# NTSB investigations, CO: Altitude deviation,uncontrolled

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 FTW96LA090](https://openairdocs.org/ntsb/FTW96LA090.md): Piper PA-28-181 · Collbran, CO · Accident · Minor injuries · Limited investigation · Final report · Jan 12, 1996 · N2132J · Substantial damage
  > The pilot's intentional flight at low altitude, which resulted in inadequate terrain clearance to compensate for a downdraft. The downdraft was a related factor.
- [NTSB FTW94LA188](https://openairdocs.org/ntsb/FTW94LA188.md): Cessna 182H · Telluride, CO · Accident · No injuries · Limited investigation · Final report · Jun 3, 1994 · N1838X · Substantial damage
  > Was the pilot's improper recovery from a bounced landing. Factors were gusty winds and runway downslope.
- [NTSB DEN92IA005](https://openairdocs.org/ntsb/DEN92IA005.md): Boeing 747-122 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Oct 24, 1991 · N4719U · No damage
  > A malfunction in the stabilizer trim control module.
- [NTSB DEN88GA185](https://openairdocs.org/ntsb/DEN88GA185.md): Cessna 182R · Georgetown, CO · Accident · 1 fatal · Final report · Aug 12, 1988 · N9545H · Substantial damage
- [NTSB DEN84LA276](https://openairdocs.org/ntsb/DEN84LA276.md): Molino PIK-20 · Calhan, CO · Accident · Serious injuries · Limited investigation · Final report · Sep 2, 1984 · N858E · Substantial damage
  > The glider struck a barbed wire fence while landing in a pasture. The plt said he encountered a downwash at the edge of a storm that resulted in an 800 fpm rate of descent and forced landing.
- [NTSB DEN84LA150](https://openairdocs.org/ntsb/DEN84LA150.md): Cessna 182M · Nucla, CO · Accident · Serious injuries · Limited investigation · Final report · May 12, 1984 · N71429 · Substantial damage
  > Plt stated, 'I made one pass on low boundry spreading 100% of seed and began a climbing left turn to make a pass from high side down east boundry. I reached altitude of approximately 300 ft AGL (above ground level) and attempted to pass over telephone draw…
- [NTSB DEN84IA007](https://openairdocs.org/ntsb/DEN84IA007.md): Boeing 727-222 · Pueblo, CO · Incident · No injuries · Incident investigation · Final report · Oct 19, 1983 · N70634 · No damage
  > The acft experienced an uncontrolled altitude deviation as a result of encountering cat at 27000 ft. it climbed at 6000 fpm to 3200 ft. the acft was 40 to 50 miles north & slightlybelow the jet core. No turbulence was forecast.

## 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" = 110)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=110&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.
