NTSB investigations: Continental IO-520 series, WI
54 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
| 1965 | 1 |
|---|---|
| 1974 | 2 |
| 1975 | 2 |
| 1977 | 3 |
| 1978 | 2 |
| 1979 | 1 |
| 1981 | 1 |
| 1982 | 2 |
| 1984 | 2 |
| 1985 | 2 |
| 1986 | 3 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 3 |
| 1990 | 2 |
| 1992 | 1 |
| 1993 | 2 |
| 1996 | 1 |
| 1998 | 3 |
| 2001 | 2 |
| 2002 | 2 |
| 2004 | 1 |
| 2009 | 2 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2021 | 1 |
| 2023 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Where
Latest 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\" = 'WI' 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" = 'WI' 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 CEN26LA262Accident · No injuriesClass 4 · LimitedInvestigation openBeech F33A · Janesville, WINTSB CEN25LA344Accident · No injuriesClass 4 · LimitedFinal reportCessna 210 · Markesan, WIThe pilot’s failure to attain a proper touchdown point which resulted in a long landing and subsequent runway overrun.NTSB CEN25LA211Accident · No injuriesClass 4 · LimitedFinal reportCessna U206 · Falun, WIThe pilot experiencing the featureless terrain illusion during the approach which gave the perception that the airplane was at a higher altitude over the glassy water surface than it was, resulting in the airplane impacting the water.NTSB CEN23LA133Accident · No injuriesClass 4 · LimitedFinal reportBeech F33A · Hilbert, WIThe pilot’s inadequate fuel management, which resulted in a total loss of engine power due to fuel starvation.NTSB CEN21LA474Accident · No injuriesClass 4 · LimitedFinal reportNavion Navion H · Burlington, WIThe pilot’s failure to maintain aircraft control during landing with a gusting crosswind that resulted in an aerodynamic stall and a hard impact on the runway.NTSB CEN19LA290Accident · Serious injuriesClass 3 · LimitedFinal reportBeech V35 · Monroe, WIA total loss of engine power due to the failure of the Nos. 5 and 6 connecting rods from a lack of oil lubrication for reasons that could not be determined.NTSB GAA19CA096Accident · No injuriesData collectionFinal reportBeech 36 · Hartford, WIThe pilot's exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall and impact with terrain during landing in icing conditions.NTSB CEN18LA159Accident · No injuriesLimited investigationFinal reportBeech A36 · Shullsburg, WIA catastrophic engine failure due to improper torque on the engine through-bolt nuts, which resulted in relative movement between the crankcase halves, damage to a main journal bearing, and a loss of oil lubrication.NTSB CEN14LA036Accident · Minor injuriesLimited investigationFinal reportCessna 182L · Superior, WIThe failure of the pilot who was flying the trail airplane to maintain separation from the lead airplane. Contributing to the accident was the inadequate pilot training for formation skydiving operations.NTSB CEN13LA330Accident · No injuriesLimited investigationFinal reportCessna TP206B · Sturgeon Bay, WIThe pilot’s improper reselection of the left fuel tank, which had an obstructed vent system and resulted in a total loss of engine power during the approach for landing.NTSB CEN13LA016Accident · Serious injuriesLimited investigationFinal reportBeech A36 · Wausau, WIThe pilot's decision to attempt an instrument approach in meteorological conditions below approach minimums and his failure to properly execute a missed approach.NTSB CEN12LA074Accident · No injuriesLimited investigationFinal reportBeech S35 · Elkhart Lake, WIThe pilot's improper fuel management, which resulted in a total loss of engine power due to fuel starvation.NTSB CEN09CA477Accident · No injuriesData collectionFinal reportCessna A185F · River Falls, WIThe pilot not checking the security of the fuel caps prior to flight leading to fuel exhaustion and the subsequent non-mechanical loss of engine power during descent.NTSB CEN09LA447Accident · No injuriesLimited investigationFinal reportCessna A188B · Suring, WIA loss of engine power resulting from the fatigue failure of the crankshaft due to the loss of engine case through-bolt torque. Contributing to the engine failure was the operator's failure to overhaul the engine in accordance with the manufacturer's…NTSB CHI05FA048Accident · 2 fatalField investigationFinal reportBeech S35 · Herman, WIThe installation of the improper cylinder base packing seals by maintenance personnel resulting in the loss of lubriation and subsequent failure of the number four connecting rod/bearing. A factor associated with the accident was the trees that the airplane…NTSB CHI02TA149Accident · No injuriesFinal reportCessna A185F · Necedah, WIDirectional control of the airplane not maintained by the pilot. The gusting winds was a contributing factor.NTSB CHI02LA124Accident · No injuriesLimited investigationFinal reportCessna 185F · Cumberland, WIthe failure of the pilot to maintain directional control after encountering high winds and gusty winds during taxi from landing.NTSB CHI01LA288Accident · No injuriesLimited investigationFinal reportCessna 188 · Almond, WIthe pilot failed to maintain clearance from the corn crop. Additional factors were the inoperative spray pump, the corn crop, and the pilot's diverted attention.NTSB CHI01FA218Accident · 1 fatalField investigationFinal reportCessna 310R · Oak Creek, WIThe pilot not maintaining clearance from objects during an ILS approach in low night IFR conditions and his descent below decision height. Factors were the dark night, mist, low ceiling, and the trees west of the approach.NTSB CHI98FA349Accident · 3 fatalField investigationFinal reportBeech 58 · Oakdale, WIThe installation of the door seal inflation system by company personnel. An additional cause was the emergency procedures not followed by the pilot-in-command. A contributing factor was the trees.NTSB CHI98FA344Accident · 2 fatalField investigationFinal reportCessna A185F · Phillips, WIThe pilot's failure to maintain adequate altitude/clearance with trees. Contributing factors were fog, rain showers, and the trees.NTSB CHI98LA276Accident · Minor injuriesLimited investigationFinal reportBeech F33A · Delavan, WIthe pilot's failure to maintain aircraft control during the takeoff roll. Factors contributing to this accident were the pilot's inadequate preflight, his operation of an airplane with a known deficiency, low air pressure on both main tires, the snow fence,…NTSB CHI96LA118Accident · No injuriesLimited investigationFinal reportCessna 310R · Marshfield, WIthe failure of the pilot of the PA-32R, N1030Q, to obtain identification of the Cessna 310R, N1835E, visually, and his inadequate visual outlook. A factor was the failure of both pilots to hear communications from each other.NTSB CHI93FA200Accident · 2 fatalField investigationFinal reportBeech A-36 · Tony, WIthe pilot's decision to continue flight into known adverse weather and exceeded the design strees limits of the airplane. Factors associated with the accident were inadequate preflight planning/preparation, clouds, turbulence, icing conditions, and the lack…NTSB CHI93LA077Accident · Minor injuriesLimited investigationFinal reportCessna 310R · Minocqua, WIThe pilot's failure to properly align the aircraft with the landing area.NTSB CHI92FA110Accident · 2 fatalField investigationFinal reportCessna 310R · Superior, WIInadequate airspeed, which resulted in an inadvertent stall/spin, and failure of the instructor pilot to take sufficient remedial action to prevent the loss of control.NTSB CHI90LA116Accident · No injuriesLimited investigationFinal reportBeech E 55 · New Richmond, WIPilot's improper use of the landing gear mechanism during the landing roll, which resulted in the partial collapse of the landing gear.NTSB CHI90LA115Accident · Minor injuriesLimited investigationFinal reportBeech F33A · Milwaukee, WIThe utilization of improper procedures on the part of the pilot in command by attempting to execute a coupled approach outside the parameters of the autopilot.NTSB CHI90LA042Accident · No injuriesLimited investigationFinal reportBeech V35 · Cable, WIThe pilot's failure to adequately compensate for crosswind conditions. Contributing to the accident was the gusty, crosswind conditions which existed.NTSB CHI90LA015Accident · No injuriesLimited investigationFinal reportCessna 207 · Dodgeville, WIPilot's improper planning/decision and his delay in deciding to go around. Factors related to the accident were: the unfavorable wind conditions, the pilot's visual perception on the crowned runway, his misjudgement of speed and remaining distance on the…NTSB CHI89LA075Accident · No injuriesLimited investigationFinal reportBellanca 17-30A · Watertown, WIThe pilot's improper use of brakes and throttle. A contributing factor was the parked aircraft which was nearby.NTSB CHI88LA125Accident · Minor injuriesLimited investigationFinal reportCessna TU206B · Ellsworth, WIDuring cruise flight the pilot experienced an engine failure which he believed to be caused by fuel exhaustion, and executed a forced landing in unsuitable terrain. Post accident inspection revealed that the left fuel tank contained 23 gallons of fuel at the…NTSB CHI87LA214Accident · No injuriesLimited investigationFinal reportBeech E55 · Green Bay, WIThe plt intended to land long on rwy 36L since he parked the acft near the north end of the field. He stated that he flew over the rwy at an alt of aprx 30 ft until near the intx with rwy 6/24, then he retarded the throttles & adjusted the trim for landing.…NTSB CHI87LA014Accident · No injuriesLimited investigationFinal reportBeech V35A · La Pointe, WIThe acft struck a deer during the landing flare. The plt was able to maintain control of the acft and complete the landing even though the acft sustained substantial damage to the right wing and its associated structure.NTSB CHI86LA188Accident · No injuriesLimited investigationFinal reportBellanca 17-30 · Winneconne, WIWhile landing, the plt failed to maintain directional control. Subsequently, the acft went off the right side of the rwyand entered a skid. The left main gear collapsed, then the nose gear collapsed.NTSB CHI86LA084Accident · No injuriesLimited investigationFinal reportCessna 207 · Milwaukee, WIAfter preheating the eng the plt took off and during climb the cabin filled with smoke and the eng stopped. A forced landing was made on a city street during which the left wing contacted a sign pole. Post accident teardown of the eng disclosed that an oil…NTSB CHI85LA307Accident · No injuriesLimited investigationFinal reportBellanca 17-30 · Sheboygan, WIThe acft collided with a ditch during a forced landing following a loss of power in cruise flt. The plt reported he switched the fuel selector from the left to the right tank, & after aprx 3 minutes, a total loss of power was experienced. He stated that…NTSB CHI85LA304Accident · Serious injuriesLimited investigationFinal reportCessna 210H · Burlington, WIPilot estimated 15 gals of fuel at preflt. After 15 min grd delay due to traffic pilot tookoff and climbed to 2,500'MSL. After cruising 22 nmi the engine quit due to fuel exhaustion. During attempt to ld in corn field pilot attempted to stretch his glide and…NTSB CHI85LA090Accident · No injuriesLimited investigationFinal reportBeech 58 · Hayward, WIThe acft sustained subst damage after uncontrolled contact with the rwy during landing. Investigation revealed that the landing was inadvertently attempted at a time when the winds shifted to a direct x-wind with gusts to 35 KTS.NTSB CHI84LA146Accident · Minor injuriesLimited investigationFinal reportBellanca 17-30 · Delavan, WIThe plt reported that when he was descending from 3500 ft MSL to traffic pattern alt (2000 ft MSL), he switched the fuel selector from the left fuel tank to the right tank. Upon entering the traffic pattern, he made his prelanding checks. When he advanced the…NTSB CHI82DA253Accident · No injuriesFinal reportCessna A185F · Lake Delton, WIThe float equipped aircraft was being operated on its first flight of the day. After takeoff, the pilot noted a deterioration of power as he was climbing through about 400 ft AGL. He was unable to restore the power and could not maintain level flight. During…NTSB CHI82DA241Accident · Serious injuriesFinal reportCessna 188B · Stevens Point, WIThe pilot stated that when he was pulling up from a swath run, he noticed a left spray nozzle was leaking. At the same time, he noticed a person on the porch of a house that he was flying over. As he looked to see if the house and person would be avoided, the…NTSB CHI81FER54Accident · No injuriesClosedCessna A185E · Superior, WINTSB CHI80FEP08Accident · No injuriesClosedBellanca 17-30A · Viroqua, WINTSB CHI79DEP12Accident · No injuriesClosedCessna 210 · Land O'Lakes, WINTSB CHI78FA049Accident · 1 fatalClosedBellanca 17-30A · Rhinelander, WINTSB CHI77FEP45Accident · No injuriesClosedBellanca 17-30A · Milwaukee, WINTSB CHI77FEP42Accident · No injuriesClosedCessna 188B · Nekoosa, WINTSB CHI77FEP28Accident · Serious injuriesClosedCessna 210D · Boscobel, WINTSB CHI75FEP64Accident · Minor injuriesClosedBeech A36 · Wausaw, WI