# NTSB investigations, MN: 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 ERA22FA387](https://openairdocs.org/ntsb/ERA22FA387.md): Sea & Sky Krucker Cygnet · Emily, MN · Accident · 2 fatal · Class 3 · Field · Final report · Aug 28, 2022 · N505DB · Substantial damage
  > The pilot’s operation of the weight-shift control aircraft over its design gross weight and his decision to take off with the engine operating at less than the specified takeoff rpm, which resulted in degraded takeoff and climb performance. Contributing to…
- [NTSB CEN21LA128](https://openairdocs.org/ntsb/CEN21LA128.md): Agustawestland Philadelphia AW119MKII · Alexandria, MN · Accident · No injuries · Class 4 · Limited · Final report · Feb 13, 2021 · N352LL · Substantial damage
  > The helicopter’s impact with an object on departure that could not be determined.
- [NTSB CEN11CA010](https://openairdocs.org/ntsb/CEN11CA010.md): Martin Curtis Zenair CH701 SP · Lonsdale, MN · Accident · Minor injuries · Data collection · Final report · Oct 10, 2010 · N157SB · Destroyed
  > The pilot's failure to maintain clearance from a power line while on approach to land.
- [NTSB CHI08CA227](https://openairdocs.org/ntsb/CHI08CA227.md): Head Balloons AX9-118 · Cook, MN · Accident · No injuries · Data collection · Final report · Jul 31, 2008 · N3106K · Destroyed
  > The pilot's decision to land in a confined area. Contributing to the accident were the hidden power transmission lines and the confined landing site.

## 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" = 'MN' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE 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?state=MN

---
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.