# NTSB investigations: Continental IO-520-F, 1999

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 ANC00LA015](https://openairdocs.org/ntsb/ANC00LA015.md): Cessna 207A · Dillingham, AK · Accident · Minor injuries · Limited investigation · Final report · Nov 16, 1999 · N9933M · Substantial damage
  > Failure of the pilot to remove frost from the wings prior to flight, and the resulting inadvertent stall/mush.
- [NTSB ANC99LA132](https://openairdocs.org/ntsb/ANC99LA132.md): Cessna 207 · Ninilchik, AK · Accident · Minor injuries · Limited investigation · Final report · Sep 4, 1999 · N800DF · Substantial damage
  > The pilot's selection of an unsuitable takeoff area. A factor associated with this accident was the sunglare.
- [NTSB ANC99FA047](https://openairdocs.org/ntsb/ANC99FA047.md): Cessna 207A · Kotzebue, AK · Accident · 1 fatal · Field investigation · Final report · Apr 14, 1999 · N73188 · Destroyed
  > The pilot's continued VFR flight into instrument meteorological conditions, spatial disorientation, and an inadvertent stall. Factors in the accident were weather conditions consisting of snow and mist, and flat lighting conditions.

## 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") = 1999
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17237'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17237&year=1999

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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.