# NTSB investigations: Cessna 421B, 1993

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 CHI94MA032](https://openairdocs.org/ntsb/CHI94MA032.md): Cessna 421B · Greensburg, IN · Accident · 5 fatal · Major investigation · Final report · Nov 6, 1993 · N41010 · Destroyed
  > an inadvertent stall by the pilot in command. Factors associated with the accident are the icing conditions and low ceilings.
- [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 ATL93LA108](https://openairdocs.org/ntsb/ATL93LA108.md): Cessna 421B · Attalla, AL · Accident · No injuries · Limited investigation · Final report · Jun 10, 1993 · N699DT · Destroyed
  > The failure of the left engine turbocharger due to rotor shaft seizure, which resulted in a loss of engine power.
- [NTSB CHI93FA149](https://openairdocs.org/ntsb/CHI93FA149.md): Cessna 421B · Valley Park, MO · Accident · 2 fatal · Field investigation · Final report · Apr 29, 1993 · N4939M · Destroyed
  > Improper planning/decision by the pilot, which resulted in fuel exhaustion, due to an inadequate supply of fuel, and the pilot's failure to maintain control of the airplane during approach to an emergency landing. A related factor was: failure of the pilot to…
- [NTSB ATL93LA081](https://openairdocs.org/ntsb/ATL93LA081.md): Cessna 421B · Fort Payne, AL · Accident · No injuries · Limited investigation · Final report · Apr 15, 1993 · N14A · Substantial damage
  > The pilot's failure to compensate for winds during the initial takeoff that resulted in the airplane colliding with the runway, exceeding the design limits of the aircraft and upon landing at the destination airport, the collapse of the main landing gear.

## 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 year(c."eventDate") = 1993
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('2076014'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2076014&year=1993

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