# NTSB investigations: Cessna 421B: Runway excursion

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 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 ERA21LA152](https://openairdocs.org/ntsb/ERA21LA152.md): Cessna 421 · Franklin, NC · Accident · No injuries · Class 3 · Limited · Final report · Mar 12, 2021 · N80056 · Substantial damage
  > The reason for this accident could not be determined based on the available information.
- [NTSB GAA19CA143](https://openairdocs.org/ntsb/GAA19CA143.md): Cessna 421 · Woodruff, WI · Accident · No injuries · Data collection · Final report · Feb 10, 2019 · N581CJ · Substantial damage
  > The pilot's failure to maintain to directional control during takeoff from a snow-covered runway with a right, quartering tailwind, which resulted in a runway excursion and impact with a snowbank.
- [NTSB CEN15LA418](https://openairdocs.org/ntsb/CEN15LA418.md): Cessna 421B · Platteville, WI · Accident · Minor injuries · Limited investigation · Final report · Sep 21, 2015 · N813CA · Substantial damage
  > The partial loss of right engine power for undetermined reasons with insufficient runway remaining for the aborted takeoff.
- [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.
- [NTSB ANC08CA069](https://openairdocs.org/ntsb/ANC08CA069.md): Cessna 421 · Caldwell, NJ · Accident · No injuries · Data collection · Final report · May 17, 2008 · N777FF · Substantial damage
  > The pilot's failure to maintain directional control while landing. Factors in the accident were a hydroplaning condition, and a wet runway.

## 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" = '300' 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/300/sequence?model=2076014

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