# NTSB investigations, CO: Nose over 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 DEN08CA025](https://openairdocs.org/ntsb/DEN08CA025.md): Piper PA-18-150 · Cortez, CO · Accident · No injuries · Data collection · Final report · Nov 5, 2007 · N6ZT · Substantial damage > The passenger's inadvertent application of brakes, causing the airplane to nose over on landing. A contributing factor was the pilot's failure top adequately brief the passenger. - [NTSB DEN04LA144](https://openairdocs.org/ntsb/DEN04LA144.md): Aviat A-1 · Greeley, CO · Accident · No injuries · Limited investigation · Final report · Sep 2, 2004 · N6XJ · Substantial damage > the pilot's improper in-flight decision to land on an unimproved surface and the pilot's failure to maintain aircraft control. Contributing to the accident was the soft landing surface. - [NTSB DEN99LA124](https://openairdocs.org/ntsb/DEN99LA124.md): Piper PA-18-150 · Lamar, CO · Accident · No injuries · Limited investigation · Final report · Jul 20, 1999 · N400MA · Substantial damage > The left brake locked during takeoff roll for undetermined reasons. - [NTSB DEN99LA111](https://openairdocs.org/ntsb/DEN99LA111.md): Piper PA-18-150 · Boulder, CO · Accident · No injuries · Limited investigation · Final report · Jul 1, 1999 · N4785F · Substantial damage > The pilot's failure to maintain control of the aircraft during landing roll. - [NTSB FTW97LA308](https://openairdocs.org/ntsb/FTW97LA308.md): Cessna 182P · Arriba, CO · Accident · No injuries · Limited investigation · Final report · Aug 10, 1997 · N182WJ · Substantial damage > failure of the pilot to properly plan the flight and determine the field conditions before landing. The soft runway condition was a related factor. - [NTSB FTW97LA283](https://openairdocs.org/ntsb/FTW97LA283.md): Wonder RV-6 · Franktown, CO · Accident · No injuries · Limited investigation · Final report · Jul 27, 1997 · N443MW · Substantial damage > the pilot's failure to maintain control of the aircraft during landing roll. A factor was the uneven runway surface. - [NTSB DEN92LA058](https://openairdocs.org/ntsb/DEN92LA058.md): Cessna 185 · Durango, CO · Accident · No injuries · Limited investigation · Final report · Jun 13, 1992 · N9823X · Substantial damage > Improper use of brakes. Factors were: poorly planned approach and excessive landing speed. - [NTSB DEN87LA106](https://openairdocs.org/ntsb/DEN87LA106.md): Short Brothers SC7 · Denver, CO · Accident · Minor injuries · Limited investigation · Final report · Apr 20, 1987 · N20DA · Substantial damage > The plt said that he made a normal crosswind landing on rwy 26L at stapleton international arpt, Denver, Colorado. After leaving the rwy and taxiing parallel to the rwy he observed the wind increasing in velocity. He stopped the acft but a strong gust of wind… - [NTSB DEN86LA024](https://openairdocs.org/ntsb/DEN86LA024.md): Champion 7KCAB · Berthoud, CO · Accident · No injuries · Limited investigation · Final report · Nov 17, 1985 · N1832G · Substantial damage > The plt stated that he made 7-9 high speed taxies to pack the snow on the grass strip, aborting mid-strip when flying speed was not attained. On the final run, the plt said the acft again failed to reach flying speed and decided to abort mid-strip. The plt… - [NTSB DEN85LA223](https://openairdocs.org/ntsb/DEN85LA223.md): Cessna 120 · Erie, CO · Accident · No injuries · Limited investigation · Final report · Aug 17, 1985 · N4113N · Substantial damage > The plt stated after the accident that she had landed and the acft rolled aprx 600 ft when she attempted to turn off onto the taxiway while the acft was traveling at a moderate speed. A witness stated that he saw the trees 'lock up' as the acft approached the… - [NTSB DEN84LA114](https://openairdocs.org/ntsb/DEN84LA114.md): Bellanca 7GCAA · Monte Vista, CO · Accident · No injuries · Limited investigation · Final report · Feb 10, 1984 · N7625S · Substantial damage > The acft landed on a snow covered private airstrip and nosed over. The plt said that the 4 inch deep snow caused the acft to go over on its top. - [NTSB DEN83LA188](https://openairdocs.org/ntsb/DEN83LA188.md): Pitts Special S-1C · Hudson, CO · Accident · No injuries · Limited investigation · Final report · Aug 14, 1983 · N22R · Substantial damage > After arriving, the plt landed the acft on a turf rwy that was still wet due to a heavy rain on the previous day. During the landing roll-out, wet grass & mud accumulated in the main wheel pants. The plt said that the wheels subsequently locked up & the acft… - [NTSB DEN83LA078](https://openairdocs.org/ntsb/DEN83LA078.md): Gulfstream G-164A · Cortez, CO · Accident · No injuries · Limited investigation · Final report · Mar 10, 1983 · N8939H · Substantial damage > The acft nosed over during landing. According to the pilot the left brake was locked at touchdown. To compensate the pilot applied the right brake. The rapid stopping of the acft caused it to nose over. The braking system was inspected and no reason could be… - [NTSB DEN82DA071](https://openairdocs.org/ntsb/DEN82DA071.md): Cessna 172 · Westcliffe, CO · Accident · No injuries · Final report · Apr 4, 1982 · N1297U · Substantial damage > The pilot stated he was taxiing for takeoff when the wind lifted the tail of the aircraft and it nosed over. The wind was reported at 250 degrees, at 15 to 20 KTS. ## 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" = 300) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=300&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.