# NTSB investigations: Cessna 170B: 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 CEN25LA210](https://openairdocs.org/ntsb/CEN25LA210.md): Cessna 170B · Fort Morgan, CO · Accident · No injuries · Class 4 · Limited · Final report · Jun 15, 2025 · N1996C · Substantial damage
  > The pilot’s failure to maintain directional control of the tailwheel-equipped airplane during a gusty crosswind landing.
- [NTSB GAA17CA499](https://openairdocs.org/ntsb/GAA17CA499.md): Cessna 170 · Rochelle, IL · Accident · No injuries · Data collection · Final report · Aug 21, 2017 · N2486D · Substantial damage
  > The pilot’s failure to maintain directional control during landing with a tailwind.
- [NTSB GAA17CA399](https://openairdocs.org/ntsb/GAA17CA399.md): Cessna 170B · Pine Bluff, AR · Accident · No injuries · Data collection · Final report · Jul 7, 2017 · N2811C · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB GAA16CA492](https://openairdocs.org/ntsb/GAA16CA492.md): Cessna 170 · Sidney, MT · Accident · No injuries · Data collection · Final report · Sep 10, 2016 · N8335A · Substantial damage
  > The student pilot’s improper landing flare, which resulted in a bounced landing, and the flight instructor’s inability to recover the airplane, which resulted in a runway excursion.
- [NTSB WPR14LA134](https://openairdocs.org/ntsb/WPR14LA134.md): Cessna 170B · San Luis Obispo, CA · Accident · No injuries · Limited investigation · Final report · Mar 7, 2014 · N2252D · Substantial damage
  > Corrosion of the bulkhead assembly in the left main landing gearbox area, which resulted in the structural failure of the bulkhead and the subsequent landing gear collapse.
- [NTSB ANC10LA026](https://openairdocs.org/ntsb/ANC10LA026.md): Cessna 170B · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Mar 17, 2010 · N3492C · Substantial damage
  > The structural failure of the right main landing gear leg, resulting in the collapse of the landing gear.
- [NTSB CEN10CA024](https://openairdocs.org/ntsb/CEN10CA024.md): Cessna 170B · London, OH · Accident · No injuries · Data collection · Final report · Oct 19, 2009 · N2719D · Substantial damage
  > The pilot's failure to maintain directional control during the takeoff roll.
- [NTSB CEN09CA585](https://openairdocs.org/ntsb/CEN09CA585.md): Cessna 170B · Dalhart, TX · Accident · Minor injuries · Data collection · Final report · Sep 11, 2009 · N2929N · Substantial damage
  > The pilot’s decision to land with a tailwind resulting in a loss of directional control.
- [NTSB ANC09CA039](https://openairdocs.org/ntsb/ANC09CA039.md): Cessna 170B · Kenai, AK · Accident · No injuries · Data collection · Final report · May 12, 2009 · N3469C · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground-loop. A factor contributing to the accident was the pilot's diverted attention during the landing.

## 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 ('2072306', '2072307')
    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=2072306

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