# NTSB investigations, IA: VFR encounter with IMC

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 CEN14LA424](https://openairdocs.org/ntsb/CEN14LA424.md): Barger Steve M RV-7A · Russell, IA · Accident · 2 fatal · Limited investigation · Final report · Aug 9, 2014 · N92BF · Destroyed
  > The noninstrument-rated pilot’s inadvertent entry into instrument meteorological conditions, which resulted in his spatial disorientation and the subsequent loss of airplane control.
- [NTSB CEN13FA082](https://openairdocs.org/ntsb/CEN13FA082.md): Beech P35 · Correctionville, IA · Accident · 2 fatal · Field investigation · Final report · Dec 2, 2012 · N1566Z · Substantial damage
  > The pilot’s failure to perform a go-around after encountering thick fog at night.
- [NTSB CEN11LA066](https://openairdocs.org/ntsb/CEN11LA066.md): Gearn Geary D Swearingen SX300 · Milford, IA · Accident · 1 fatal · Limited investigation · Final report · Nov 10, 2010 · N3ZX · Substantial damage
  > A loss of control for undetermined reasons.
- [NTSB CEN10CA100](https://openairdocs.org/ntsb/CEN10CA100.md): Cessna P172D · Cedar Rapids, IA · Accident · Minor injuries · Data collection · Final report · Jan 18, 2010 · N8584X · Substantial damage
  > The pilot's continued visual flight into instrument meteorological conditions and his failure to maintain a proper glidepath during the approach. Contributing to the accident was the pilot's lack of instrument proficiency.

## 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" = 'IA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '401' 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/401/sequence?state=IA

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.