# NTSB investigations: Weatherly 620B, KS

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 CEN12LA514](https://openairdocs.org/ntsb/CEN12LA514.md): Weatherly 620B · Holcomb, KS · Accident · Minor injuries · Limited investigation · Final report · Aug 3, 2012 · N2008S · Substantial damage
  > The pilot's failure to use carburetor heat while operating in conditions conducive to carburetor icing, which resulted in a partial loss of engine power shortly after takeoff.
- [NTSB CHI05LA104](https://openairdocs.org/ntsb/CHI05LA104.md): Weatherly 620B · Downs, KS · Accident · Minor injuries · Limited investigation · Final report · Apr 20, 2005 · N9026F · Substantial damage
  > The loss of engine power due to the failure of the number two cylinder which was the result of the maintenance facility's failure to detect the fatigue crack in the number two cylinder during the engine overhaul. A factor to the accident was the soft field.
- [NTSB CHI99LA297](https://openairdocs.org/ntsb/CHI99LA297.md): Weatherly 201B · Oberlin, KS · Accident · No injuries · Limited investigation · Final report · Aug 8, 1999 · N197SK · Substantial damage
  > Engine failure due to an undertorqued carburetor fulcrum screw. Contributing factors were the muddy terrain and the low altitude of the aerial operation.

## 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."eventStateOrRegion" = 'KS' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('9630605', '9630607'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=9630605&state=KS

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