# NTSB investigations, CO: Undetermined

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 DCA05IA072](https://openairdocs.org/ntsb/DCA05IA072.md): Bombardier CL-600-2D15 · colorado spring, CO · Incident · No injuries · Incident investigation · Final report · Jun 10, 2005 · CGJAZ · No damage
  > Undetermined.
- [NTSB DEN93LA014](https://openairdocs.org/ntsb/DEN93LA014.md): Champion 7KCAB · Boulder, CO · Accident · No injuries · Limited investigation · Final report · Dec 2, 1992 · N2751G · Substantial damage
  > Undetermined.
- [NTSB DEN92LA043](https://openairdocs.org/ntsb/DEN92LA043.md): Cessna 172Q · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Mar 18, 1992 · N66076 · Substantial damage
  > Undetermined.
- [NTSB DEN91LA059](https://openairdocs.org/ntsb/DEN91LA059.md): Beech A36 · Salida, CO · Accident · No injuries · Limited investigation · Final report · Apr 6, 1991 · N4595S · Substantial damage
  > The dual student's poor takeoff technique, his failure to maintain directional control, and inadequate supervision by the PIC CFI. A factor was: the dual student's lack of experience in mountain flying.
- [NTSB DEN86FTE02](https://openairdocs.org/ntsb/DEN86FTE02.md): Beech 58 · Elbert, CO · Accident · 1 fatal · Final report · Nov 2, 1985 · N26BW · Destroyed
  > The acft crashed in a open field & was not found for 4 days. The home built acft, maintained largely by the plt, had the engine destroyed so completely that no determination could be made as to power being developed at impact. The plt reportedly had been…

## 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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 400)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=400&state=CO

---
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.