# NTSB investigations: Cessna 421B: Loss of control - on ground/water

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 SEA04LA108](https://openairdocs.org/ntsb/SEA04LA108.md): Cessna 421B · Bend, OR · Accident · No injuries · Limited investigation · Final report · Jun 16, 2004 · N332CC · Substantial damage
  > On ground encounter with terrain during the takeoff roll as a result of the left side brake not operating. Inadequate maintenance inspection, overload of the nose landing gear and soft terrain were factors.
- [NTSB FTW93LA254](https://openairdocs.org/ntsb/FTW93LA254.md): Cessna 421B · Oak Grove, LA · Accident · Serious injuries · Limited investigation · Final report · Sep 6, 1993 · N747BW · Substantial damage
  > Directional control not maintained by the pilot for undetermined reasons. Factors were a fence and trees.
- [NTSB MIA90LA186](https://openairdocs.org/ntsb/MIA90LA186.md): Cessna 421B · Pompano Beach, FL · Accident · No injuries · Limited investigation · Final report · Sep 22, 1990 · N41JT · Substantial damage
  > The failure of the pilot to initiate a go-around due to being high on final approach and as a result, failure to attain the correct point of touchdown and his excessive application of brakes which resulted in failure of the right main tire and loss of…
- [NTSB FTW84FA296](https://openairdocs.org/ntsb/FTW84FA296.md): Cessna 421B · El Paso, TX · Accident · No injuries · Field investigation · Final report · Jun 30, 1984 · N554 · Substantial damage
  > First evidence of landing gear tire marks were found aprx 4,000 ft down the rwy, right of centerline and continued until the acft rolled off the right side of the rwy. All 3 landing gear collapsed in the soft dirt and gravel. According to the plt, when the…
- [NTSB CHI84LA064](https://openairdocs.org/ntsb/CHI84LA064.md): Cessna 421 · Harbor Springs, MI · Accident · No injuries · Limited investigation · Final report · Dec 17, 1983 · N7557Q · Substantial damage
  > The plt stated that an overboost occurred on the right eng during the takeoff roll. He pulled off power on both engs but the acft slid off the rwy into a snowbank.
- [NTSB DEN82DA030](https://openairdocs.org/ntsb/DEN82DA030.md): Cessna 421B · Spanish Fork, UT · Accident · No injuries · Final report · Feb 10, 1982 · N5439J · Substantial damage
  > The aircraft tookoff from an airport with slush on the runway, about 10 minutes later, the pilot landed at another airport. The runway at the destination airport was covered with dry snow. During touchdown, the aircraft veered left and hit a snowbank beside…

## 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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2076014&occurrence=260

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