# NTSB investigations, CO

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.

Page 5 of 99 · 4,940 cases

## Cases, newest first

- [NTSB CEN21LA414](https://openairdocs.org/ntsb/CEN21LA414.md): Cessna 172S · LaSalle, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 10, 2021 · N2099J · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB CEN21LA403](https://openairdocs.org/ntsb/CEN21LA403.md): Aviat A-1 · Gunnison, CO · Accident · No injuries · Class 4 · Limited · Final report · Sep 6, 2021 · N6XC · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane after landing with a quartering tailwind.
- [NTSB CEN21LA404](https://openairdocs.org/ntsb/CEN21LA404.md): Cessna 182 · Delta, CO · Accident · No injuries · Class 3 · Limited · Final report · Sep 3, 2021 · N9114W · Substantial damage
  > A total loss of engine power that resulted in a forced landing and subsequent noseover. The reason for the total loss of engine power could not be determined based on the available evidence.
- [NTSB CEN21LA449](https://openairdocs.org/ntsb/CEN21LA449.md): Columbia Aircraft Mfg LC41-550FG · Granby, CO · Accident · No injuries · Class 4 · Limited · Final report · Aug 27, 2021 · N522LG · Substantial damage
  > The pilot’s loss of control during landing in high density altitude conditions.
- [NTSB CEN21LA383](https://openairdocs.org/ntsb/CEN21LA383.md): Piper PA-28-181 · Gypsum, CO · Accident · No injuries · Class 4 · Limited · Final report · Aug 24, 2021 · N46MD · Substantial damage
  > A loss of engine power due to fuel starvation and the pilot's mismanagement of the available fuel.
- [NTSB CEN21LA341](https://openairdocs.org/ntsb/CEN21LA341.md): Cessna T210F · Peyton, CO · Accident · No injuries · Class 4 · Limited · Final report · Jul 27, 2021 · N6162R · Substantial damage
  > The pilot’s fuel mismanagement that resulted in a complete loss of engine power during climb and subsequent impact with terrain during a forced landing.
- [NTSB CEN21LA325](https://openairdocs.org/ntsb/CEN21LA325.md): Beech 35-C33 · Longmont, CO · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 18, 2021 · N18AR · Substantial damage
  > The airplane’s lack of climb performance after takeoff in high density altitude conditions for reasons that could not be determined based on the available evidence.
- [NTSB CEN21LA315](https://openairdocs.org/ntsb/CEN21LA315.md): Cessna 421C · Longmont, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 10, 2021 · N66NC · Substantial damage
  > The loss of performance for reasons that could not be determined.
- [NTSB CEN21FA305](https://openairdocs.org/ntsb/CEN21FA305.md): Hawker Beechcraft G36 · Aspen, CO · Accident · 2 fatal · Class 3 · Field · Final report · Jul 4, 2021 · N36JJ · Destroyed
  > The pilot’s failure to navigate through mountainous terrain, which resulted in controlled flight into terrain.
- [NTSB CEN21LA292](https://openairdocs.org/ntsb/CEN21LA292.md): Curnutt Elton E SKY Ranger B · Ellicott, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 27, 2021 · N7714E · Substantial damage
  > The pilot’s loss of control while maneuvering at low altitude.
- [NTSB CEN21LA291](https://openairdocs.org/ntsb/CEN21LA291.md): Piper PA-28-180 · Loveland, CO · Accident · No injuries · Class 4 · Limited · Final report · Jun 25, 2021 · N9277J · Substantial damage
  > The flight instructor’s failure to maintain aircraft control during the landing flare and subsequent attempted go-around with a strong quartering crosswind.
- [NTSB CEN21LA289](https://openairdocs.org/ntsb/CEN21LA289.md): Beech H35 · Watkins, CO · Accident · No injuries · Class 4 · Limited · Final report · Jun 22, 2021 · N5596D · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll, which resulted in a runway excursion and a subsequent impact with an obstacle.
- [NTSB CEN21LA281](https://openairdocs.org/ntsb/CEN21LA281.md): Schweizer SGS 1-35 · Wellington, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 20, 2021 · N2851H · Substantial damage
  > The glider pilot’s loss of visual references during the landing approach resulting in an off-airport landing on rough sloping terrain.
- [NTSB CEN21FA272](https://openairdocs.org/ntsb/CEN21FA272.md): Antenor Velazco Lancair Evolution · Parker, CO · Accident · 2 fatal · Class 3 · Field · Final report · Jun 16, 2021 · N704AK · Destroyed
  > The pilot’s diversion of attention following an asymmetric flap deployment, which resulted in a descent and collision with powerlines. Contributing to the accident was maintenance personnel’s failure to properly secure the flap control rod attachment bolts,…
- [NTSB CEN21LA271](https://openairdocs.org/ntsb/CEN21LA271.md): Cessna T210L · Buena Vista, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 14, 2021 · N30286 · Substantial damage
  > The partial loss of engine power due to a vane failure in the engine-driven fuel pump.
- [NTSB CEN21LA261](https://openairdocs.org/ntsb/CEN21LA261.md): Piper PA32 · Lafayette, CO · Accident · No injuries · Class 4 · Limited · Final report · Jun 11, 2021 · N3793W · Substantial damage
  > The flight crew’s improper fuel management that resulted in fuel starvation and the loss of engine power.
- [NTSB CEN21LA251](https://openairdocs.org/ntsb/CEN21LA251.md): Kevin Lippert Zenith CH 750 · Montrose, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 5, 2021 · N902KL · Substantial damage
  > The loss of engine power due to fuel vapor lock.
- [NTSB CEN21LA259](https://openairdocs.org/ntsb/CEN21LA259.md): Cessna 560XL · Aspen, CO · Accident · No injuries · Class 3 · Limited · Final report · Jun 4, 2021 · N615RG · Substantial damage
  > The malfunction of the landing gear handle for reasons that could not be determined, which caused the right main landing gear to collapse during the landing roll.
- [NTSB CEN21LA248](https://openairdocs.org/ntsb/CEN21LA248.md): Beech 1900 · Denver, CO · Accident · No injuries · Class 3 · Limited · Final report · Jun 3, 2021 · N219VP · Substantial damage
  > The pilot’s failure to properly configure the airplane for landing, which resulted in a gear-up landing.
- [NTSB CEN21LA241](https://openairdocs.org/ntsb/CEN21LA241.md): Pipistrel Alpha Trainer · Fort Collins, CO · Accident · Serious injuries · Class 3 · Limited · Final report · May 28, 2021 · N119JP · Substantial damage
  > A partial loss of engine power due to the failure of the throttle control cable, which resulted in the loss of control of the dual carburetor system. The cable failure was a result of improper soldering at the throttle cable input terminal on the splitter…
- [NTSB CEN21LA236](https://openairdocs.org/ntsb/CEN21LA236.md): Berry TX-11C · Longmont, CO · Accident · No injuries · Class 4 · Limited · Final report · May 24, 2021 · N752T · Substantial damage
  > The pilot’s loss of directional control when his foot became stuck on a protruding bolt in the airplane’s floorboard.
- [NTSB CEN21LA227](https://openairdocs.org/ntsb/CEN21LA227.md): Varner David L Vans RV-8 · Watkins, CO · Accident · No injuries · Class 4 · Limited · Final report · May 12, 2021 · N51LV · Substantial damage
  > The pilot’s failure to maintain control of the airplane during landing.
- [NTSB CEN21FA215](https://openairdocs.org/ntsb/CEN21FA215.md): Swearingen SA226TC · Englewood, CO · Accident · No injuries · Class 3 · Field · Final report · May 12, 2021 · N280KL · 2 aircraft · Substantial damage
  > The Cirrus pilot’s failure to maintain the final approach course for the assigned runway, which resulted in a collision with the Swearingen which was on final approach to the parallel runway. Contributing to the accident was the failure of the controller to…
- [NTSB CEN21LA202](https://openairdocs.org/ntsb/CEN21LA202.md): Boeing A75 · Denver, CO · Accident · No injuries · Class 4 · Limited · Final report · Apr 26, 2021 · N56760 · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll with variable and gusty wind conditions.
- [NTSB CEN21LA196](https://openairdocs.org/ntsb/CEN21LA196.md): Mobi-light CCX-2300 · Loveland, CO · Accident · No injuries · Class 4 · Limited · Final report · Apr 23, 2021 · N220XC · Substantial damage
  > The pilot’s failure to maintain directional control during landing, which resulted in a ground loop, and the failure of both pilots to establish who was in control of the airplane.
- [NTSB CEN21LA210](https://openairdocs.org/ntsb/CEN21LA210.md): Firefly Balloons 2010 Firefly 12B-010 · Pagosa Springs, CO · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 20, 2021 · N3016R · No damage
  > The pilot’s failure to properly control the balloon during a steep approach that resulted in a hard landing and a serious passenger injury.
- [NTSB CEN21LA190](https://openairdocs.org/ntsb/CEN21LA190.md): Gates Learjet 35A · Colorado Springs, CO · Accident · No injuries · Class 3 · Limited · Final report · Apr 15, 2021 · N354EF · Substantial damage
  > The flight crew’s improper decision to continue the unstabilized approach, which resulted in an aerodynamic stall and impact with the runway during landing.
- [NTSB DCA21LA120](https://openairdocs.org/ntsb/DCA21LA120.md): Vans RV-7 · Boulder, CO · Accident · No injuries · Class 4 · Limited · Final report · Apr 10, 2021 · N137RV · Substantial damage
  > a bird strike.
- [NTSB CEN21FA177](https://openairdocs.org/ntsb/CEN21FA177.md): Magnus Fusion 212 · Conifer, CO · Accident · 1 fatal · Class 3 · Field · Final report · Apr 3, 2021 · N434MA · Substantial damage
  > The pilot’s decision to fly at low altitude toward a mountainous canyon, and his exceedance of the airplane’s critical angle of attack while maneuvering to avoid rising terrain, which resulted in an aerodynamic stall and loss of airplane control.
- [NTSB CEN21LA182](https://openairdocs.org/ntsb/CEN21LA182.md): Cessna 180 · Denver, CO · Accident · No injuries · Class 4 · Limited · Final report · Apr 2, 2021 · N4802 · Substantial damage
  > The pilot’s loss of situational awareness, and his unintended landing on a soft unimproved dirt road, which resulted in a loss of directional control into soft ground and the airplane to subsequently nose over.
- [NTSB CEN21LA160](https://openairdocs.org/ntsb/CEN21LA160.md): Cessna 172 · Watkins, CO · Accident · No injuries · Class 4 · Limited · Final report · Mar 17, 2021 · N786CP · Substantial damage
  > The pilot’s failure to maintain directional control during takeoff and the instructor pilot’s inadequate supervision of the pilot’s takeoff.
- [NTSB CEN21LA159](https://openairdocs.org/ntsb/CEN21LA159.md): Piper PA-12 · Erie, CO · Accident · No injuries · Class 4 · Limited · Final report · Mar 17, 2021 · N2849M · Substantial damage
  > The pilot’s failure to maintain directional control during a full-stop landing, resulting in a runway excursion and impact with a snow berm.
- [NTSB CEN21LA152](https://openairdocs.org/ntsb/CEN21LA152.md): Cessna A185F · Pueblo, CO · Accident · No injuries · Class 4 · Limited · Final report · Mar 7, 2021 · N185RF · Substantial damage
  > The pilot’s failure to maintain directional control in gusting crosswind conditions.
- [NTSB CEN21LA149](https://openairdocs.org/ntsb/CEN21LA149.md): Aeropro CZ S R O A220 · Loveland, CO · Accident · No injuries · Class 4 · Limited · Final report · Mar 6, 2021 · N135C · Substantial damage
  > The pilot’s failure to maintain directional control during landing that resulted in a ground loop and impact with terrain.
- [NTSB CEN21LA186](https://openairdocs.org/ntsb/CEN21LA186.md): Piper PA 46-350P · Aspen, CO · Accident · No injuries · Class 4 · Limited · Final report · Feb 28, 2021 · N6962S · Substantial damage
  > The pilot’s failure to maintain directional control on landing.
- [NTSB DCA21FA085](https://openairdocs.org/ntsb/DCA21FA085.md): Boeing 777-222 · Broomfield, CO · Incident · No injuries · Class 3 · Field · Final report · Feb 20, 2021 · N772UA · Minor damage
  > The fatigue failure of the right engine fan blade. Contributing to the fan blade failure was the inadequate inspection of the blades, which failed to identify low-level indications of cracking, and the insufficient frequency of the manufacturer’s inspection…
- [NTSB CEN21LA119](https://openairdocs.org/ntsb/CEN21LA119.md): Cessna 172 · Silt, CO · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 31, 2021 · N4376Q · Destroyed
  > The pilot’s failure to avoid powerlines while flying at low altitude.
- [NTSB CEN21LA099](https://openairdocs.org/ntsb/CEN21LA099.md): Cessna 150K · Peyton, CO · Accident · No injuries · Class 4 · Limited · Final report · Dec 21, 2020 · N5937G · Substantial damage
  > The student pilot did not maintain directional control of the airplane while landing. Contributing to the accident was the pilot’s diverted attention to the incorrect flap setting.
- [NTSB CEN21LA086](https://openairdocs.org/ntsb/CEN21LA086.md): Eclipse EA 500 · Leadville, CO · Accident · No injuries · Class 4 · Limited · Final report · Dec 14, 2020 · N686TM · Substantial damage
  > The pilot’s failure to maintain proper control of the airplane, which led to an unstabilized approach and a long landing on a runway contaminated with ice and patchy packed snow resulting in a runway excursion.
- [NTSB CEN21LA067](https://openairdocs.org/ntsb/CEN21LA067.md): Vans RV4 · Telluride, CO · Accident · 2 fatal · Class 3 · Limited · Final report · Nov 26, 2020 · N87LW · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during the turn from the base leg to final approach, which resulted in the airplane exceeding its critical angle of attack and entering an inadvertent aerodynamic stall/spin at a low altitude over mountainous…
- [NTSB CEN21LA065](https://openairdocs.org/ntsb/CEN21LA065.md): Piper PA32R · Canon City, CO · Accident · No injuries · Class 3 · Limited · Final report · Nov 20, 2020 · N4187H · Substantial damage
  > The failure of the alternator drive belt, which resulted in insufficient electrical power to extend the landing gear and a subsequent gear-up landing..
- [NTSB CEN21LA051](https://openairdocs.org/ntsb/CEN21LA051.md): Cirrus SR22 · Denver, CO · Accident · No injuries · Class 4 · Limited · Final report · Nov 6, 2020 · N418DE · Substantial damage
  > The student pilot’s failure to maintain control of the airplane during landing with a gusting crosswind and his failure to go around and relinquish control of the airplane when directed by the instructor pilot.
- [NTSB CEN21LA027](https://openairdocs.org/ntsb/CEN21LA027.md): Ccx-2000-0081 CCX-2000 · Longmont, CO · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 24, 2020 · N9943W · Substantial damage
  > The pilot failed to maintain control of the airplane during landing.
- [NTSB CEN21LA006](https://openairdocs.org/ntsb/CEN21LA006.md): Aeronca 7AC · Salida, CO · Accident · No injuries · Class 4 · Limited · Final report · Oct 5, 2020 · N3370E · Substantial damage
  > The student pilot’s loss of directional control during takeoff and the flight instructor’s delayed remedial action which resulted in a runway excursion and impact with a steel object.
- [NTSB CEN21FA007](https://openairdocs.org/ntsb/CEN21FA007.md): Beech S35 · Telluride, CO · Accident · 2 fatal · Class 3 · Field · Final report · Oct 5, 2020 · N4444K · Substantial damage
  > The pilot’s loss of control during the climb to cruise flight resulting in the airplane’s impact with terrain. Contributing to the accident was the pilot’s decision to not climb to a higher altitude before proceeding over high terrain.
- [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 CEN21LA001](https://openairdocs.org/ntsb/CEN21LA001.md): Cessna 210 · Cedaredge, CO · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 4, 2020 · N9568X · Destroyed
  > A partial loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB CEN21LA002](https://openairdocs.org/ntsb/CEN21LA002.md): Cessna 182 · Byers, CO · Accident · No injuries · Class 3 · Limited · Final report · Oct 3, 2020 · N9901E · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB CEN21LA009](https://openairdocs.org/ntsb/CEN21LA009.md): Mooney M20F · Denver, CO · Accident · No injuries · Class 4 · Limited · Final report · Oct 2, 2020 · N7798M · Substantial damage
  > Failure of the landing gear motor that prevented the gear from extending fully to the down and locked position, which resulted in a gear collapse on landing and a subsequent loss of directional control.
- [NTSB CEN20LA424](https://openairdocs.org/ntsb/CEN20LA424.md): Kitfox Speedster · Leadville, CO · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 24, 2020 · N525PP · Substantial damage
  > A partial loss of engine power due to fuel starvation as a result of the pilot’s improper maintenance.

Next page: https://openairdocs.org/ntsb.md?state=CO&page=6

## 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'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?page=5&state=CO

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