# NTSB investigations, CO: Loss of visual reference

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 CEN21LA281](https://openairdocs.org/ntsb/CEN21LA281.md): Schweizer SGS 1-35 · Wellington, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 20, 2021 · N2851H · Substantial damage
  > The glider pilot’s loss of visual references during the landing approach resulting in an off-airport landing on rough sloping terrain.
- [NTSB GAA16CA058](https://openairdocs.org/ntsb/GAA16CA058.md): Cessna 172 · Greeley, CO · Accident · No injuries · Data collection · Final report · Nov 15, 2015 · N4256Q · 2 aircraft · Substantial damage
  > The pilot of the following airplane failed to maintain adequate spacing during the taxi to the runway, resulting in a collision with the lead airplane.
- [NTSB CEN09LA116](https://openairdocs.org/ntsb/CEN09LA116.md): Learjet 45XR · Telluride, CO · Accident · Minor injuries · Limited investigation · Final report · Jan 3, 2009 · N279AJ · Substantial damage
  > The failure of both pilots to positively identify the runway prior to landing.
- [NTSB DFW08FA212](https://openairdocs.org/ntsb/DFW08FA212.md): Piper PA-24-250 · Yuma, CO · Accident · 3 fatal · Field investigation · Final report · Aug 24, 2008 · N5476P · Substantial damage
  > The pilot's failure to maintain control of the airplane after an encounter with instrument meteorological conditions.

## 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" = 'CO' 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" = '402' 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/402/sequence?state=CO

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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.