# NTSB investigations, CO: Part(s) separation from AC

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 DCA26LA151](https://openairdocs.org/ntsb/DCA26LA151.md): Fairchild SA227-AC · Denver, CO · Accident · No injuries · Class 4 · Limited · Final report · Mar 7, 2026 · N425MA · Substantial damage
  > The overstress failure of the left main landing gear lower drag brace links during takeoff which resulted in a runway excursion during landing due to the left main landing gear collapsing.
- [NTSB CEN25LA328](https://openairdocs.org/ntsb/CEN25LA328.md): Vans RV14 · Parker, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 13, 2025 · N29JM · Substantial damage
  > Separation of the right landing gear wheel assembly during landing.
- [NTSB CEN24LA244](https://openairdocs.org/ntsb/CEN24LA244.md): Desert Fox 1 · Ellicott, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 27, 2024 · N10ZR · Substantial damage
  > The pilot's decision to takeoff with a quartering tailwind and high density altitude which resulted in a runway overrun. Contributing to the accident was the failure of the right main axle mount due to the poor weld.
- [NTSB CEN22LA004](https://openairdocs.org/ntsb/CEN22LA004.md): Cessna 195 · Watkins, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 4, 2021 · N3027B · Substantial damage
  > The separation of the left main landing gear spring during landing roll due to a preexisting fatigue crack.
- [NTSB CEN19LA048](https://openairdocs.org/ntsb/CEN19LA048.md): Vans RV 6 · Watkins, CO · Accident · No injuries · Class 3 · Limited · Final report · Dec 25, 2018 · N711KJ · Destroyed
  > The pilot’s failure to apply adequate torque to a fuel line during recent maintenance, which allowed the line to loosen in flight and fuel to enter the hot engine compartment and resulted in an in-flight fire that consumed the airplane.
- [NTSB GAA18CA544](https://openairdocs.org/ntsb/GAA18CA544.md): Halladay Roy Lockheed · Denver, CO · Accident · No injuries · Data collection · Final report · Sep 9, 2018 · N514RH · Substantial damage
  > The pilot's failure to verify that the emergency canopy release was in the correct position when opening the canopy during landing, which resulted in the canopy separating from the airplane and subsequently impacting the empennage.
- [NTSB CEN17LA306](https://openairdocs.org/ntsb/CEN17LA306.md): Piper PA 28-181 · Denver, CO · Accident · No injuries · Limited investigation · Final report · Jul 31, 2017 · N2146R · Substantial damage
  > The pilot’s failure to maintain directional control while landing.
- [NTSB CEN16FA086](https://openairdocs.org/ntsb/CEN16FA086.md): Beech C35 · Meeker, CO · Accident · 1 fatal · Field investigation · Final report · Jan 14, 2016 · N2025D · Destroyed
  > The non-instrument-rated pilot's decision to fly the airplane in instrument meteorological conditions at high altitude for greater than 30 minutes without the use of supplemental oxygen which resulted in hypoxia, and a subsequent loss of control. Contributing…
- [NTSB GAA15CA294](https://openairdocs.org/ntsb/GAA15CA294.md): Howard DGA 15P · Englewood, CO · Accident · No injuries · Data collection · Final report · Sep 25, 2015 · N1785H · Substantial damage
  > The separation of the elevator control system linkage at a push/pull tube and cable joint, for an unknown reason, because the bolt and associated hardware securing the joint was not found for examination.
- [NTSB CEN15LA202](https://openairdocs.org/ntsb/CEN15LA202.md): Fairchild SA227 AC · Rifle, CO · Accident · No injuries · Limited investigation · Final report · Apr 17, 2015 · N2691W · Substantial damage
  > The uncontained engine failure due to the fatigue failure of the second-stage turbine rotor disk.
- [NTSB CEN14CA160](https://openairdocs.org/ntsb/CEN14CA160.md): Piper PA 28-235 · De Beque, CO · Accident · Minor injuries · Data collection · Final report · Mar 14, 2014 · N9172W · Substantial damage
  > The pilot's failure to maintain control of the airplane while maneuvering at low altitude.
- [NTSB CEN14FA072](https://openairdocs.org/ntsb/CEN14FA072.md): Biesemeier David I Smyth Sidewinder · Boulder, CO · Accident · 1 fatal · Field investigation · Final report · Nov 27, 2013 · N3786A · Destroyed
  > The pilot’s abrupt maneuver, which exceeded the structural limits of the left wing and resulted in its in-flight separation.
- [NTSB CEN13LA298](https://openairdocs.org/ntsb/CEN13LA298.md): Allen Jan A Challenger II · Greeley, CO · Accident · No injuries · Limited investigation · Final report · May 22, 2013 · N269MM · Substantial damage
  > The loss of engine power due to the engine seizure, which resulted from damage caused by the ingestion of carburetor ice into the engine intake ports.
- [NTSB CEN12LA345](https://openairdocs.org/ntsb/CEN12LA345.md): Learjet 60 · Aspen, CO · Accident · No injuries · Limited investigation · Final report · Jun 7, 2012 · N500SW · Substantial damage
  > The first officer’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle-of-attack during the final approach in known low-level windshear conditions, which resulted in an aerodynamic stall. Contributing to the accident…
- [NTSB CEN12FA098](https://openairdocs.org/ntsb/CEN12FA098.md): Socata TB21 · Silverton, CO · Accident · 4 fatal · Field investigation · Final report · Dec 3, 2011 · N25153 · Substantial damage
  > The non-instrument-rated pilot’s decision to embark on a flight through forecasted instrument meteorological conditions (IMC), and his subsequent flight into IMC, which resulted in the pilot’s spatial disorientation and subsequent maneuvering of the airplane…
- [NTSB CEN11FA479](https://openairdocs.org/ntsb/CEN11FA479.md): Cessna 150L · Silverton, CO · Accident · 2 fatal · Field investigation · Final report · Jul 14, 2011 · N1539Q · Substantial damage
  > The pilot's failure to maintain control of the airplane while operating it at low levels above mountainous terrain and in excess of its maximum allowable gross weight, which resulted in an aerodynamic stall. The pilot's failure to maintain control resulted…
- [NTSB CEN11GA218](https://openairdocs.org/ntsb/CEN11GA218.md): Hughes 369D · Meeker, CO · Accident · Minor injuries · Final report · Mar 8, 2011 · N131AL · Substantial damage
  > Main rotor contact with the tail boom resulting in tail boom separation.
- [NTSB CEN11IA114](https://openairdocs.org/ntsb/CEN11IA114.md): Diamond Aircraft Ind DA 40 · Colorado Springs, CO · Incident · No injuries · Incident investigation · Final report · Dec 8, 2010 · N326AF · Minor damage
  > Fatigue failure of the nose wheel fork, which resulted in separation of the nose wheel.
- [NTSB CEN11CA031](https://openairdocs.org/ntsb/CEN11CA031.md): Beech A36 · Pagosa Springs, CO · Accident · No injuries · Data collection · Final report · Oct 14, 2010 · N4979M · Substantial damage
  > The pilot's improper flare, which resulted in a hard landing.
- [NTSB CEN09CA218](https://openairdocs.org/ntsb/CEN09CA218.md): Bell 222 · Milliken, CO · Accident · No injuries · Data collection · Final report · Mar 13, 2009 · N222LL · Substantial damage
  > The separation of the left engine cowling for undetermined reasons.

## 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" = '338' 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/338/sequence?state=CO

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