# NTSB investigations, CO: Sys/Comp malf/fail (non-power)

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 CEN26LA251](https://openairdocs.org/ntsb/CEN26LA251.md): Vans RV-12 · Grand Junction, CO · Accident · No injuries · Class 3 · Limited · Preliminary report · Jul 10, 2026 · N812MM · Substantial damage
  > On July 10, 2026, about 1023 mountain daylight time, an experimental amateur-built Vans Aircraft Inc RV-12 airplane, N812MM, sustained substantial damage when it was involved in an accident near Grand Junction, Colorado. The pilot and a passenger were…
- [NTSB CEN26LA166](https://openairdocs.org/ntsb/CEN26LA166.md): Diamond Aircraft Ind DA 42 NG · Colorado Springs, CO · Accident · No injuries · Class 4 · Limited · Final report · Apr 9, 2026 · N311LH · Substantial damage
  > Maintenance personnel's installation of an oversized tire, which prevented the left main landing gear from extending resulting in a precautionary gear up landing.
- [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 CEN25LA398](https://openairdocs.org/ntsb/CEN25LA398.md): Piper PA-60-601P · Del Norte, CO · Accident · No injuries · Class 4 · Limited · Final report · Sep 27, 2025 · N3635A · Substantial damage
  > The loss of directional control during landing roll due to a flat tire.
- [NTSB CEN25LA333](https://openairdocs.org/ntsb/CEN25LA333.md): Parks Fokker D-VII Replica · Englewood, CO · Accident · No injuries · Class 4 · Limited · Final report · Aug 22, 2025 · N18852 · Substantial damage
  > A malfunction of the tailwheel which resulted in a runway excursion and ground loop.
- [NTSB DCA25LA275](https://openairdocs.org/ntsb/DCA25LA275.md): Boeing 737-8 · Denver, CO · Accident · No injuries · Class 4 · Limited · Final report · Jul 26, 2025 · N306SW · Substantial damage
  > The failure of the airplane’s left main landing gear tires and wheels during the takeoff roll due to the thermal relief plugs melting and releasing tire pressure, which resulted in abnormal airplane handling characteristics and led the flight crew to reject…
- [NTSB CEN25FA178](https://openairdocs.org/ntsb/CEN25FA178.md): Beech 95-B55 (T42A) · Broomfield, CO · Accident · 2 fatal · Class 3 · Field · Preliminary report · May 17, 2025 · N4321Z · Destroyed
  > On May 17, 2025, about 1003 mountain daylight time, a Beechcraft 95-B55, was destroyed when it was involved in an accident near Broomfield, Colorado. The pilot and pilot-rated passenger sustained fatal injuries. The flight was being operated as a Title 14…
- [NTSB CEN24LA227](https://openairdocs.org/ntsb/CEN24LA227.md): Beech D55 · Colorado Springs, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 11, 2024 · N321N · Substantial damage
  > The deflated right main landing gear tire due to a sidewall puncture made by an unknown object, which led to the pilot’s loss of directional control and the landing gear collapse during landing roll.
- [NTSB CEN24LA018](https://openairdocs.org/ntsb/CEN24LA018.md): Cessna 210B · Pueblo, CO · Accident · No injuries · Class 3 · Limited · Final report · Oct 18, 2023 · N9597X · Substantial damage
  > The fatigue failure of the right main landing gear hydraulic actuator, which resulted in a loss of hydraulic fluid that prevented the pilot from lowering the landing gear to the fully extended position.
- [NTSB CEN23LA211](https://openairdocs.org/ntsb/CEN23LA211.md): W10 Tailwind · Penrose, CO · Accident · No injuries · Class 3 · Limited · Final report · May 31, 2023 · N456TW · Substantial damage
  > The failure of the right rudder pedal stop due to an inadequate weld, which resulted in a loss of control on the ground.
- [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 CEN21LA023](https://openairdocs.org/ntsb/CEN21LA023.md): Evolution Revolt · Durango, CO · Accident · No injuries · Class 4 · Limited · Final report · Oct 4, 2020 · N912RE · Substantial damage
  > The pilot’s loss of directional control during landing following a hard landing and failure of the right main tire.
- [NTSB CEN20CA079](https://openairdocs.org/ntsb/CEN20CA079.md): Air Tractor AT-504 · Fort Morgan, CO · Accident · No injuries · Data collection · Final report · Feb 8, 2020 · N970FA · Substantial damage
  > The pilot's improper landing flare, which resulted in a bounced landing, and his subsequent failure to maintain directional control, which resulted in the left main landing gear tire bursting and the tailwheel assembly failing.
- [NTSB CEN20LA069](https://openairdocs.org/ntsb/CEN20LA069.md): Cirrus SR22 · Woody Creek, CO · Accident · No injuries · Class 3 · Limited · Final report · Jan 27, 2020 · N288WT · Substantial damage
  > Water trapped in the static system, which resulted in incorrect airspeed display information and the pilot’s forced landing.
- [NTSB CEN19LA313](https://openairdocs.org/ntsb/CEN19LA313.md): Jackson Velocity · Mack, CO · Accident · No injuries · Class 3 · Limited · Final report · Sep 3, 2019 · N2XF · Substantial damage
  > A propeller overspeed due to failure of the electronic ignition timing ring attachment screws, and a runway overrun during the subsequent forced landing.
- [NTSB CEN19LA292](https://openairdocs.org/ntsb/CEN19LA292.md): Cessna 172 · Denver, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 29, 2019 · N53432 · Substantial damage
  > A total loss of electrical power for reasons that could not be determined, and the student pilot’s subsequent runway overrun during a no-flap landing.
- [NTSB CEN18LA180](https://openairdocs.org/ntsb/CEN18LA180.md): Roger G White Glasair · Broomfield, CO · Accident · Minor injuries · Limited investigation · Final report · May 16, 2018 · N4EJ · Substantial damage
  > The failure of the right brake line, which resulted in a loss of directional control and runway excursion.
- [NTSB CEN18LA162](https://openairdocs.org/ntsb/CEN18LA162.md): Cessna 182 · Broomfield, CO · Accident · Minor injuries · Class 3 · Limited · Final report · May 7, 2018 · N3292Y · Substantial damage
  > The overstress fracture of the upper link of the nose landing gear torque link assembly, which resulted in the pilot’s inability to maintain directional control during landing.
- [NTSB CEN18LA059](https://openairdocs.org/ntsb/CEN18LA059.md): American Champion 7GCAA · Longmont, CO · Accident · No injuries · Limited investigation · Final report · Dec 20, 2017 · N519MA · Substantial damage
  > The failure of the landing gear through bolt primarily due to fatigue during a hard landing, which resulted in a landing gear collapse and runway excursion. Contributing to the accident was noncompliance with the manufacturer service letter.
- [NTSB CEN17LA091](https://openairdocs.org/ntsb/CEN17LA091.md): Beech 95-C55 · Delta, CO · Accident · No injuries · Limited investigation · Final report · Jan 18, 2017 · N303QB · Substantial damage
  > The failure of the landing gear to extend during landing approach due to the interference between the landing gear motor's sector and worm gears.
- [NTSB CEN15IA014](https://openairdocs.org/ntsb/CEN15IA014.md): Raytheon Hawker · Denver, CO · Incident · No injuries · Incident investigation · Final report · Oct 15, 2014 · N694ES · Minor damage
  > The failure of the main landing gear tire, which resulted in separation of the servo block and subsequent total loss of all hydraulic system pressure and prevented the landing gear from extending before landing.
- [NTSB CEN14CA055](https://openairdocs.org/ntsb/CEN14CA055.md): Cessna 172N · Loveland, CO · Accident · Minor injuries · Data collection · Final report · Nov 2, 2013 · N6303E · Substantial damage
  > A dragging right brake, which resulted in an un-commanded right turn, and subsequent ground loop.
- [NTSB CEN14LA011](https://openairdocs.org/ntsb/CEN14LA011.md): Davenport Long EZ · Boulder, CO · Accident · No injuries · Limited investigation · Final report · Oct 19, 2013 · N282RD · Substantial damage
  > The sudden loss of tire pressure during takeoff roll, which resulted in a loss of directional control.
- [NTSB CEN12IA662](https://openairdocs.org/ntsb/CEN12IA662.md): Canadair CL-600 Challenger · Denver, CO · Incident · No injuries · Incident investigation · Final report · Sep 21, 2012 · N125PS · No damage
  > The internal failure of the galley heater mat’s thermostat, which resulted in an overheat condition.
- [NTSB CEN12LA420](https://openairdocs.org/ntsb/CEN12LA420.md): Cessna T210M · Colorado Springs, CO · Accident · No injuries · Limited investigation · Final report · Jul 20, 2012 · N311TM · Substantial damage
  > The failure of the right hydraulic main gear down-lock actuator hose in flight.
- [NTSB CEN12LA298](https://openairdocs.org/ntsb/CEN12LA298.md): Pool Murphy Moose · Steamboat Springs, CO · Accident · Minor injuries · Limited investigation · Final report · May 12, 2012 · N223DH · Substantial damage
  > A locked left brake for reasons that could not be determined because independent observations of the postaccident condition of the airplane could not be performed, and the pilot’s subsequent loss of control.
- [NTSB ENG12IA014](https://openairdocs.org/ntsb/ENG12IA014.md): Beech 1900D · Denver International Airport, CO · Incident · No injuries · Incident investigation · Final report · Feb 17, 2012 · N210GL · Minor damage
  > A failure of the nose landing gear end cap due to fatigue. Contributing to the failure were the ineffective inspection and the unknown effect of grain direction on fatigue life.
- [NTSB ENG12IA013](https://openairdocs.org/ntsb/ENG12IA013.md): Beech 1900D · Denver International Airport, CO · Incident · No injuries · Incident investigation · Final report · Dec 3, 2011 · N247GL · Minor damage
  > A failure of the nose landing gear end cap due to fatigue. Contributing to the failure were the ineffective inspection and the unknown effect of grain direction on fatigue life.
- [NTSB CEN11CA410](https://openairdocs.org/ntsb/CEN11CA410.md): Taft, Malcolm J SR Glastar · Canon City, CO · Accident · No injuries · Data collection · Final report · Jun 6, 2011 · N238W · Substantial damage
  > A loss of engine power due to an overheated engine as a result of a malfunction of the modified engine cooling system, necessitating a forced landing on unsuitable terrain.
- [NTSB CEN10TA355](https://openairdocs.org/ntsb/CEN10TA355.md): Lockheed P2V-5 · Broomfield, CO · Accident · No injuries · Final report · Jun 26, 2010 · N1386C · Substantial damage
  > The pilot’s failure to follow published emergency procedures by taxiing to the parking ramp with a known hydraulic system failure. Contributing to the accident was the co-pilot’s improper selection of the bypass position on the emergency nose gear extension…
- [NTSB CEN10LA098](https://openairdocs.org/ntsb/CEN10LA098.md): Mooney M20R · La Veta, CO · Accident · Minor injuries · Limited investigation · Final report · Jan 17, 2010 · N782LU · Substantial damage
  > A fuel leak and subsequent fire due to a mechanical defect.
- [NTSB CEN10LA093](https://openairdocs.org/ntsb/CEN10LA093.md): Dassault Falcon 20C · Eagle, CO · Accident · No injuries · Limited investigation · Final report · Jan 8, 2010 · XA-PCC · Substantial damage
  > The flight crew’s improper preflight inspection and failure to remove the main landing gear wheel chock, resulting in damage and subsequent failure of the main landing gear tire during the takeoff roll.
- [NTSB CEN09CA520](https://openairdocs.org/ntsb/CEN09CA520.md): Grahn J/Grahn G Pitts S2S · Rifle, CO · Accident · No injuries · Data collection · Final report · Aug 13, 2009 · N540S · Substantial damage
  > The pilot's excessive landing speed and subsequent excessive brake application which resulted in a loss of control and impact with an airport sign.
- [NTSB CEN09CA343](https://openairdocs.org/ntsb/CEN09CA343.md): Cessna 404 · Englewood, CO · Accident · No injuries · Data collection · Final report · Jun 6, 2009 · N37127 · Substantial damage
  > The failure of the landing gear to extend due to the failure of a hydraulic line.
- [NTSB CEN09FA098](https://openairdocs.org/ntsb/CEN09FA098.md): Piper PA-46 · Hayden, CO · Accident · 2 fatal · Field investigation · Final report · Dec 22, 2008 · N46SB · Destroyed
  > The pilot's loss of situational awareness while maneuvering in adverse weather conditions, resulting in spatial disorientation.
- [NTSB DEN08LA153](https://openairdocs.org/ntsb/DEN08LA153.md): Cessna 210 · Pagosa Springs, CO · Accident · No injuries · Limited investigation · Final report · Sep 7, 2008 · N6515X · Substantial damage
  > The failure of the landing gear to extend for undetermined reasons.
- [NTSB DFW08TA224](https://openairdocs.org/ntsb/DFW08TA224.md): Air Tractor AT-802A · Meeker, CO · Accident · Minor injuries · Final report · Aug 27, 2008 · N189LA · Substantial damage
  > The pilot's improper decision to continue an aerial application following an uncommanded opening of the cabin door in flight, and his subsequent failure to maintain control of the airplane.
- [NTSB DFW08CA200](https://openairdocs.org/ntsb/DFW08CA200.md): Curtiss-Wright 12Q · Erie, CO · Accident · No injuries · Data collection · Final report · Jul 27, 2008 · N496W · Substantial damage
  > Failure of the tail wheel control cable during landing roll out, which resulted in a loss of control.
- [NTSB DEN08IA123](https://openairdocs.org/ntsb/DEN08IA123.md): Airbus Industrie A319-114 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Jul 24, 2008 · C-FYJP · Minor damage
  > Total failure of the right inboard tire. Contributing to this incident were the low pressure of the tire, and the high tire heat generated by the previous rejected takeoff.
- [NTSB DFW08LA115](https://openairdocs.org/ntsb/DFW08LA115.md): Cessna 421C · Sterling, CO · Accident · No injuries · Limited investigation · Final report · Apr 24, 2008 · N513FS · Substantial damage
  > Failure and separation of the upper and lower right main gear torque links links, which resulted in a loss of directional control on landing roll-out.

## 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" = '330' 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/330/sequence?state=CO

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