# NTSB investigations: Continental I0-470 series: Landing gear collapse

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB WPR25LA193](https://openairdocs.org/ntsb/WPR25LA193.md): Cessna 182F · Nephi, UT · Accident · No injuries · Class 4 · Limited · Final report · Jun 29, 2025 · N3608U · Substantial damage
  > A 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.
- [NTSB WPR23LA226](https://openairdocs.org/ntsb/WPR23LA226.md): Cessna 310I · Sunnyside, WA · Accident · No injuries · Class 3 · Limited · Final report · May 25, 2023 · N6PK · Substantial damage
  > The failure of the side brace lock assembly of the right main landing gear due to overstress as a result of a hard landing.
- [NTSB CEN22LA259](https://openairdocs.org/ntsb/CEN22LA259.md): Beech 35 · Mesquite, TX · Accident · No injuries · Class 4 · Limited · Final report · Jun 5, 2022 · N9475Y · Substantial damage
  > A collapse of the airplane’s landing gear during the landing roll for reasons that could not be determined based on the available information.
- [NTSB ERA21LA312](https://openairdocs.org/ntsb/ERA21LA312.md): Beech K35 · Readington, NJ · Accident · No injuries · Class 4 · Limited · Final report · Jul 30, 2021 · N44DB · Substantial damage
  > The failure of the forward end of the landing gear actuator rod.
- [NTSB WPR21LA261](https://openairdocs.org/ntsb/WPR21LA261.md): Beech 95-A55 · North Las Vegas, NV · Accident · No injuries · Class 4 · Limited · Final report · Jun 29, 2021 · N764SU · Substantial damage
  > The pilot’s inability to maintain directional control during landing roll due to a flat tire.
- [NTSB ERA21LA235](https://openairdocs.org/ntsb/ERA21LA235.md): Meyers Industries 200A · Marathon, FL · Accident · No injuries · Class 4 · Limited · Final report · May 26, 2021 · N489C · Substantial damage
  > The failure of the right main landing gear to fully extend during landing as a result of the underinflated right main landing gear oleo strut.
- [NTSB ANC18LA019](https://openairdocs.org/ntsb/ANC18LA019.md): Cessna 210 · Juneau, AK · Accident · No injuries · Class 3 · Limited · Final report · Jan 14, 2018 · N3607Y · Substantial damage
  > A 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.
- [NTSB WPR17LA210](https://openairdocs.org/ntsb/WPR17LA210.md): Cessna 210 · Sacramento, CA · Accident · No injuries · Limited investigation · Final report · Sep 20, 2017 · N7330E · Substantial damage
  > Partial 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.
- [NTSB CEN17LA340](https://openairdocs.org/ntsb/CEN17LA340.md): Cessna 310G · Broomfield, CO · Accident · No injuries · Limited investigation · Final report · Sep 1, 2017 · N8957Z · Substantial damage
  > A 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.
- [NTSB ERA16LA271](https://openairdocs.org/ntsb/ERA16LA271.md): Cessna 310L · Linden, NJ · Accident · No injuries · Limited investigation · Final report · Jul 23, 2016 · N3261X · Substantial damage
  > The 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.
- [NTSB ERA16LA073](https://openairdocs.org/ntsb/ERA16LA073.md): Cessna 310 · Kennesaw, GA · Accident · No injuries · Limited investigation · Final report · Dec 13, 2015 · N7675Q · Substantial damage
  > Inadequate inspection and rigging of the landing gear system, which resulted in the subsequent failure and collapse of the left main landing gear during landing.
- [NTSB ANC15LA048](https://openairdocs.org/ntsb/ANC15LA048.md): Cessna 210 · Juneau, AK · Accident · No injuries · Limited investigation · Final report · Jul 12, 2015 · N3607Y · Substantial damage
  > A 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.
- [NTSB ERA15LA249](https://openairdocs.org/ntsb/ERA15LA249.md): Beech B 55 · Clearwater, FL · Accident · No injuries · Limited investigation · Final report · Jun 19, 2015 · N216RW · Substantial damage
  > The 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.
- [NTSB WPR15LA129](https://openairdocs.org/ntsb/WPR15LA129.md): Cessna 310Q · St. George, UT · Accident · No injuries · Limited investigation · Final report · Mar 21, 2015 · N7770Q · Substantial damage
  > Failure of the left main landing gear lower adjusting bolt due to overstress, which resulted in the left main landing gear collapse during landing.
- [NTSB CEN15LA116](https://openairdocs.org/ntsb/CEN15LA116.md): Cessna 210 · Sullivan, MO · Accident · No injuries · Limited investigation · Final report · Jan 8, 2015 · N9565X · Substantial damage
  > The 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.
- [NTSB CEN15LA089](https://openairdocs.org/ntsb/CEN15LA089.md): Cessna 310J · San Antonio, TX · Accident · No injuries · Limited investigation · Final report · Dec 18, 2014 · N700MA · Substantial damage
  > The retraction of the left main landing gear after landing for reasons that could not be determined during postaccident examinations.
- [NTSB CEN14CA352](https://openairdocs.org/ntsb/CEN14CA352.md): Beech 35 33 · Mt. Vernon, IL · Accident · No injuries · Data collection · Final report · Jul 5, 2014 · N891R · Substantial damage
  > The pilot's failure to ensure the landing gear was extended into the fully locked position.
- [NTSB ERA14CA028](https://openairdocs.org/ntsb/ERA14CA028.md): Beech 95 B55 (T42A) · Newnan, GA · Accident · No injuries · Data collection · Final report · Oct 25, 2013 · N711H · Substantial damage
  > The flight instructor's inadvertent movement of the landing gear switch, which resulted in a landing gear collapse and substantial damage to the fuselage.
- [NTSB ERA13LA005](https://openairdocs.org/ntsb/ERA13LA005.md): Cessna 310I · Burlington, VT · Accident · No injuries · Limited investigation · Final report · Oct 2, 2012 · N8025M · Substantial damage
  > The 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.
- [NTSB WPR12LA047](https://openairdocs.org/ntsb/WPR12LA047.md): Cessna 310I · Sedona, AZ · Accident · No injuries · Limited investigation · Final report · Nov 25, 2011 · N8059M · Substantial damage
  > The 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…
- [NTSB ERA11LA221](https://openairdocs.org/ntsb/ERA11LA221.md): Cessna 310F · Sanford, FL · Accident · No injuries · Limited investigation · Final report · Apr 1, 2011 · N6781X · Substantial damage
  > The failure of the nose landing gear due to inadequate servicing of the nose gear strut reservoir.
- [NTSB CEN09CA457](https://openairdocs.org/ntsb/CEN09CA457.md): Cessna 310 · Fort Worth, TX · Accident · No injuries · Data collection · Final report · Jul 10, 2009 · N3106L · Substantial damage
  > The 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.
- [NTSB ERA09LA210](https://openairdocs.org/ntsb/ERA09LA210.md): Cessna 310K · Ocala, FL · Accident · No injuries · Limited investigation · Final report · Mar 18, 2009 · N6901L · Substantial damage
  > The 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.
- [NTSB LAX08LA304](https://openairdocs.org/ntsb/LAX08LA304.md): Beech N35 · The Dalles, OR · Accident · No injuries · Limited investigation · Final report · Jul 10, 2008 · N931B · Substantial damage
  > A collapse of the right main landing gear for undetermined reasons.
- [NTSB DFW08CA099](https://openairdocs.org/ntsb/DFW08CA099.md): Cessna 310Q · Roswell, NM · Accident · No injuries · Data collection · Final report · Apr 11, 2008 · N7935Q · Substantial damage
  > The airframe and powerplant mechanic's incorrect reassembly of the landing gear.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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
```

This list as a web page: https://openairdocs.org/ntsb-events/094/cases?engine=17027

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
