NTSB investigations: Continental IO-520 series, MN
99 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 |
|---|---|
| 1967 | 2 |
| 1968 | 2 |
| 1969 | 1 |
| 1970 | 3 |
| 1972 | 4 |
| 1973 | 2 |
| 1974 | 4 |
| 1975 | 4 |
| 1976 | 5 |
| 1977 | 2 |
| 1978 | 5 |
| 1979 | 3 |
| 1980 | 3 |
| 1981 | 7 |
| 1983 | 3 |
| 1984 | 2 |
| 1985 | 2 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 1 |
| 1991 | 2 |
| 1992 | 1 |
| 1995 | 1 |
| 1996 | 3 |
| 1997 | 1 |
| 1998 | 1 |
| 2000 | 2 |
| 2001 | 4 |
| 2002 | 3 |
| 2003 | 1 |
| 2005 | 1 |
| 2006 | 1 |
| 2009 | 2 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 3 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 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\" = 'MN' 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" = 'MN' 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 CEN26FA172Accident · 2 fatalClass 3 · FieldPreliminary reportBeechcraft F33A · Minneapolis, MNOn April 25, 2026, about 1151 central daylight time, a Beechcraft F33A airplane, N8032X was destroyed when it was involved in an accident near Minneapolis, Minnesota. The pilot and passenger were fatally injured. The airplane was operated under Title 14 Code…NTSB 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 CEN24LA316Accident · No injuriesClass 3 · LimitedFinal reportCessna A185E · Eveleth, MNWater contamination of the fuel system which resulted in a total loss of engine power. Contributing was the pilot’s inadequate preflight.NTSB CEN24LA310Accident · No injuriesClass 4 · LimitedFinal reportBeech E-55 · Crystal, MNThe pilot’s improper landing flare which resulted in a hard landing.NTSB CEN24LA242Accident · No injuriesClass 3 · LimitedFinal reportCessna 310R · Duluth, MNThe failure of the left engine induction coupling during takeoff, which resulted in a total loss of left engine power and an uncommanded left yaw/roll due to asymmetrical thrust and increased drag, from which the pilot had insufficient altitude to recover…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 CEN22LA427Accident · No injuriesClass 3 · LimitedFinal reportCessna A188A · Canby, MNThe pilot’s failure to maintain airplane control during the landing, which resulted in an overload failure of the tailwheel cross tube and subsequent impact with the runway.NTSB CEN21LA073Accident · No injuriesClass 3 · LimitedFinal reportBellanca 17-30A · Arden Hills, MNIncorrect connecting rod installation, which resulted in the failure of the nos. 5 and 6 connecting rods and subsequent total loss of engine power.NTSB CEN20CA164Accident · Minor injuriesClass 4 · Data collectionFinal reportCessna A185 · Anoka, MNThe pilot's inadvertent extension of the landing gear and his subsequent water landing with the wheels extended.NTSB CEN20CA111Accident · Minor injuriesData collectionFinal reportCessna P206 · Hill City, MNThe pilot's failure to maintain the proper altitude and airspeed during the approach and his delayed addition of power to go around and the flight instructor’s delayed remedial action, which resulted in a nose-over after landing on the closed snow-covered…NTSB CEN20CA026Accident · No injuriesData collectionFinal reportBellanca 1730 · Clear Lake, MNThe pilot's focus inside the cockpit during the base turn and final approach, which led to a high sink rate developing and a subsequent hard landing short of the runway.NTSB CEN18LA302Accident · No injuriesLimited investigationFinal reportBeech A36 · Brainerd, MNTotal loss of engine power due to a fuel supply interruption from the left tank for reasons that could not be determined, which resulted in the subsequent forced landing into trees.NTSB CEN17LA212Accident · No injuriesLimited investigationFinal reportCessna 210F · Anoka, MNThe failure of the landing gear to fully extend due to insufficient hydraulic fluid in the hydraulic system as a result of inadequate maintenance by the airplane owner.NTSB CEN17LA059Accident · No injuriesLimited investigationFinal reportCessna 210 · Longville, MNThe in-flight encounter with wind shear and gusting wind conditions, which resulted in a bounced landing and runway excursion.NTSB CEN17LA058Accident · No injuriesLimited investigationFinal reportBellanca 17 30A · Blaine, MNA total loss of engine power due to a lack of crankshaft lubrication to the No. 4 connecting rod journal.NTSB GAA15CA222Accident · No injuriesData collectionFinal reportCessna A185F · Emily, MNThe pilot's failure to retract the landing gear, which resulted in a gear down water landing and a nose over.NTSB CEN14CA154Accident · No injuriesData collectionFinal reportCessna 185 · Eden Prairie, MNThe pilot's loss of directional control during takeoff with a gusty crosswind.NTSB CEN09CA321Accident · No injuriesData collectionFinal reportCessna U206C · Brainerd, MNThe pilot's failure to maintain aircraft control while landing in gusty winds.NTSB CEN09CA120Accident · No injuriesData collectionFinal reportBeech 58 · Brainerd, MNThe pilot's improper flare which resulted in a hard landing. Contributing to the accident was the unforcasted freezing rain that obscured the windscreen and hindered the pilot's ability to judge the height of the airplane above the runway.NTSB CHI06LA175Accident · 1 fatalLimited investigationFinal reportCessna A185E · Clear Lake, MNThe pilot's misjudged flare that resulted in a hard landing and subsequent nose over. A factor to the accident was the grass runway that the forward landing gear dug into during the hard landing, resulting in the amphibian airplane nosing over.NTSB CHI05LA064Accident · No injuriesLimited investigationFinal reportCessna A185F · Minneapolis, MNA failure of the tail wheel locking mechanism which resulted in the pilot's inability to maintain directional control of the airplane during the landing roll.NTSB CHI03LA190Accident · No injuriesLimited investigationFinal reportCessna A185F · Eveleth, MNThe pilot's misjudgment of speed and distance resulting in an overrun. Factors were the ditch embankment, and the tailwind component.NTSB CHI02LA209Accident · No injuriesLimited investigationFinal reportBeech S35 · Minneapolis, MNThe proper glide path not obtained/maintained by the pilot. The approach lights were a contributing factor.NTSB CHI02LA129Accident · Minor injuriesLimited investigationFinal reportCessna 210M · Watertown, MNThe improper fuel management by the pilot which resulted in fuel starvation and subsequent loss of engine power. Contributing to the accident was the soft terrain in which the forced landing was completed.NTSB CHI02LA070Accident · 2 fatalLimited investigationFinal reportBellanca 17-30A · Alexandria, MNThe pilot's disregard of the weather evaluation and his attempt to fly into known adverse weather without an instrument rating. Factors in the accident were the low ceiling, the low visibility, and the icing conditions.NTSB CHI02LA027Accident · Serious injuriesLimited investigationFinal reportBeech V35 · Mounds View, MNFuel starvation caused by the pilot's improper positioning of the fuel tank fuel selector while in the traffic pattern, and the unsuitable terrain encountered during the forced landing. Factors relating to the accident were the pilot not complying with the…NTSB CHI01LA258Accident · Serious injuriesLimited investigationFinal reportCessna A185F · Crane Lake, MNThe inadvertant control interference by the passenger's knee leading to the pilot's directional control of the floatplane not being possible.NTSB CHI01LA179Accident · Serious injuriesLimited investigationFinal reportCessna T310P · St. Cloud, MNthe fuel starvation. Fuel management by the pilot was an additional cause. The muddy terrain was a contributing factor.NTSB CHI01FA139Accident · Serious injuriesField investigationFinal reportBeech 95-C55 · St Cloud, MNthe pilot not maintaining aircraft control during the loss of right engine power during initial climb. Factors were the loss of right engine power for an undetermined reason, the pilot not complying with flight manual emergency procedures, and the trees.NTSB CHI01LA059Accident · No injuriesLimited investigationFinal reportBeech F33A · Winona, MNThe pilot not maintaining directional control during the landing roll. A factor was the snowbank.NTSB CHI00LA141Accident · No injuriesLimited investigationFinal reportCessna C310R · Hibbing, MNthe deer incursion on the landing runway.NTSB CHI98LA162Accident · Minor injuriesLimited investigationFinal reportCessna A188B · Crookston, MNthe pilot inadvertently stalled the airplane. Factors included the loss of engine power due to fuel exhaustion when the pilot failed to refuel the airplane. Another factor was fatigue.NTSB CHI97LA210Accident · Minor injuriesLimited investigationFinal reportCessna A188B · Aitkin, MNloss of engine power for undetermined reason(s). A factor relating to the accident was: the wet/soft terrain in the emergency landing area.NTSB CHI97LA040Accident · No injuriesLimited investigationFinal reportBeech B55 · Park Rapids, MNthe pilot's high flare. Factors were the icing weather condition and the airframe ice.NTSB CHI96LA313Accident · Serious injuriesLimited investigationFinal reportCessna A188B · Aitkin, MNthe pilot's failure to maintain clearance from known transmission lines. Factors relating to this accident were the transmission lines and the sunglare which hindered the pilot's ability to see the transmission lines.NTSB CHI96LA275Accident · No injuriesLimited investigationFinal reportBeech V35B · Walker, MNfailure of the pilot to properly flare the airplane for landing, and her improper recovery from a bounced landing.NTSB CHI95LA105Accident · No injuriesLimited investigationFinal reportCessna 185 · Baudette, MNan encountered with a hidden obstruction during taxi. A factor was the ski assembly not having been installed.NTSB CHI92LA256Accident · No injuriesLimited investigationFinal reportCessna A185F · St. Cloud, MNFailure of the pilot-in-command to abort takeoff before overrunning the lake edge.NTSB CHI92LA031Accident · No injuriesLimited investigationFinal reportCessna 310R · South St Paul, MNThe inadequate design of the propeller hub assembly which resulted in metal fatigue and propeller blade separation during initial climbout.NTSB CHI91LA288Accident · Minor injuriesLimited investigationFinal reportCessna 185F · Afton, MNThe pilot's inadvertent lowering of the wheels during the water landing.NTSB MKC89LA140Accident · No injuriesLimited investigationFinal reportCessna 188B · Grygla, MNInadequate preflight planning and preparation by the pilot. Tall grass (high vegetation) at the end of the strip was a contributing factor.NTSB CHI88DER12Accident · No injuriesFinal reportCessna A188B · Clearbrook, MNOn initial climb the right cowling door came open. The pilot was unable to maintain a climb and elected to make an emergency landing in a hay field. The aircraft encountered unsuitable terrain and received substantial damage. Post accident inspection of the…NTSB CHI87LA134Accident · No injuriesLimited investigationFinal reportCessna U206C · Grand Rapids, MNThe plt rprtd that drg a water lndg, the left float dug in & caused the left wing to strike the water. Subsequently, the acft nosed over. The plt did not rprt any abnormal wind or water condition.NTSB CHI86FER08Accident · No injuriesFinal reportCessna A188B · Montevideo, MNDuring takeoff roll from a roadway the wind shifted from a headwind to a tailwind. The pilot of this crop duster turned to avoid a stop sign on the roadway and allowed his landing gear to touch down on a crossing roadway. The aircraft then flipped over onto…NTSB CHI85LA200Accident · Minor injuriesLimited investigationFinal reportCessna 207 · Golden Valley, MNShortly after takeoff, on the last leg on it's flight, the engine of the air cargo acft started to sputter. The plt turned the fuel selector handlr from the left tank to another position & turned on the boost pump. The engine stopped running & the plt elected…NTSB CHI85LA140Accident · No injuriesLimited investigationFinal reportBellanca 17-30A · Marshall, MNThe acft contacted 10 ft high trees during takeoff from a gravel taxiway. The plt then performed a forced landing in a cultivated fld during which the landing gear separated from the acft.NTSB CHI84LA366Accident · No injuriesLimited investigationFinal reportCessna A188B · Delavan, MNThe plt stated the acft would not climb rapidly enough on takeoff to clear powerlines. Plt elected to fly under the wires instead of climbing over them and risking stalling the acft. The prop, windshield, and vert stabilizer contacted the lowest wire. Plt…NTSB CHI84LA173Accident · No injuriesLimited investigationFinal reportBeech A36 · Minneapolis, MNThe acft touched down hard during the landing. The nose gear collapsed and the acft slid to a stop. The plt said he was not able to arrest the sink rate of the acft with power during the landing flare.NTSB CHI83LA376Accident · No injuriesLimited investigationFinal reportBeech S35 · Austin, MNThe plt started to takeoff on rwy 35 with a wind from 300 deg at 19, gusting 25 KTS. During the takeoff roll, the right door popped open & the acft veered to the left. Reportedly, the plt intended to continue the takeoff (to circle, land & fix the door).…NTSB CHI83LA332Accident · No injuriesLimited investigationFinal reportCessna 188B · Crookston, MNThe acft collided with a barley crop during a forced landing on a narrow dirt road. The acft had lost power after takeoff for a calibration spray run. The pilot stated he took off with about 10 gallons of fuel (1/8 tank) and did not visually check the fuel…