# NTSB investigations: Lycoming O-320-A2B: Collision with terr/obj (non-CFIT)

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 ANC25LA106](https://openairdocs.org/ntsb/ANC25LA106.md): Brian Turner Northern Explorer · Delta Junction, AK · Accident · No injuries · Class 4 · Limited · Final report · Aug 6, 2025 · N907BT · Substantial damage
  > The pilot’s failure to maintain obstacle clearance during landing, which resulted in an impact with trees.
- [NTSB ANC23LA081](https://openairdocs.org/ntsb/ANC23LA081.md): Piper/Gerbi Charles R PA 18-150 · Juneau, AK · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 11, 2023 · N4900C · Substantial damage
  > The student pilot’s failure to maintain altitude after the airplane encountered a downdraft while maneuvering over an area of hilly terrain.
- [NTSB CEN23LA210](https://openairdocs.org/ntsb/CEN23LA210.md): Piper PA-18-150 · St. Anthony, ND · Accident · Minor injuries · Class 4 · Limited · Final report · May 30, 2023 · N7343L · Substantial damage
  > The pilot’s failure to maintain clearance from terrain while maneuvering at low attitude.

## 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 ('42101')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '470'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/470/cases?engine=42101

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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.