# NTSB investigations: Continental IO-520-F: Loss of control - in flight

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 ANC03LA108](https://openairdocs.org/ntsb/ANC03LA108.md): Cessna 206 · Kaktovik, AK · Accident · No injuries · Limited investigation · Final report · Sep 5, 2003 · N206J · Substantial damage
  > The pilot's failure to maintain airspeed during takeoff which resulted in a loss of control during initial climb. Factors associated with the accident were wet and muddy runway conditions, and the pilot's selection of an unsuitable takeoff area.
- [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 ANC93LA014](https://openairdocs.org/ntsb/ANC93LA014.md): Cessna 207 · Ekwok, AK · Accident · Serious injuries · Limited investigation · Final report · Nov 11, 1992 · N9237M · Substantial damage
  > The pilot failed to maintain airspeed and inadvertently stalled the airplane. Contributing to the accident were the pilots improper in flight planning/decision, her intentional flight into known adverse weather, and the fog and icing conditions.
- [NTSB ANC86FA078](https://openairdocs.org/ntsb/ANC86FA078.md): Cessna 207A · Saint Marys, AK · Accident · 1 fatal · Field investigation · Final report · Jun 17, 1986 · N9699M · Destroyed
  > The pilot stalled the airplane while making a steep turn to avoid high voltage power lines. The airplane caught fire on impact and the air taxi pilot subsequently died of extensive thermal injuries. The plt was flying in formation with another acft at low…
- [NTSB ANC86LA003](https://openairdocs.org/ntsb/ANC86LA003.md): Cessna 207A · Nelson Island, AK · Accident · Minor injuries · Limited investigation · Final report · Oct 14, 1985 · N9570M · Substantial damage
  > The pilot stated that he lost 90 percent of aircraft control and an alarming rate of lost of altitude. At the time of the accident the wind was reported as 140 degrees at 30 knots with gust 40 knots. Chief pilot stated crossing the Island at a higher altitude…

## 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.engine_model_code IN ('17237')
    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" = 250))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17237&occurrence=250

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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.