NTSB investigations: Continental I0-470 series

25 cases on aircraft whose registry engine model is Continental I0-470 series, where the defining event was Landing gear collapse. 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

20082026
NTSB investigations: Continental I0-470 series per year, 2008–2026: 25 cases
20082
20092
20112
20121
20131
20142
20155
20161
20172
20181
20213
20221
20231
20251

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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17027')
      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\" = '094'))
  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.

NTSB WPR25LA193Accident · No injuriesClass 4 · LimitedFinal reportCessna 182F · Nephi, UTA failure of the nose wheel steering shaft and subsequent rotation of the nosewheel which resulted in the collapse of the nose landing gear during landing.Jun 29, 2025 · N3608U · Substantial damageNTSB WPR23LA226Accident · No injuriesClass 3 · LimitedFinal reportCessna 310I · Sunnyside, WAThe failure of the side brace lock assembly of the right main landing gear due to overstress as a result of a hard landing.May 25, 2023 · N6PK · Substantial damageNTSB CEN22LA259Accident · No injuriesClass 4 · LimitedFinal reportBeech 35 · Mesquite, TXA collapse of the airplane’s landing gear during the landing roll for reasons that could not be determined based on the available information.Jun 5, 2022 · N9475Y · Substantial damageNTSB ERA21LA312Accident · No injuriesClass 4 · LimitedFinal reportBeech K35 · Readington, NJThe failure of the forward end of the landing gear actuator rod.Jul 30, 2021 · N44DB · Substantial damageNTSB WPR21LA261Accident · No injuriesClass 4 · LimitedFinal reportBeech 95-A55 · North Las Vegas, NVThe pilot’s inability to maintain directional control during landing roll due to a flat tire.Jun 29, 2021 · N764SU · Substantial damageNTSB ERA21LA235Accident · No injuriesClass 4 · LimitedFinal reportMeyers Industries 200A · Marathon, FLThe failure of the right main landing gear to fully extend during landing as a result of the underinflated right main landing gear oleo strut.May 26, 2021 · N489C · Substantial damageNTSB ANC18LA019Accident · No injuriesClass 3 · LimitedFinal reportCessna 210 · Juneau, AKA loss of hydraulic fluid due to a fatigue failure of the right main landing gear hydraulic actuator, which resulted in the pilot's inability to fully extend the landing gear and a main landing gear collapse during the landing roll.Jan 14, 2018 · N3607Y · Substantial damageNTSB WPR17LA210Accident · No injuriesLimited investigationFinal reportCessna 210 · Sacramento, CAPartial retraction of the main landing gear during the landing roll for reasons that could not be determined because postaccident examination and functional testing of the gear revealed no anomalies.Sep 20, 2017 · N7330E · Substantial damageNTSB CEN17LA340Accident · No injuriesLimited investigationFinal reportCessna 310G · Broomfield, COA collapse of the right main landing gear due to a bent pushrod, which precluded the gear from fully extending. The reason for the bent pushrod could not be determined based on the available information.Sep 1, 2017 · N8957Z · Substantial damageNTSB ERA16LA271Accident · No injuriesLimited investigationFinal reportCessna 310L · Linden, NJThe overtravel of the main landing gear (MLG) actuator, which resulted in the MLG partially collapsing upon landing. The reasons for the overtravel of the MLG actuator could not be determined due to the unavailability of the wreckage.Jul 23, 2016 · N3261X · Substantial damageNTSB ERA16LA073Accident · No injuriesLimited investigationFinal reportCessna 310 · Kennesaw, GAInadequate inspection and rigging of the landing gear system, which resulted in the subsequent failure and collapse of the left main landing gear during landing.Dec 13, 2015 · N7675Q · Substantial damageNTSB ANC15LA048Accident · No injuriesLimited investigationFinal reportCessna 210 · Juneau, AKA loss of hydraulic fluid due to a fractured left main landing gear hydraulic actuator as a result of a fatigue crack, which led to the landing gear collapsing upon touchdown.Jul 12, 2015 · N3607Y · Substantial damageNTSB ERA15LA249Accident · No injuriesLimited investigationFinal reportBeech B 55 · Clearwater, FLThe pilot's delayed completion of the before landing checklist, including the extension of the landing gear, during an approaching thunderstorm, which resulted in a landing with the landing gear in transit and the subsequent collapse of the landing gear.Jun 19, 2015 · N216RW · Substantial damageNTSB WPR15LA129Accident · No injuriesLimited investigationFinal reportCessna 310Q · St. George, UTFailure of the left main landing gear lower adjusting bolt due to overstress, which resulted in the left main landing gear collapse during landing.Mar 21, 2015 · N7770Q · Substantial damageNTSB CEN15LA116Accident · No injuriesLimited investigationFinal reportCessna 210 · Sullivan, MOThe loss of hydraulic fluid and subsequent pressure due to cracks in the right main landing gear (MLG) actuator, which resulted in the collapse of the MLG during landing.Jan 8, 2015 · N9565X · Substantial damageNTSB CEN15LA089Accident · No injuriesLimited investigationFinal reportCessna 310J · San Antonio, TXThe retraction of the left main landing gear after landing for reasons that could not be determined during postaccident examinations.Dec 18, 2014 · N700MA · Substantial damageNTSB CEN14CA352Accident · No injuriesData collectionFinal reportBeech 35 33 · Mt. Vernon, ILThe pilot's failure to ensure the landing gear was extended into the fully locked position.Jul 5, 2014 · N891R · Substantial damageNTSB ERA14CA028Accident · No injuriesData collectionFinal reportBeech 95 B55 (T42A) · Newnan, GAThe flight instructor's inadvertent movement of the landing gear switch, which resulted in a landing gear collapse and substantial damage to the fuselage.Oct 25, 2013 · N711H · Substantial damageNTSB ERA13LA005Accident · No injuriesLimited investigationFinal reportCessna 310I · Burlington, VTThe collapse of the left main landing gear due to a failure of the left main gear bellcrank pin for reasons that could not be determined because the pieces of the fractured bellcrank pin were not located.Oct 2, 2012 · N8025M · Substantial damageNTSB WPR12LA047Accident · No injuriesLimited investigationFinal reportCessna 310I · Sedona, AZThe collapse of the right main landing gear after landing for a reason that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation, and postaccident testing could not be performed due…Nov 25, 2011 · N8059M · Substantial damageNTSB ERA11LA221Accident · No injuriesLimited investigationFinal reportCessna 310F · Sanford, FLThe failure of the nose landing gear due to inadequate servicing of the nose gear strut reservoir.Apr 1, 2011 · N6781X · Substantial damageNTSB CEN09CA457Accident · No injuriesData collectionFinal reportCessna 310 · Fort Worth, TXThe failure of the pivot pin in the side brace of the right main landing gear resulting in the gear collapse during taxi for undetermined reasons.Jul 10, 2009 · N3106L · Substantial damageNTSB ERA09LA210Accident · No injuriesLimited investigationFinal reportCessna 310K · Ocala, FLThe right main landing gear collapse as a result of the pilot's improper flare during a previous landing. Contributing to the accident was the flight instructor's inadequate supervision.Mar 18, 2009 · N6901L · Substantial damageNTSB LAX08LA304Accident · No injuriesLimited investigationFinal reportBeech N35 · The Dalles, ORA collapse of the right main landing gear for undetermined reasons.Jul 10, 2008 · N931B · Substantial damageNTSB DFW08CA099Accident · No injuriesData collectionFinal reportCessna 310Q · Roswell, NMThe airframe and powerplant mechanic's incorrect reassembly of the landing gear.Apr 11, 2008 · N7935Q · Substantial damage