# NTSB investigations: Cessna 421B: In flight encounter with weather

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 MIA07FA029](https://openairdocs.org/ntsb/MIA07FA029.md): Cessna 421B · Greenhead, FL · Accident · 5 fatal · Field investigation · Final report · Dec 22, 2006 · N70BC · Destroyed
  > The pilot-in-command's improper planning/decision and continued flight into known adverse weather which resulted in an encounter with a level 5 thunderstorm.
- [NTSB NYC04LA067](https://openairdocs.org/ntsb/NYC04LA067.md): Cessna 421 · Ravenna, OH · Accident · No injuries · Limited investigation · Final report · Jan 14, 2004 · N300FB · Substantial damage
  > The pilot's failure to maintain airspeed, which resulted in an inadvertent stall and subsequent hard landing. A factor in the accident was degraded aircraft performance due to the airframe ice accumulation.
- [NTSB LAX04FA031](https://openairdocs.org/ntsb/LAX04FA031.md): Cessna 421B · Kelso, CA · Accident · 5 fatal · Field investigation · Final report · Oct 29, 2003 · N444AM · Destroyed
  > The pilot's continued VFR flight into instrument conditions between cloud layers and with reduced visibility due to smoke that resulted in an in-flight loss of control from spatial disorientation, and the structural overload of the airframe during the…
- [NTSB SEA97LA030](https://openairdocs.org/ntsb/SEA97LA030.md): Cessna 421B · Olympia, WA · Accident · No injuries · Limited investigation · Final report · Nov 19, 1996 · N8005Q · Substantial damage
  > inoperative deicing equipment, due to multiple wing boot holes and malfunctioning control/shuttle valves; subsequent build-up of airframe (wing) ice; and failure of the pilot to maintain adequate airspeed during the flare for landing. Factors relating to the…
- [NTSB FTW96LA366](https://openairdocs.org/ntsb/FTW96LA366.md): Cessna 421B · Conchas, NM · Accident · Serious injuries · Limited investigation · Final report · Aug 31, 1996 · N55HU · Destroyed
  > The pilot's inadvertent flight into hail which shattered the pilot's windshield and resulted in his incapacitation due to hypoxia.
- [NTSB CHI95FA328](https://openairdocs.org/ntsb/CHI95FA328.md): Cessna 421B · Coldwater, MI · Accident · 1 fatal · Field investigation · Final report · Sep 21, 1995 · N14A · Destroyed
  > failure of the pilot to maintain adequate airspeed, while maneuvering (turning) at low altitude, which resulted in an inadvertent stall and collision with the terrain. Factors relating to the accident were: the adverse weather conditions, and the lack of…
- [NTSB ATL88FA191](https://openairdocs.org/ntsb/ATL88FA191.md): Cessna 421B · Knoxville, TN · Accident · 1 fatal · Field investigation · Final report · Jun 9, 1988 · N700SC · Destroyed

## 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" = 240))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=2076014&occurrence=240

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