# NTSB investigations: Cessna T210L: 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 WPR23LA012](https://openairdocs.org/ntsb/WPR23LA012.md): Cessna T210L · Marana, AZ · Accident · No injuries · Class 3 · Limited · Final report · Oct 10, 2022 · N2425S · Substantial damage
  > A failure of a retaining ring in the airplane’s left main landing gear door actuator and the subsequent complete loss of hydraulic fluid, which resulted in a gear-up landing.
- [NTSB WPR18LA057](https://openairdocs.org/ntsb/WPR18LA057.md): Cessna T210L · Aurora, OR · Accident · No injuries · Limited investigation · Final report · Jan 2, 2018 · N2122S · Substantial damage
  > A collapse of the right main landing gear during the landing roll because the gear would not lock into place. Contributing to the accident was the pilot's failure to perform the alternate landing gear extension procedure before landing.
- [NTSB CEN17LA022](https://openairdocs.org/ntsb/CEN17LA022.md): Cessna T210L · Pflugerville, TX · Accident · No injuries · Limited investigation · Final report · Oct 18, 2016 · N210LC · Substantial damage
  > Landing gear collapse upon landing due to a hydraulic leak that led to insufficient pressure to fully extend and lock the gear in a down position.
- [NTSB ERA12LA299](https://openairdocs.org/ntsb/ERA12LA299.md): Cessna 210 · Gatlinburg, TN · Accident · No injuries · Limited investigation · Final report · Apr 19, 2012 · N96050 · Substantial damage
  > Failure of the nose landing gear down pressure hose, which resulted in the main landing gear being unable to lock and collapse of the main landing gear during the landing roll.
- [NTSB CEN11LA494](https://openairdocs.org/ntsb/CEN11LA494.md): Cessna T210L · Columbia, MO · Accident · No injuries · Limited investigation · Final report · Jul 20, 2011 · N2056S · Substantial damage
  > The collapse of the right main landing gear during landing due to a lack of component lubrication, which resulted in the failure of the landing gear to lock once extended.
- [NTSB CEN09LA417](https://openairdocs.org/ntsb/CEN09LA417.md): Cessna T210L · Santa Teresa, NM · Accident · No injuries · Limited investigation · Final report · Jul 1, 2009 · N2118S · Substantial damage
  > The failure of the landing gear accumulator seal for undetermined reasons. Contributing to the accident was the pilot’s failure to confirm the status 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.aircraft_model_code IN ('2073449')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '094' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/094/sequence?model=2073449

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