NTSB investigations, CO
23 cases where the sequence of events included Unknown or undetermined.
Cases per year
| 2010 | 2 |
|---|---|
| 2011 | 1 |
| 2015 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 8 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 2 |
Where
Open the mapLatest cases
Query with SQL
duckdb -csv -c "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\" = '000' 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"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
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" = '000' 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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CEN27LA005Accident · 2 fatalClass 3 · LimitedPreliminary reportDiamond Aircraft Ind DA 40 · Eldorado Springs, COOn October 4, 2026, about 2130 mountain daylight time, a Diamond Aircraft DA-40 airplane, N162GL, was destroyed when it was involved in an accident near Eldorado Springs, Colorado. The pilot and passenger were fatally injured. The airplane was operated as a…NTSB ANC26FA097Accident · 2 fatalClass 3 · FieldPreliminary reportCessna T206H · Dunton, COOn September 3, 2026, about 1518 mountain daylight time, a Cessna T206H airplane, N919CW, was destroyed when it was involved in an accident near Dunton, Colorado. The pilot and passenger were fatally injured. The flight was operated as a Title 14 Code of…NTSB CEN25FA247Accident · 1 fatalClass 3 · FieldPreliminary reportZenith CH601 · Pawnee National Grassland, COOn July 12, 2025, about 1250 mountain daylight time, a Zenith CH601 HDS airplane, N314LB was destroyed when it was involved in an accident in the Pawnee National Grasslands, Colorado. The pilot was fatally injured. The airplane was operated under the…NTSB CEN24LA344Accident · Serious injuriesClass 3 · LimitedFinal reportBellanca 7GCAA · Rifle, COA total loss of engine power for undetermined reasons.NTSB CEN23FA391Accident · 1 fatalClass 3 · FieldFinal reportSchleicher Alexander ASH 26 E · Wellington, COThe pilot’s loss of glider control during approach for reasons that could not be determined, which resulted in an aerodynamic stall at an altitude too low for recovery.NTSB CEN23LA049Accident · No injuriesClass 3 · LimitedFinal reportCessna 182A · Durango, COA complete loss of engine power for reasons that could not be determined from the available evidence.NTSB CEN22FA376Accident · 1 fatalClass 3 · FieldFinal reportCessna 182Q · Centennial, COThe loss of engine power during a departure climb for undetermined reasons and the aerodynamic stall, which resulted in an uncontrolled descent and impact with terrain.NTSB WPR22FA256Accident · 4 fatalClass 3 · FieldFinal reportCessna T337G · Gold Hill, COThe pilot’s exceedance of the airplane’s critical angle of attack while maneuvering with one engine inoperative, which resulted in an aerodynamic stall/spin and impact with terrain.NTSB CEN22LA308Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV6 · Aurora, COA total loss of engine power due to foreign object debris blockage of engine air intake. The source of the debris could not be determined based on the available information.NTSB CEN22FA208Accident · 2 fatalClass 3 · FieldFinal reportPiper PA-32-260 · Broomfield, COThe pilot’s failure to abort the takeoff due to degraded engine performance. Contributing to the accident was the reduced performance of the engine, the reason for which could not be determined.NTSB CEN22FA197Accident · 1 fatalClass 3 · FieldFinal reportCessna 172 · Broomfield, COThe pilot’s failure to maintain control of the airplane for reasons that could not be determined.NTSB CEN22LA137Accident · Minor injuriesClass 3 · LimitedFinal reportCessna P210N · Englewood, COA total loss of engine power on short final for reasons that could not be determined based on the available evidence.NTSB CEN22LA093Accident · No injuriesClass 3 · LimitedFinal reportZenith CH750 · Montrose, COA partial loss of engine power for reasons that could not be determined based on the available evidence.NTSB CEN21LA414Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172S · LaSalle, COA loss of engine power for undetermined reasons.NTSB CEN21LA404Accident · No injuriesClass 3 · LimitedFinal reportCessna 182 · Delta, COA 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 CEN21LA325Accident · Serious injuriesClass 3 · LimitedFinal reportBeech 35-C33 · Longmont, COThe 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 CEN20LA278Accident · 1 fatalClass 3 · LimitedFinal reportGrumman G164 · Springfield, COThe pilot’s loss of visibility in the cockpit due to foam created by the chemicals loaded in the hopper, which resulted in collision with terrain. Contributing to the accident was the combining of chemicals known to produce foam and the pilot’s failure to…NTSB CEN19LA085Accident · Serious injuriesClass 3 · LimitedFinal reportTecnam P92 · Englewood, COThe loss of engine power for undetermined reasons, because the airplane wreckage was sold and relocated before the engine could be examined.NTSB CEN18LA335Accident · No injuriesLimited investigationFinal reportCessna R172E · Colorado Springs, COThe airplane’s failure to maintain a climb after takeoff, which resulted in a forced landing on unsuitable terrain; the reason for the airplane’s failure to climb could not be determined based on the available evidence.NTSB CEN15FA141Accident · 2 fatalField investigationFinal reportRichard Lacourse Wheeler Express · Kersey, COThe pilot's failure to maintain airplane control during an off-airport forced landing following a total loss of engine power for reasons that could not be determined during postaccident examination of the engine. Contributing to the accident was the pilots'…NTSB CEN11CA662Accident · No injuriesData collectionFinal reportPiper PA-30 · Saguache, COThe pilot's failure to maintain airplane control during the aborted takeoff.NTSB CEN11FA130Accident · 1 fatalField investigationFinal reportCessna 210B · Loveland, COThe pilot's intentional flight into terrain.NTSB CEN10CA362Accident · Minor injuriesData collectionFinal reportHiller UH-12E · Grand Junction, COThe total loss of engine power for undetermined reasons.