# NTSB investigations: Cessna 210: 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 CEN23LA124](https://openairdocs.org/ntsb/CEN23LA124.md): Cessna 210 · Waco, TX · Accident · No injuries · Class 3 · Limited · Final report · Nov 27, 2022 · N9468T · Substantial damage
  > The nose landing gear retract arm separation for reasons that could not be determined.
- [NTSB WPR20LA288](https://openairdocs.org/ntsb/WPR20LA288.md): Cessna 210 · Chino, CA · Accident · No injuries · Class 3 · Limited · Final report · Aug 26, 2020 · N9540T · Substantial damage
  > The failure of the engine-driven hydraulic pump, which resulted in the main landing gear not fully extending and locking into place during landing. Contributing to the accident was the failure of the emergency gear extension system for reasons that could not…
- [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 WPR14LA059](https://openairdocs.org/ntsb/WPR14LA059.md): Cessna 210 · Florence, OR · Accident · No injuries · Limited investigation · Final report · Nov 29, 2013 · N6575X · Substantial damage
  > The failure of the hydraulic power pack, which prevented the extension of the landing gear and resulted in a partial gear-up landing.
- [NTSB ERA10LA005](https://openairdocs.org/ntsb/ERA10LA005.md): Cessna 210 · Louisville, KY · Accident · No injuries · Limited investigation · Final report · Oct 4, 2009 · N9443T · Substantial damage
  > A malfunction of the landing gear extension system due to a fractured hydraulic line. Contributing to the accident was the inadequate inspection and maintenance of the hydraulic line.
- [NTSB DEN08LA153](https://openairdocs.org/ntsb/DEN08LA153.md): Cessna 210 · Pagosa Springs, CO · Accident · No injuries · Limited investigation · Final report · Sep 7, 2008 · N6515X · Substantial damage
  > The failure of the landing gear to extend for undetermined reasons.

## 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 ('2073402')
    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=2073402

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