# NTSB investigations, AK: Emergency descent initiated

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 ANC19LA016](https://openairdocs.org/ntsb/ANC19LA016.md): Piper PA-32-300 · Bethel, AK · Accident · No injuries · Class 3 · Limited · Final report · Apr 12, 2019 · N4466T · Substantial damage
  > A total loss of engine power due to a fatigue failure of the crankshaft. A contributing factor was the inadequate inspection during the engine’s last overhaul.
- [NTSB ANC10LA074](https://openairdocs.org/ntsb/ANC10LA074.md): Cessna U206G · Homer, AK · Accident · No injuries · Limited investigation · Final report · Aug 19, 2010 · N9815M · Substantial damage
  > The loss of engine power for an undetermined reason, resulting in an off-airport emergency landing and subsequent nose over.
- [NTSB ANC08LA089](https://openairdocs.org/ntsb/ANC08LA089.md): Dehavilland DHC-3 · Iliamna, AK · Accident · No injuries · Limited investigation · Final report · Jul 22, 2008 · N61FE · Substantial damage
  > A total loss of engine power due to the separation of the number 8 cylinder from the engine, which separated an oil line, resulting in a loss of oil and oil pressure. Contributing to the accident was the float-equipped airplane's forced landing on a road.

## 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" = 'AK' 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" = '130' 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/130/sequence?state=AK

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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.
