# NTSB investigations, CO: Undershoot 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 DEN08CA023](https://openairdocs.org/ntsb/DEN08CA023.md): Cessna TP206A · Boulder, CO · Accident · Minor injuries · Data collection · Final report · Nov 2, 2007 · N4635F · Substantial damage > The pilot's misjudgment of altitude. Contributing factors in this accident were the pilot's intentional low airspeed, his failure to execute a go-around, and the soft terrain. - [NTSB DEN05LA104](https://openairdocs.org/ntsb/DEN05LA104.md): Cessna 150L · Rocky Ford, CO · Accident · Minor injuries · Limited investigation · Final report · Jul 8, 2005 · N6839G · Substantial damage > the pilot's misjudged distance/altitude. A contributing factor was the inadvertent flap retraction. - [NTSB FTW98LA323](https://openairdocs.org/ntsb/FTW98LA323.md): Schweizer SGU 2-22E · Canon City, CO · Accident · Serious injuries · Limited investigation · Final report · Jul 17, 1998 · N9920J · Substantial damage > The pilot's misjudgment of distance/altitude and his premature deployment of the spoilers, resulting in a undershoot and hard landing. - [NTSB FTW98LA312](https://openairdocs.org/ntsb/FTW98LA312.md): Piper PA-30 · Watkins, CO · Accident · Minor injuries · Limited investigation · Final report · Jul 16, 1998 · N444BP · Substantial damage > The pilot misjudged his altitude. Contributing to the accident were unfavorable wind and dark night conditions. - [NTSB FTW96LA314](https://openairdocs.org/ntsb/FTW96LA314.md): Barton Sylkie 1 · Erie, CO · Accident · No injuries · Limited investigation · Final report · Jul 22, 1996 · N711WB · Substantial damage > The pilot passenger's failure to maintain clearance from the fence due to his failure to maintain a proper glide path, and the pilot-in-command's failure to take remedial action in a timely fashion. - [NTSB FTW96LA016](https://openairdocs.org/ntsb/FTW96LA016.md): Cessna 182E · Fort Collins, CO · Accident · No injuries · Limited investigation · Final report · Oct 12, 1995 · N3198Y · Substantial damage > a fatigue failure of the right main landing gear. Factors were the pilot's failure to attain the proper touchdown point and his inadequate compensation for the crosswind conditions. - [NTSB FTW94LA313](https://openairdocs.org/ntsb/FTW94LA313.md): Luscombe 8A · Byers, CO · Accident · No injuries · Limited investigation · Final report · Sep 24, 1994 · N71245 · Substantial damage > Failure by the pilot to maintain a proper descent rate during approach to landing. A factor was lack of experience in make, model, and type of aircraft. - [NTSB DEN90LA194](https://openairdocs.org/ntsb/DEN90LA194.md): Cessna 152 · Erie, CO · Accident · No injuries · Limited investigation · Final report · Sep 28, 1990 · N6581M · Destroyed > The student pilot's misjudgement of distance and altitude, and the instructor's inadequate supervision. - [NTSB DEN88LA047](https://openairdocs.org/ntsb/DEN88LA047.md): Cessna 182G · Aurora, CO · Accident · No injuries · Limited investigation · Final report · Jan 10, 1988 · N3406S · Substantial damage > N3406S was landing on rwy 32, an asphalt rwy 5,000 ft long and 40 ft wide. The rwy was clear and dry, but the terrain surrounding the rwy was covered by 12 to 15 inches of snow. The wind at an arpt 5 mi sw was from 160 deg at 5 KTS. In his rpt of the acdt the… - [NTSB DEN86LA251](https://openairdocs.org/ntsb/DEN86LA251.md): Cessna 172K · Monte Vista, CO · Accident · No injuries · Limited investigation · Final report · Sep 7, 1986 · N79910 · Substantial damage > The flt departed winslow, AZ, and was en route to erie, CO, when the accident occurred. The plt said he decided to divert to Monte Vista to 'take a break' and visit with his parents who lived nearby. The plt said the winds were light and variable with some… - [NTSB DEN86LA226](https://openairdocs.org/ntsb/DEN86LA226.md): Schweizer SGS 2-33A · Durango, CO · Accident · No injuries · Limited investigation · Final report · Aug 9, 1986 · N7590 · Substantial damage > The plt was attempting to land his glider. He said that he was unable to reach the airport and elected to land in a nearby pasture. Prior to touchdown he discovered some cattle in the field but was unable to avoid a collision with one of the animals. The… - [NTSB DEN84LA133](https://openairdocs.org/ntsb/DEN84LA133.md): Cessna 150M · Boulder, CO · Accident · No injuries · Limited investigation · Final report · Apr 24, 1984 · N714ED · Substantial damage > During final approach the acft encountered a downdraft & impacted the ground about 50 ft short of the rwy. The possibility of downdrafts at the approach end of rwy 26 was well known to local plts including the instructor plt (CFI).the CFI reported the wind… - [NTSB DEN83LA210](https://openairdocs.org/ntsb/DEN83LA210.md): Schweizer SGS 2-33A · Durango, CO · Accident · No injuries · Limited investigation · Final report · Sep 4, 1983 · N7590 · Substantial damage > After releasing from an aerial tow about 2,000 ft AGL, the plt was unable to find lifting thermals. The glider began to descend about 800 fpm so the plt maneuvered to return to the airstrip. The glider collided with several small trees short of the rwy. - [NTSB DEN83LA069](https://openairdocs.org/ntsb/DEN83LA069.md): Piper PA-34-200 · Erie, CO · Accident · No injuries · Limited investigation · Final report · Feb 28, 1983 · N8295L · Substantial damage > The plt stated he encountered an unexpected downdraft or shear effect & landed approximately 102 ft short of the rwy. The acft then collided with a bar ditch located about 63 ft from the threshold folding back the main gear. The acft then slid down the… - [NTSB DEN82DA134](https://openairdocs.org/ntsb/DEN82DA134.md): Piper PA-28RT-201 · Englewood, CO · Accident · No injuries · Final report · Jul 13, 1982 · N8277D · Substantial damage > While practicing power off approaches the pilot undershot the runway and landed short. Power was added but not soon enough to prevent an accident. The aircraft contacted the ground, turned 90 degrees, slid 50 yards and stopped. - [NTSB DEN82DA122](https://openairdocs.org/ntsb/DEN82DA122.md): Cessna 340 · Las Animas, CO · Accident · No injuries · Final report · Jun 30, 1982 · N2745B · Substantial damage > The aircraft collided with a four foot high irrigation ditch 50 feet from the approach end of runway 8 during short final. The pilot stated that he had planned the touch down point close to the end of the runway because the runway was only 3800 feet long.… - [NTSB DEN82DA064](https://openairdocs.org/ntsb/DEN82DA064.md): Schweizer SGS-2-33A · Colorado Spring, CO · Accident · No injuries · Final report · Apr 17, 1982 · N2045T · Substantial damage > The student pilot reported that he came over the airport at about 1200 ft AGL to enter a downwind for landing. He stated that he encountered a moderate to strong sink and strong southerly winds. He estimated that the wind velocity was 45 to 50 mph at 1000 ft… - [NTSB DEN82DA042](https://openairdocs.org/ntsb/DEN82DA042.md): Beech A36TC · Boulder, CO · Accident · No injuries · Final report · Mar 12, 1982 · N3738J · Substantial damage > The pilot reported that during a normal approach, he encountered a severe downdraft in winds gusting about 40 to 60 knots. He started to abort the landing by raising the gear and applying full power. The pilot stated that he turned right to avoid a hill, but… ## 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" = 390) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?occurrence=390&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.