# NTSB investigations: Great Lakes 2T-1A-2: 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 ERA22LA119](https://openairdocs.org/ntsb/ERA22LA119.md): Great Lakes 2T-1A-2 · Naples, FL · Accident · No injuries · Class 4 · Limited · Final report · Feb 11, 2022 · N87G · 2 aircraft · Minor damage
  > The biplane pilot’s inadequate visual lookout, which resulted in an on-ground collision with another airplane while taxiing.
- [NTSB WPR20LA320](https://openairdocs.org/ntsb/WPR20LA320.md): Great Lakes 2T1A · San Diego, CA · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 24, 2020 · N3617L · Substantial damage
  > A loss of engine power for reasons that could not be determined, which resulted in a hard landing off airport.
- [NTSB ERA18LA023](https://openairdocs.org/ntsb/ERA18LA023.md): Great Lakes 2T1A · Montague, MA · Accident · No injuries · Limited investigation · Final report · Nov 2, 2017 · N3512L · Substantial damage
  > The pilot’s failure to maintain directional control during the attempted takeoff, which resulted in a runway excursion.
- [NTSB CEN14CA428](https://openairdocs.org/ntsb/CEN14CA428.md): Great Lakes 2T 1A 2 · Frankfort, MI · Accident · Minor injuries · Data collection · Final report · Aug 3, 2014 · N80AM · Substantial damage
  > The pilot's improper recovery from a bounced landing in gusty, crosswind conditions. Contributing to the accident was the pilot lack of recent tail wheel landing experience.
- [NTSB CEN09CA349](https://openairdocs.org/ntsb/CEN09CA349.md): Great Lakes 2T-1A-2 · Hamilton, TX · Accident · No injuries · Data collection · Final report · Jun 7, 2009 · N3812F · Substantial damage
  > The pilot's failure to maintain clearance from a tree while on short final.

## 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.aircraft_model_code IN ('3910101')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' 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/470/sequence?model=3910101

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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.
