequent loss of directional control.NTSB WPR12CA299Accident · No injuriesData collectionFinal reportBellanca 17-30 · Hillsboro, ORThe pilot’s failure to maintain directional control during landing, which resulted in a runway excursion and collision with an airport lighting system.NTSB WPR12FA020Accident · 1 fatalField investigationFinal reportPiper PA-44-180 · St. Paul, ORThe pilot was unable to see the other aircraft to avoid a collision.NTSB WPR10CA361Accident · No injuriesData collectionFinal reportBeech V35 · Bend, ORThe pilot's inadequate compensation for a wind gust during the landing flare, which resulted in a hard landing.NTSB WPR10LA140Accident · No injuriesLimited investigationFinal reportCessna 210L · Aurora, ORThe failure of the landing gear to properly function for undetermined reasons, resulting in the right main landing gear collapsing during landing. Contributing to the accident was the pilot's failure to follow the emergency gear extension procedure.NTSB WPR09CA439Accident · No injuriesData collectionFinal reportBellanca 17-30A · La Grande, ORThe pilot's improper flare, which resulted in a bounced landing.NTSB WPR09FA027Accident · 2 fatalField investigationFinal reportCessna P206 · Estacada, ORThe pilot's failure to maintain clearance from trees while on approach to land at night. Contributing to the accident was the electrical system failure and the pilot's diverted attention.NTSB SEA08CA197Accident · No injuriesData collectionFinal reportCessna A185F · Lakeview, ORThe pilot's failure to maintain directional control. A contributing factor was the rough terrain.NTSB LAX08LA201Accident · Minor injuriesLimited investigationFinal reportCessna A185F · Rainier, ORThe inadvertent extension of the left float's landing gear to near the down position due to a failure of the gear's rear hydraulic seal.NTSB SEA08CA112Accident · No injuriesData collectionFinal reportCessna 185E · Bend, ORThe pilot's inadequate compensation for the crosswind condition and failure to maintain directional control. Contributing to the accident was an unexpected crosswind gust.NTSB SEA07CA274Accident · No injuriesData collectionFinal reportCessna A185F · Lexington, ORThe pilot's failure to maintain directional control during the landing roll which resulted in an inadvertent ground loop/swerve.NTSB SEA07CA008Accident · Minor injuriesData collectionFinal reportBeech E-55 · Ontario, ORThe dual loss of engine power due to fuel exhaustion as a result of the pilot's failure to adequately determine the amount of fuel aboard the airplane during his preflight preparation. A contributing factor was the pilot's misjudgment of distance/speed during…NTSB SEA06CA059Accident · No injuriesData collectionFinal reportBeech V35B · Burns, ORThe pilot's failure to maintain clearance from the terrain during the takeoff sequence. Factors include his inadequate removal of snow and ice from the wings prior to takeoff, his improper decision to retract the landing gear before it had been positively…NTSB SEA05LA081Accident · No injuriesLimited investigationFinal reportCessna 185F · Medford, ORThe pilot's failure to maintain directional control during the landing roll. Factors include variable winds that at times were crosswinds.NTSB SEA05FA061Accident · Serious injuriesField investigationFinal reportNavion Navion H · Hubbard, ORThe total loss of engine power immediately after takeoff for undetermined reason.NTSB SEA04FA088Accident · 1 fatalField investigationFinal reportCessna A185F · Molalla, ORThe pilot's inadequate in-flight planning/decision which resulted in VFR flight into IMC, and his failure to maintain control. Factors include mountain obscuration, clouds and convective weather conditions.NTSB SEA04FA009Accident · 1 fatalField investigationFinal reportBeech A36 · Seaside, ORThe pilot's failure to maintain clearance from objects while maneuvering. High winds, gusts and rain were factors.NTSB SEA03LA122Accident · No injuriesLimited investigationFinal reportCessna 185F · Lexington, ORThe pilot's failure to maintain aircraft control during the landing roll. A partially deflated tire and soft terrain were factors.NTSB SEA03LA090Accident · No injuriesLimited investigationFinal reportBeech 95 C-55 · Canby, ORThe pilot's inadequate preflight planning resulting in fuel starvation and subsequent loss of power after takeoff. High vegetation was a factor.NTSB SEA01FA167Accident · 3 fatalField investigationFinal reportBeech 58 · Ashland, ORThe pilot's failure to maintain clearance from the terrain after inadvertently entering an area of instrument meteorological conditions (IMC) during a visual flight rules (VFR) flight. Factors include mountainous/hilly terrain and low ceilings in the area…NTSB SEA01LA086Accident · No injuriesLimited investigationFinal reportCessna U206 · Yamhill, ORthe pilot's failure to adequately compensate for gusty tailwind conditions, resulting in an excessive rate of descent at touchdown. Factors include gusty tailwinds during the landing sequence.NTSB SEA00LA147Accident · No injuriesLimited investigationFinal reportCessna A185F · Tillamook, ORThe pilot's failure to maintain directional control.NTSB SEA00LA140Accident · Minor injuriesLimited investigationFinal reportCessna 188 · Lone Pine, ORThe complete loss of engine power for undetermined reasons. Factors include an irrigation system in the field where the forced landing took place, and the pilot's intentional initiation of a ground loop in order to miss the pipes of the irrigation system.NTSB SEA00LA017Accident · 1 fatalLimited investigationFinal reportCessna A185F · Astoria, ORThe pilot's failure to maintain airspeed after a delayed go-around. Factors include incapacitation due to the use of unapproved drugs.NTSB SEA98LA004Accident · Serious injuriesLimited investigationFinal reportBeech V-35 · Medford, ORthe pilot's failure to refuel the airplane.NTSB SEA95LA208Accident · Minor injuriesLimited investigationFinal reportCessna 185F · Salem, ORA loss of power for undetermined reasons and the pilot's failure to maintain airspeed while maneuvering for a forced landing.NTSB SEA95LA040Accident · No injuriesLimited investigationFinal reportCessna A185E · Hillsboro, ORA loss of engine power for undetermined reasons.NTSB SEA94FA055Accident · 2 fatalField investigationFinal reportBeech S35 · Ashland, ORPoor in-flight planning/decision. Factors to the accident were: clearance was not maintained and poor supervision.NTSB SEA93LA129Accident · Minor injuriesLimited investigationFinal reportCessna T210K · Forest Grove, ORLoss of engine power due to fuel exhaustion, resulting from inadequate preflight planning/preparation by the PIC.NTSB SEA93LA062Accident · Minor injuriesLimited investigationFinal reportCessna 185E · North Bend, ORThe pilot's failure to maintain directional control, and inadequate remedial action. Factors include a poor inflight decision, and gusty crosswinds.NTSB SEA92LA108Accident · No injuriesLimited investigationFinal reportCessna A188A · Redmond, ORProper clearance from objects was not maintained. Factors to the accident were: sunglare, wires, and visual lookout was not possible.NTSB SEA91LA212Accident · No injuriesLimited investigationFinal reportCessna U206F · Nimrod, ORThe fractured crankshaft resulting in engine seizure followed by a forced landing on rough and uneven terrain resulting in separation of the nose gear.NTSB SEA91LA151Accident · No injuriesLimited investigationFinal reportBeech C33A · Brookings, ORThe pilot's improper flare for touchdown, and her improper recovery from a bounced landing.NTSB SEA90LA026Accident · No injuriesLimited investigationFinal reportBellanca 17-30 · Newberg, ORFailure of the pilot to maintain runway alignment. The birds & debris (hidding obstructions) were related factors.NTSB SEA87LA069Accident · No injuriesLimited investigationFinal reportBellanca 17-30 · Medford, ORA total and sudden loss of power occurred at about 3,500 feet MSL during climb for cruise. The pilot made a 180 degree turn back to the airport. Since an undershoot was assured the pilot elected to land the aircraft on a field. During landing rollout at about…NTSB SEA86LA156Accident · No injuriesLimited investigationFinal reportCessna 188 · Durkee, ORWhile crossing a mountain ridge at low altitude, the aircraft encountered downdrafts. The pilot was forced to land as he was unable to arrest the descent rate. The landing was accomplished onto very rough terrain.NTSB SEA84LA112Accident · No injuriesLimited investigationFinal reportCessna 188B · Shedd, ORWhile landing on a 1600 ft ag strip, the plt realized he had too much speed. However, there were power lines at the departure end of the strip, so he elected not to attempt a go-around. He intentionally ground looped the acft to avoid a ditch & road at the…NTSB SEA83LA049Accident · No injuriesLimited investigationFinal reportCessna A188B · Medford, ORThe aircraft collided with a tree during aerial application operations. The pilot stated that there was a powerline at one end of the orchard he was spraying and a row of leafless trees at the other. One of the taller boundary trees was overlooked by the…NTSB SEA83LA021Accident · No injuriesLimited investigationFinal reportCessna U206 · Cove, ORPilot landed on icy runway and slid 1200 feet into the river.NTSB SEA82DYK12Accident · No injuriesFinal reportCessna 210 · Rosenburg, ORThe pilot attempted to hand start the aircraft due to a weak battery. The pilot told passenger to hold the brakes and assumed the passenger knew how, because of his many hours of flight time (as a passenger). When the engine started the aircraft began to move…NTSB SEA82DYK10Accident · 2 fatalFinal reportBeech S35 · Mckenzie Bridge, ORThe aircraft was landed at the Mckenzie Bridge state airport where two passengers deplaned. The airport had a 2600 ft turf runway with an upslope gradient of 3.4% toward the east. The airport/facility directory stated, "unattended. Land to e, takeoff to w.…NTSB SEA81FYM26Accident · No injuriesClosedCessna P206 · Oregon City, ORNTSB SEA80DYK14Accident · No injuriesClosedCessna 210 · French Glen, ORNTSB SEA80FYM33Accident · No injuriesClosedCessna A188A · Gresham, OR