# NTSB investigations, 2004, 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 1 of 2 · 73 cases ## Latest cases - [NTSB DEN05LA043](https://openairdocs.org/ntsb/DEN05LA043.md): Mooney M20E · Telluride, CO · Accident · No injuries · Limited investigation · Final report · Dec 23, 2004 · N5550Q · Substantial damage > the pilot's improper in-flight decision making and inadvertent retraction of the landing gear resulting in a wheels up landing. A contributing factor included the pilot's attention being diverted by the seized engine tachometer. - [NTSB DEN05LA041](https://openairdocs.org/ntsb/DEN05LA041.md): Arctic S-1B2 · Steamboat Spngs, CO · Accident · No injuries · Limited investigation · Final report · Dec 18, 2004 · N78AT · Substantial damage > the loss of engine power due to carburetor icing. Contributing factors include the conditions conducive for carburetor icing, the lack of suitable terrain for a forced landing, the inadequate preflight planning and decision making and the fence. - [NTSB DEN05FA038](https://openairdocs.org/ntsb/DEN05FA038.md): Cessna 421 · Englewood, CO · Accident · 3 fatal · Field investigation · Final report · Dec 17, 2004 · N421FR · Destroyed > loss of engine power due to fuel starvation, and the instructor's failure to maintain aircraft control. Contributing factors were a partially blocked fuel line resulting in restricted fuel flow, the instructor's failure to perform critical emergency… - [NTSB DEN05LA035](https://openairdocs.org/ntsb/DEN05LA035.md): Piper J3C-65 · Monte Vista, CO · Accident · Serious injuries · Limited investigation · Final report · Dec 12, 2004 · N23375 · Substantial damage > the pilot's failure to maintain adequate airspeed which resulted in a stall during low level flight. - [NTSB DEN05FA034](https://openairdocs.org/ntsb/DEN05FA034.md): Mitsubishi MU-2B-60 · Englewood, CO · Accident · 2 fatal · Field investigation · Final report · Dec 11, 2004 · N538EA · Destroyed > the pilot's failure to maintain minimum controllable airspeed during the night visual approach resulting in a loss of control and uncontrolled descent into terrain. A contributing factor was the precautionary shutdown of the left engine for undetermined… - [NTSB DEN05LA031](https://openairdocs.org/ntsb/DEN05LA031.md): Cessna 172P · Englewood, CO · Accident · No injuries · Limited investigation · Final report · Dec 4, 2004 · N55250 · Substantial damage > The student pilot's failure to maintain directional control during landing. - [NTSB DEN05LA030](https://openairdocs.org/ntsb/DEN05LA030.md): Gulfstream Aerospace G-IV · Eagle, CO · Accident · No injuries · Limited investigation · Final report · Nov 29, 2004 · N420QS · Substantial damage > nose wheel steering system failure due to foreign material substance contamination. - [NTSB DEN05MA029](https://openairdocs.org/ntsb/DEN05MA029.md): Canadair CL-600-2A12 · Montrose, CO · Accident · 3 fatal · Class 1 · Major · Final report · Nov 28, 2004 · N873G · Destroyed > the flight crew's failure to ensure that the airplane’s wings were free of ice or snow contamination that accumulated while the airplane was on the ground, which resulted in an attempted takeoff with upper wing contamination that induced the subsequent stall… - [NTSB DEN05IA027](https://openairdocs.org/ntsb/DEN05IA027.md): McDonnell Douglas DC-9-82 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Nov 21, 2004 · N234AA · Minor damage > the first officer's failure to maintain proper glide slope during the landing approach, and the captain's failure to adequately monitor the approach and landing, and his failure to challenge and/or intervene when the first officer continued to descend below… - [NTSB DEN05LA037](https://openairdocs.org/ntsb/DEN05LA037.md): Cessna 172P · Loveland, CO · Accident · No injuries · Limited investigation · Final report · Nov 16, 2004 · N54165 · Substantial damage > the student pilot's failure to maintain directional control during landing and the student pilot's inadequate in-flight planning and decision making. Contributing factors include the quartering tail wind, the high airspeed, and the airport sign. - [NTSB DEN05LA023](https://openairdocs.org/ntsb/DEN05LA023.md): Cessna 152 · Lyons, CO · Accident · No injuries · Limited investigation · Final report · Nov 14, 2004 · N48943 · Destroyed > the pilot's inadequate in-flight planning/decision by his intentional VFR flight into IMC, and his failure to maintain obstacle clearance. - [NTSB DEN05IA025](https://openairdocs.org/ntsb/DEN05IA025.md): Blair-American USA · Fort Collins, CO · Incident · No injuries · Incident investigation · Final report · Nov 12, 2004 · N1518 · 2 aircraft · No damage > the Blair-American and the Cessna pilot's inadequate visual lookout, and student pilot's failure to give right-of-way to a landing aircraft, which resulted in a runway incursion and subsequent collision. Contributing factors include the student instructor's… - [NTSB DEN05LA017](https://openairdocs.org/ntsb/DEN05LA017.md): Miller Vans RV4 · Dotsero, CO · Accident · Serious injuries · Limited investigation · Final report · Oct 31, 2004 · N25HM · Destroyed > the pilot's improper in-flight planning and decision making and the loss of engine power due to carburetor ice. Contributing factors include the weather conditions conducive for carburetor icing and the lack of suitable terrain for a forced landing. - [NTSB DEN05LA022](https://openairdocs.org/ntsb/DEN05LA022.md): Cirrus Design SR22 · Pueblo, CO · Accident · No injuries · Limited investigation · Final report · Oct 29, 2004 · N203RF · Substantial damage > The pilot’s inadequate compensation for wind and his failure to maintain aircraft control which resulted in a gear collapse due to an on-ground collision with terrain. Contributing factors were the wind shear, gusty wind conditions, and rough terrain. This… - [NTSB DEN05LA013](https://openairdocs.org/ntsb/DEN05LA013.md): Cessna 170A · Glenwood Spring, CO · Accident · Serious injuries · Limited investigation · Final report · Oct 23, 2004 · N9176A · Substantial damage > the pilot's failure to use carburetor heat which resulted in the formation of carburetor ice and the loss of engine power. Related factors were conditions conducive for carburetor icing and the lack of suitable terrain for a forced landing. - [NTSB DEN05FA011](https://openairdocs.org/ntsb/DEN05FA011.md): Cessna 182R · Idaho Springs, CO · Accident · 1 fatal · Field investigation · Final report · Oct 13, 2004 · N9437H · Destroyed > the pilot's failure to maintain clearance from terrain, and his inadequate planning and decision making resulting in VFR flight into IMC. Contributing factors include the pilot's self-induced pressure to arrive at his destination, the low ceiling and the fog. - [NTSB DEN05LA008](https://openairdocs.org/ntsb/DEN05LA008.md): Cessna 210M · Salida, CO · Accident · No injuries · Limited investigation · Final report · Oct 10, 2004 · N732TE · Substantial damage > The pilot's inadequate preflight planning which failed to determine the fuel supply was inadequate resulting in fuel exhaustion and the loss of engine power. - [NTSB DEN05CA007](https://openairdocs.org/ntsb/DEN05CA007.md): Mooney M20E · Broomfield, CO · Accident · No injuries · Data collection · Final report · Oct 8, 2004 · N14DV · Substantial damage > the pilot's improper flare and recovery from a bounced landing during a touch and go maneuver. Contributing factors were the excessive airspeed and descent rate during the approach. - [NTSB DEN04LA150](https://openairdocs.org/ntsb/DEN04LA150.md): Cessna 172S · Broomfield, CO · Accident · No injuries · Limited investigation · Final report · Sep 30, 2004 · N802SP · Substantial damage > the pilot's improper flare, and the flight instructor's inadequate supervision of the pilot. - [NTSB DEN04LA148](https://openairdocs.org/ntsb/DEN04LA148.md): Smith, Ted Aerostar 601P · Broomfield, CO · Accident · No injuries · Limited investigation · Final report · Sep 26, 2004 · N200FF · Substantial damage > the pilot's improper in-flight planning/decision to accept a short traffic pattern and the improper flare resulting in a hard landing. - [NTSB DEN04LA145](https://openairdocs.org/ntsb/DEN04LA145.md): Bell 214B-1 · Aspen, CO · Accident · No injuries · Limited investigation · Final report · Sep 17, 2004 · N214B · Substantial damage > the inadvertent activation of the engine's fuel shut off valve, resulting in the reduction of engine power to 50 percent due to an improper cannon plug wire repair on the engine's wire harness assembly. Contributing factors include the improper wire repair,… - [NTSB DEN04LA135](https://openairdocs.org/ntsb/DEN04LA135.md): Cessna 180 · Buena Vista, CO · Accident · No injuries · Limited investigation · Final report · Sep 6, 2004 · N727DG · Substantial damage > The pilot's failure to maintain directional control. Contributing to the accident was the gusty winds and the dirt devil encountered by the aircraft. - [NTSB DEN04FA134](https://openairdocs.org/ntsb/DEN04FA134.md): Mooney M20D · Pagosa Springs, CO · Accident · 1 fatal · Field investigation · Final report · Sep 6, 2004 · N1907Y · Destroyed > the pilot's inadequate preflight planning and his failure to maintain directional control. Contributing factors were the pilot's failure to abort the takeoff, and the rough and uneven runway surface. - [NTSB DEN04LA138](https://openairdocs.org/ntsb/DEN04LA138.md): Gates Learjet 25B · Colorado Spring, CO · Accident · No injuries · Limited investigation · Final report · Sep 4, 2004 · N47MR · Substantial damage > right main tire failure for reasons undetermined. - [NTSB DEN04LA133](https://openairdocs.org/ntsb/DEN04LA133.md): Piper PA-20 · Hayden, CO · Accident · No injuries · Limited investigation · Final report · Sep 3, 2004 · N7030K · Substantial damage > the pilot's failure to maintain aircraft control during landing. Contributing factors include the excessive crosswind component, and the gusty wind conditions. - [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 DEN04CA137](https://openairdocs.org/ntsb/DEN04CA137.md): Cessna 172S · Erie, CO · Accident · No injuries · Data collection · Final report · Aug 29, 2004 · N2099J · Substantial damage > the pilot's failure to maintain aircraft control resulting in a hard landing. Factors contributing to the accident were the pilot induced oscillation and the high approach airspeed. - [NTSB DEN04LA129](https://openairdocs.org/ntsb/DEN04LA129.md): Piper PA-24-250 · Sterling, CO · Accident · No injuries · Limited investigation · Final report · Aug 22, 2004 · N5975P · Destroyed > the failure of the landing gear extension system for undetermined reasons. - [NTSB DEN04CA120](https://openairdocs.org/ntsb/DEN04CA120.md): Mooney M20J · Durango, CO · Accident · Minor injuries · Data collection · Final report · Aug 10, 2004 · N6212Q · Substantial damage > the pilot's inadequate compensation for wind conditions and his failure to maintain adequate airspeed resulting in a stall. Factors contributing to the accident were the wind gusts, the downdraft, and the road. - [NTSB DEN04FA119](https://openairdocs.org/ntsb/DEN04FA119.md): Cessna 172P · Monarch Crest, CO · Accident · 2 fatal · Field investigation · Final report · Aug 9, 2004 · N911JR · Destroyed > the pilot's failure to maintain airspeed which resulted in a stall, and his decision to conduct flight beyond the performance capability of the aircraft. A contributing factor was the high density altitude, and an inadvertent stall. - [NTSB DEN04CA122](https://openairdocs.org/ntsb/DEN04CA122.md): Eurocopter France EC-130 B4 · Englewood, CO · Accident · No injuries · Data collection · Final report · Aug 9, 2004 · N910U · Substantial damage > the pilot's failure to perform a preflight inspection. Contributing to the accident was the transmission cowling that disconnected during the landing. - [NTSB DEN04IA124](https://openairdocs.org/ntsb/DEN04IA124.md): Boeing 737-500 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Aug 7, 2004 · N929UA · Minor damage > the inaccurate radar information due to the failure of the Airport Movement Area Surveillance radar resulting in the tower calling for the airplane to abort the takeoff, subsequently causing tire and brake damage to the airplane. - [NTSB DEN04LA116](https://openairdocs.org/ntsb/DEN04LA116.md): Mooney M20R · Aspen, CO · Accident · No injuries · Limited investigation · Final report · Aug 4, 2004 · N4157 · Substantial damage > the pilot's failure to maintain control of the airplane. Contributing factors was the pilot flaring the airplane too high, his misunderstanding of the instructor's attempt to take control of the airplane. and the instructor's inadequate supervision of the… - [NTSB DEN04LA118](https://openairdocs.org/ntsb/DEN04LA118.md): Beech V35A · Grand Junction, CO · Accident · No injuries · Limited investigation · Final report · Aug 1, 2004 · N222S · Substantial damage > the pilot's improper planning and decision making resulting in the loss of engine power due to fuel starvation. Contributing factors include the insufficient time to completely extend the landing gear, and the lack of suitable terrain for a forced landing. - [NTSB DEN04LA113](https://openairdocs.org/ntsb/DEN04LA113.md): Bellanca 14-19-3A · Estes Park, CO · Accident · No injuries · Limited investigation · Final report · Jul 31, 2004 · N1251R · Substantial damage > the loss of engine power for undetermined reasons resulting in a forced landing. Factors contributing to the accident were the unsuitable terrain for landing and the mailbox posts. - [NTSB DEN04FA109](https://openairdocs.org/ntsb/DEN04FA109.md): Beech 58P · Fort Collins, CO · Accident · 3 fatal · Field investigation · Final report · Jul 24, 2004 · N69CL · Destroyed > the loss of engine power for undetermined reasons, and the pilot's failure to maintain adequate airspeed which resulted in a stall/spin. Clouds and the pilot's diverted attention were contributing factors. - [NTSB DEN04CA121](https://openairdocs.org/ntsb/DEN04CA121.md): Piper PA-24-250 · Model, CO · Accident · Minor injuries · Data collection · Final report · Jul 22, 2004 · N7064P · Substantial damage > the pilot's improper in-flight planning and decision making resulting in a loss of engine power due to fuel exhaustion. A contributing factor was the trees. - [NTSB DEN04LA112](https://openairdocs.org/ntsb/DEN04LA112.md): Swearingen SA-226T · Rifle, CO · Accident · No injuries · Limited investigation · Final report · Jul 21, 2004 · N84GA · Substantial damage > the pilot's failure to maintain aircraft control during the aborted takeoff resulting in the airplane departing the runway and striking a runway light and two taxiway signs. Factors contributing to the accident were the broken sensor wire to the left engine's… - [NTSB DEN04LA108](https://openairdocs.org/ntsb/DEN04LA108.md): Davis-Zenair Stol CH 801 · Erie, CO · Accident · No injuries · Limited investigation · Final report · Jul 21, 2004 · N10627 · Substantial damage > impact with terrain during a forced landing following a loss of engine power for underdetermined reasons. A contributing factor was the lack of suitable terrain for a forced landing. - [NTSB DEN04CA101](https://openairdocs.org/ntsb/DEN04CA101.md): Whitlock Rotorway Exec 162F · Meeker, CO · Accident · No injuries · Data collection · Final report · Jul 10, 2004 · N518W · Substantial damage > aircraft control not maintained by the pilot. A contributing factor was the failure of the supercharger. - [NTSB DEN04CA100](https://openairdocs.org/ntsb/DEN04CA100.md): Aeronca 7AC · Limon, CO · Accident · No injuries · Data collection · Final report · Jul 5, 2004 · N1480E · Substantial damage > the pilot's inadequate preflight planning/preparation. A contributing factor was the soft terrain in the takeoff area. - [NTSB DEN04CA097](https://openairdocs.org/ntsb/DEN04CA097.md): Cessna 172E · La Junta, CO · Accident · No injuries · Data collection · Final report · Jul 4, 2004 · N3581S · Destroyed > the student pilot's failure to maintain aircraft control and adequate airspeed during the go-around resulting in an inadvertent stall. Contributing to the accident was the low airspeed and altitude. - [NTSB DEN04CA095](https://openairdocs.org/ntsb/DEN04CA095.md): Northwing WS2 · Fort Collins, CO · Accident · Serious injuries · Data collection · Final report · Jun 13, 2004 · UNREG · Destroyed > A loss of engine power for undetermined reasons. Contributing factors include low altitude, and the lack of suitable terrain for a forced landing. - [NTSB DEN04CA092](https://openairdocs.org/ntsb/DEN04CA092.md): Schweizer 269C · Englewood, CO · Accident · No injuries · Data collection · Final report · Jun 13, 2004 · N2062N · Substantial damage > the settling with power situation encountered by the pilot. Contributing to the accident was the high density altitude. - [NTSB DEN04LA089](https://openairdocs.org/ntsb/DEN04LA089.md): Hispano Aviacion HA-200 · Pueblo, CO · Accident · 1 fatal · Limited investigation · Final report · Jun 12, 2004 · N611HA · Destroyed > The pilot's failure to maintain adequate airspeed resulting in an accelerated stall at an altitude too low for recovery. A factor was the pilot's lack of experience in the aircraft make and model. - [NTSB DEN04FA087](https://openairdocs.org/ntsb/DEN04FA087.md): Raytheon A36 · Gilcrest, CO · Accident · 2 fatal · Field investigation · Final report · Jun 7, 2004 · N6162E · Destroyed > the pilot's inadequate in-flight planning/decision by his failure to switch fuel tank selector position which resulted in fuel starvation. Also causal was the pilot's failure to maintain airspeed which resulted in a stall. - [NTSB DEN04CA085](https://openairdocs.org/ntsb/DEN04CA085.md): Let Blanik L-13 · Durango, CO · Accident · Serious injuries · Data collection · Final report · Jun 3, 2004 · N99860 · Substantial damage > the pilot's improper in-flight planning and decision and his failure to maintain adequate terrain clearance. Contributing to the accident was the lack of suitable terrain, and the low approach. - [NTSB DEN04LA082](https://openairdocs.org/ntsb/DEN04LA082.md): Lockheed TV-2 · Calhan, CO · Accident · No injuries · Limited investigation · Final report · May 29, 2004 · N6617 · Substantial damage > the failure of the fuel tank float which resulted in the draining of fuel out the vents, and a low fuel supply. Contributing factors include the insufficient runway length, the ditch, and the rough, uneven terrain. - [NTSB DEN04LA081](https://openairdocs.org/ntsb/DEN04LA081.md): Bellanca 7KCAB · Peyton, CO · Accident · Minor injuries · Limited investigation · Final report · May 26, 2004 · N4173Y · Substantial damage > the pilot's inadequate in-flight planning and decision making and his failure to maintain aircraft control during the landing flare which resulted in impact with terrain. Contributing factors include the pilot's failure to perform a go-around and the wind… - [NTSB DEN04CA080](https://openairdocs.org/ntsb/DEN04CA080.md): Cessna T188C · Lamar, CO · Accident · No injuries · Data collection · Final report · May 25, 2004 · N2030J · Substantial damage > A partial loss of engine power for undetermined reasons and the pilot's failure to maintain adequate airspeed which resulted in a stall. Contributing to the accident was the low altitude. Next page: https://openairdocs.org/ntsb.md?year=2004&state=CO&page=2 ## 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 year(c."eventDate") = 2004 AND 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?state=CO&year=2004 --- 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.