# NTSB investigations: Lycoming O-320-B2B, AK

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 ANC25LA107](https://openairdocs.org/ntsb/ANC25LA107.md): David Hunter Danchini CUB · Tyonek, AK · Accident · No injuries · Class 4 · Limited · Final report · Sep 16, 2025 · N798AK · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane during the landing roll, in gusting crosswind conditions.
- [NTSB ANC16CA069](https://openairdocs.org/ntsb/ANC16CA069.md): Piper PA18 · Willow, AK · Accident · Minor injuries · Data collection · Final report · Sep 25, 2016 · N743R · Substantial damage
  > The pilot's failure to maintain airplane control during the landing roll, which resulted in a nose-over.
- [NTSB GAA16CA458](https://openairdocs.org/ntsb/GAA16CA458.md): Piper PA18 · Central, AK · Accident · No injuries · Data collection · Final report · Aug 26, 2016 · N9575D · Substantial damage
  > The pilot's decision to taxi on unsuitable terrain after landing, which resulted in an encounter with a washed out ditch.
- [NTSB ANC02LA009](https://openairdocs.org/ntsb/ANC02LA009.md): Piper PA-18 · Anchorage, AK · Accident · No injuries · Limited investigation · Final report · Jan 12, 2002 · N9908D · Substantial damage
  > The flight instructor's inadequate supervision of the flight. Factors in the accident were the student's failure to maintain directional control of the airplane during the landing roll, icy runway conditions, and snow-covered terrain along the runway edges.
- [NTSB ANC95LA114](https://openairdocs.org/ntsb/ANC95LA114.md): Piper PA-18 · Tyonek, AK · Accident · No injuries · Limited investigation · Final report · Jul 26, 1995 · N8792D · Substantial damage
  > The pilot-in-command's failure to maintain airspeed.
- [NTSB ANC75AA083](https://openairdocs.org/ntsb/ANC75AA083.md): Cessna 182 · Selawik, AK · Accident · Minor injuries · Closed · May 15, 1975 · N8718X · 2 aircraft · Minor damage
- [NTSB ANC75DAG07](https://openairdocs.org/ntsb/ANC75DAG07.md): Piper PA-18 · Tyonek, AK · Accident · No injuries · Closed · Jul 27, 1974 · N9908D · Substantial damage

## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('42138'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=42138&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.