# NTSB investigations: Cessna 421B: 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 ERA26LA360](https://openairdocs.org/ntsb/ERA26LA360.md): Cessna 421B · Nashville, TN · Accident · No injuries · Class 4 · Limited · Investigation open · Sep 25, 2026 · N421FA · Substantial damage
- [NTSB WPR26LA145](https://openairdocs.org/ntsb/WPR26LA145.md): Cessna 421B · Sedona, AZ · Accident · No injuries · Class 3 · Limited · Preliminary report · Mar 27, 2026 · N799TF · Substantial damage
  > On March 27, 2026, about 1630 Pacific daylight time, a Cessna 421B, N799TF, was substantially damaged when it was involved in an accident near Sedona, Arizona. The pilot and pilot rated passenger were not injured. The airplane was operated as a Code of…
- [NTSB GAA18CA390](https://openairdocs.org/ntsb/GAA18CA390.md): Cessna 421 · Clifton, TX · Accident · No injuries · Data collection · Final report · Jul 1, 2018 · N7625Q · Substantial damage
  > The pilot's improper landing flare in crosswind conditions, which resulted in a hard landing.
- [NTSB WPR17LA131](https://openairdocs.org/ntsb/WPR17LA131.md): Cessna 421B · Carlsbad, CA · Accident · No injuries · Class 3 · Limited · Final report · Jun 22, 2017 · N380AL · Substantial damage
  > The right main landing gear collapse for undetermined reasons.
- [NTSB GAA16CA042](https://openairdocs.org/ntsb/GAA16CA042.md): Cessna 421 · Amarillo, TX · Accident · No injuries · Data collection · Final report · Oct 14, 2015 · N19CH · Substantial damage
  > The loss of directional control during taxi to the runway as a result of insufficient brake fluid level in the right brake master cylinder, resulting in a taxiway excursion and collision with a drainage culvert.
- [NTSB ERA14LA170](https://openairdocs.org/ntsb/ERA14LA170.md): Cessna 421 · Charleston, SC · Accident · No injuries · Limited investigation · Final report · Mar 20, 2014 · N5929M · Substantial damage
  > Inadequate maintenance, which resulted in the collapse of the right main landing gear during landing.
- [NTSB CEN10CA301](https://openairdocs.org/ntsb/CEN10CA301.md): Cessna 421B · Anderson, IN · Accident · No injuries · Data collection · Final report · Jun 4, 2010 · N421KB · Substantial damage
  > The pilot’s failure to establish proper rotation and liftoff speed during the takeoff roll.

## 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 ('2076014')
    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=2076014

---
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.