NTSB investigations: Continental IO-520 series
127 cases on aircraft whose registry engine model is Continental IO-520 series, where the first occurrence was “Airframe/component/system failure/malfunction”. 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, newest first
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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 130))
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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
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 MIA98LA092Accident · No injuriesLimited investigationFinal reportCessna 188B · Houston, MScorrosion and subsequent disconnect of the left aileron control rod end fitting, which resulted in a loss of aileron (roll) control, a forced landing, and subsequent impact with the terrain. A factor related to the accident was: improper lubrication of the…NTSB ANC98LA017Accident · No injuriesLimited investigationFinal reportCessna 185E · Anchorage, AKA separation of the axle from the landing gear strut due to overload, and stripping of the axle bolt threads.NTSB CHI98LA091Accident · No injuriesLimited investigationFinal reportCessna 210G · Springfield, ILThe failure of left main landing gear saddle resulting in the pilot's inability to extend the left gear. A factor was maintenance personnel's failure to comply with the related airworthiness directive.NTSB NYC97FA178Accident · 2 fatalField investigationFinal reportCessna U206B · Gilbertsville, KYThe improper repair of a float by maintenance personnel which resulted in the total failure of the float.NTSB LAX97LA312Accident · No injuriesLimited investigationFinal reportCessna T210J · Avra Valley, AZThe pilot became lost/disoriented during his taxiing into the ramp area. Factors in the accident were the lack of taxiway lights, the pilot's lack of familiarity with the layout of the airport, and the airport operator's failure to either identify the…NTSB SEA97LA129Accident · No injuriesLimited investigationFinal reportCessna 210D · Renton, WALanding gear hydraulic system power pack failure.NTSB ATL97LA059Accident · No injuriesLimited investigationFinal reportCessna 210D · Huntsville, ALcorrosion and subsequent failure of the elevator trim tab, which resulted in vibration and failure of the elevator. Failure of maintenance personnel to comply with a service bulletin was a related factor.NTSB ANC97LA040Accident · No injuriesLimited investigationFinal reportCessna 185 · Chugiak, AKThe pilot's improper installation of the main landing gear wheel penetration skis, which allowed the skis to rotate to a vertical position in flight and subsequently separate during landing.NTSB LAX97LA101Accident · No injuriesLimited investigationFinal reportCessna 210H · Big Bear City, CAa corroded landing gear down limit switch, which resulted in a retracted left main gear during the landing sequence.NTSB FTW96FA373Accident · 1 fatalField investigationFinal reportBeech D55 · Corsicana, TXThe pilot's failure to maintain minimum control airspeed which resulted in the loss of control. Factors were the bent collar of the left main fuel tank refueling neck which resulted in fuel siphoning from the tank in flight, the pilot's failure to follow…NTSB FTW96LA123Accident · No injuriesLimited investigationFinal reportBeech 95-C55 · Dallas, TXfailure of the pilot to use a more favorable runway, and his failure to go-around, when he realized the airplane would not touch down at the proper touchdown point. Factors relating to the accident were: the inoperative flap motor, failure of the pilot to…NTSB FTW96LA106Accident · No injuriesLimited investigationFinal reportBellanca 17-30A · Belen, NMprevious damage, looseness of the main landing gear, and inadequate maintenance.NTSB FTW96LA082Accident · No injuriesLimited investigationFinal reportBellanca 17-30 · Durango, COthe failure of the nose wheel steering mechanism which rendered the aircraft uncontrollable on the ground. A factor was the rough and uneven terrain.NTSB CHI95LA274Accident · Minor injuriesLimited investigationFinal reportCessna 188 · Meade, KSa fatigue failure of the propeller blade, and inadequate maintenance inspection performed by the propeller shop.NTSB SEA95LA178Accident · No injuriesLimited investigationFinal reportCessna 210E · Bullfrog, UTThe right brake locking for undetermined reasons.NTSB NYC95IA020Incident · No injuriesIncident investigationFinal reportCessna 310R · Rochester, NYInadequate maintenance which resulted in undertorqued bolts, fatigue cracking of the hub, and the separation of the propeller assembly from the engine.NTSB ATL94FA028Accident · 1 fatalField investigationFinal reportBellanca 17-30A · Lagrange, GAWas the pilot's failure to correct a known low battery condition before departing, which resulted in a loss of electrical power during an instrument approach. Factors were the dark night and the low scattered cloud layer.NTSB ANC93FA070Accident · No injuriesField investigationFinal reportCessna 320 · Anchorage, AKAn undetermined failure that resulted in an overvoltage condition of the electrical system, overheating of the battery, overdrive (overtorque) of the landing gear extension system, a disconnect of the emergency extension system, and a susbsequent collapse of…NTSB DEN93LA006Accident · No injuriesLimited investigationFinal reportBellanca 17-30A · Grand Junction, COFatigue failure of the nose landing gear upper drag strut bracket due to fatigue cracking.NTSB FTW93LA007Accident · No injuriesLimited investigationFinal reportCessna 210G · Little Rock, ARThe partial failure of the landing gear retraction/extension assembly from restricted hydraulic fluid movement through a partially failed main landing gear uplock release valve.NTSB MIA92LA189Accident · No injuriesLimited investigationFinal reportCessna 210L · Orlando, FLUndetected chaffing and grounding of a wire to the nose landing gear squat switch which resulted in the landing gear being signalled at all times for gear up when electrical power was applied to the system. Contributing to the accident was the overheating of…NTSB MIA92LA188Accident · No injuriesLimited investigationFinal reportCessna 210L · Orlando, FLFailure of the right main landing gear actuator due to overstress for undetermined reasons which resulted in loss of all landing gear system hydraulic fluid which in turn resulted in the pilot being unable to extend and lock the landing gear.NTSB ANC92LA093Accident · No injuriesLimited investigationFinal reportCessna 185F · Talkeetna, AKFailure to maintain directional control. Factors include tailwheel vibration/shimmy, and an inadvertent ground loop.NTSB ATL92LA112Accident · No injuriesLimited investigationFinal reportCessna 210F · Manteo, NCThe pilot's inadequate emergency procedures, in that he failed to note the discharge of electrical power on the ammeter, and his loss of directional control during the off airport landing. Factors were the disabled alternator and a low cloud ceiling.NTSB CHI92LA117Accident · No injuriesLimited investigationFinal reportBeech F33A · Langdon, NDFailure of the pilot to fully extend the landing gear using manual procedures after an electrical system failure. A factor associated with the accident is the pilot misreading a published emergency procedure.NTSB MIA92LA063Accident · No injuriesLimited investigationFinal reportBeech 58 · West Palm Beach, FLPartial failure of the landing gear motor which caused internal damage to the landing gear retract motor and gearbox assy.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 LAX91FA324Accident · 3 fatalField investigationFinal reportBeech 95-C55 · Granada Hills, CAA loss of directional control following an undetermined autopilot failure, during which the pilot failed to perform the emergency procedure to correct a mis-trim condition. Contributing to the accident was a perceived elevator control problem; the inability…NTSB FTW91LA113Accident · No injuriesLimited investigationFinal reportCessna A188B · Lewisville, ARThe failure of the right brake line during a critical phase of operation.NTSB NYC91LA153Accident · No injuriesLimited investigationFinal reportCessna 310R · Westerly, RIImproper installation of the right propeller which resulted in thread failure in the propeller hub and separation of the propeller in flight. A factor related to the accident was the right propeller striking the right main landing gear causing its separation…NTSB NYC91LA062Accident · Minor injuriesLimited investigationFinal reportCessna P206 · Cleveland, OHFatigue failure of the number two propeller blade actuating pin, due to improper installation of the pins and non-compliance with an airworthiness directive (AD 77-13-77).NTSB ATL90LA173Accident · No injuriesLimited investigationFinal reportCessna A188B · Hertsboro, ALFatigue failure of the propeller blade which resulted from improper overhaul procedures, and the absence of oil in the propeller hub which would allow the detection of blade cracks.NTSB ANC90LA136Accident · No injuriesLimited investigationFinal reportCessna 185 · Talkeetna, AKFailure of the right main landing gear spring upon landing.NTSB MIA90IA144Incident · No injuriesIncident investigationFinal reportCessna 210L · Fort Lauderdale, FLIncorrect placement of the retaining ring in the left main landing gear door actuator by the mechanic resulting in the loss of hydraulic fluid. This prevented the gear from extending resulting in the gear up landing.NTSB ANC90LA012Accident · No injuriesLimited investigationFinal reportCessna 207 · Quinhagak, AKFatigue failure of the right rudder bar. A factor related to the accident was: rough/uneven terrain beside the runway.NTSB ATL89LA133Accident · No injuriesLimited investigationFinal reportBeech A36 · Macon, GAThe pilot delayed remedial action when the imminent loss of electrical power was observed. Additionally, the pilot's failure to execute the appropriate emergency procedure and manually lower the landing gear, resulted in its collapse upon landing.…NTSB MIA89IA118Incident · No injuriesIncident investigationFinal reportCessna P206B · West Palm Beach, FLFailure of the throttle control arm resulting in the loss of engine power. The failure was caused by poor maintenance.NTSB DEN89LA095Accident · No injuriesLimited investigationFinal reportBeech F33A · Lamar, COFailure of an alternator bearing which resulted in total loss of electrical power after the battery became discharged, and failure of the pilot to insure the gear was fully extended during a precautionary landing. The pilot's lack of familiarity with the gear…NTSB FTW89LA030Accident · No injuriesLimited investigationFinal reportCessna A185H · San Antonio, TXDuring the landing roll, the left wheel brake cylinder failed and the airplane groundlooped. The plt did not file an accident report.NTSB DEN89IA028Incident · No injuriesIncident investigationFinal reportBeech S-35 · Matheson, COThe private plt and a friend were enroute for a hunting trip. Thirty miles east of a refueling stop, the pilot heard a loud knock. Oil covered the windscreen and the engine seized. The plt looked out the side window vent to select a forced landing area. A…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 ATL88FA032Accident · No injuriesField investigationFinal reportBeech 95C-55 · Atlanta, GAAcft was being positioned to begin cargo revenue flt. As acft turned final and ldg gear handle was put in down position PIC noted dimming of all lights & communications were lost. PIC unaware gear were still retracted until prop tips contacted rwy. During…NTSB ATL88DKG01Accident · No injuriesFinal reportCessna 188 · Samson, ALThe plt said the prop surged during a swath run. While rtning to land the engine quit. The acft landed in a plowed field, resulting in substantial damage to the rt wing and lndg gear. Inspection of the engine by the plt revealed that the oil filter adapter…NTSB NYC87LA254Accident · Minor injuriesLimited investigationFinal reportBeech E55 · Block Island, RIJust before lift-off, after the aircraft had accellerated to about 115 mph, the door on the passenger's side came open. The pilot immediately aborted the takeoff, but was unable to stop on the remaining portion of the 2500' runway. After departing the runway,…NTSB ANC87LA139Accident · No injuriesLimited investigationFinal reportCessna 185F · Wasilla, AKThe pilot stated that after rollout on the grass runway, he lost directional control causing the plane to ground loop. Exmination of the tailwheel revealed that the tire was flat prior to the landing.NTSB MKC87LA158Accident · No injuriesLimited investigationFinal reportBeech 58 · Arkansas City, KSDuring ldg roll, following a personal flight, the acft had a failure of the left main gear tire. The PIC said the acft began violently shaking and wobbling followed by collapse of the left main lndg gear. The acft swerved off the runway and incurred…NTSB ATL87LA157Accident · No injuriesLimited investigationFinal reportBeech A36 · Greenville, SCThe plt made a precautionary ldg after experiencing acft electrical problems and observing the ammeter indicate discharging. The nose and rt main ldg gear collapsed during rollout braking. The plt reported that the gear had extended prior to ldg using the…NTSB DEN87LA062Accident · No injuriesLimited investigationFinal reportBeech 58 · Bismarck, NDThe plt, while at cruise, detected an odor he suspected to be overheated electrical wiring. He diverted to a nearby arpt for a precautionary landing. The plt shutdown all electrical pwr after communication with the twr. Prior to landing, the plt turned on…NTSB CHI87LA020Accident · No injuriesLimited investigationFinal reportCessna 310R · Belvidere, ILDuring takeoff roll, the acft door popped open at a point too late to abort the takeoff. The PIC tried to hold the door closed while the second plt flew the acft around the traffic pattern. Just prior to touchdown, the door opened wider and the PIC reached to…NTSB NYC87LA026Accident · No injuriesLimited investigationFinal reportCessna U206F · Marshfiled, MAElectrical failure occurred in flight due to an alternator belt failure. The acft landed in the grass beside the rwy and was damaged. The landing was difficult due to darkness, fog and no lights. The plt tried to use flaps but failed due to no elec power. The…