Major NTSB investigations, CO
180,641 investigations by the National Transportation Safety Board since 1962: 174,620 accidents, the rest incidents and other occurrences. Each has NTSB’s narrative and, once the investigation is done, its probable cause; since 2008, its findings and sequence of events.
Cases per year
| 1975 | 1 |
|---|---|
| 1978 | 1 |
| 1981 | 2 |
| 1984 | 2 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 2 |
| 1991 | 1 |
| 1997 | 1 |
| 2001 | 2 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2008 | 1 |
| 2015 | 1 |
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.board_report_url IS NOT NULL OR c.\"investigationClass\" = 'Class 1' OR c.\"caseType\" = 'Major - Launch')
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.board_report_url IS NOT NULL OR c."investigationClass" = 'Class 1' OR c."caseType" = 'Major - Launch') 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 CEN15MA290Accident · 1 fatalClass 1 · MajorFinal reportAirbus Helicopters AS350B3E · Frisco, COAirbus Helicopters' dual-hydraulic AS350 B3e helicopter's (1) preflight hydraulic check, which depleted hydraulic pressure in the tail rotor hydraulic circuit, and (2) lack of salient alerting to the pilot that hydraulic pressure was not restored before…NTSB DCA09MA021Accident · Serious injuriesClass 1 · MajorFinal reportBoeing 737-524 · Denver, COThe captain’s cessation of right rudder input, which was needed to maintain directional control of the airplane, about 4 seconds before the excursion, when the airplane encountered a strong and gusty crosswind that exceeded the captain’s training and…NTSB DCA05MA037Accident · 8 fatalClass 1 · MajorFinal reportCessna 560 · Pueblo, COthe flight crew's failure to effectively monitor and maintain airspeed and comply with procedures for deice boot activation on the approach, which caused an aerodynamic stall from which they did not recover. Contributing to the accident was the Federal…NTSB DEN05MA029Accident · 3 fatalClass 1 · MajorFinal reportCanadair CL-600-2A12 · Montrose, COthe 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 DEN03MA035Accident · 5 fatalMajor investigationFinal reportPiper PA-31T · Denver, COBoth pilots' inadequate visual lookout. A contributing factor was the Cheyenne pilot operating the airplane with a known transponder deficiency.NTSB DCA01MA034Accident · 18 fatalClass 1 · MajorFinal reportGrumman Gulfstream III · Aspen, COthe flight crew's operation of the airplane below the minimum descent altitude without an appropriate visual reference for the runway. Contributing to the cause of the accident were the Federal Aviation Administration's (FAA) unclear wording of the March 27,…NTSB DCA01MA017Accident · 10 fatalClass 1 · MajorFinal reportBeech 200 · Strasburg, COThe pilot’s spatial disorientation resulting from his failure to maintain positive manual control of the airplane with the available flight instrumentation. Contributing to the cause of the accident was the loss of a.c. electrical power during instrument…NTSB DCA98MA002Accident · 9 fatalMajor investigationFinal reportCessna 208B · Montrose, COthe pilot's failure to maintain sufficient airspeed for undetermined reasons while maneuvering the airplane near the maximum gross weight and aft cg in or near instrument meteorological conditions, resulting in the loss of control and entry into a stall/spin.…NTSB DCA91MA023Accident · 25 fatalClass 1 · MajorFinal reportBoeing 737-291 · Colorado Spgs, COA loss of control of the airplane resulting from the movement of the rudder surface to its blowdown limit. The rudder surface most likely deflected in a direction opposite to that commanded by the pilots as a result of a jam of the main rudder power control…NTSB DEN88MA203Accident · Minor injuriesMajor investigationFinal reportMcdonnell Douglas DC-10-10 · Denver, COAs the capt was deploying reversers drg lndg, #2 & #3 reversers unlocked & deployed (green lgt cond), but #1 reverser was binding & only moved to the unlocked psn (amber lgt cond). Capt was not warned of this cond, though 2nd officer should have monitored…NTSB DCA88MA017Accident · 9 fatalMajor investigationFinal reportFairchild SA-227AC · Bayfield, COThe aircraft was operating as Continental express flight 2286. During the approach in IFR conditions, the aircraft went below the minimum descent altitude then struck the terrain at 7180 feet MSL. Exam of the aircraft did not disclose any pre-impact failures…NTSB DCA88MA004Accident · 28 fatalMajor investigationFinal reportMcdonnell Douglas DC-9-14 · Denver, COThe Safety Board's full report on this investigation is provided as Aviation Accident Report number AAR-88/09. To obtain a copy of this report, or to view the executive summary online, please see the Web site at http://www.ntsb.gov/publictn/publictn.htm…NTSB DEN86MA061Accident · 5 fatalMajor investigationFinal reportCessna 425 · Granby, CODrg arrival, the plt advised ARTCC that the destination arpt appeared to be covered with fog. She then canceled her IFR flt plan. According to ground witnesses, the acft made several passes over the arpt. Witnesses also rprtd that the horizontal visibility…NTSB DEN84MA247Accident · 3 fatalMajor investigationFinal reportCessna 421C · Fort Lupton, CODuring a preflt wx briefing, the plt was advised of thunderstorms & intense rain showers on the route of flt. However, he filed an IFR flt plan & took off. During flt, the ATC controller advised the plt of a level 6 cell ahead & noted that he had no report on…NTSB DCA84AA025Accident · No injuriesFinal reportBoeing 727-222 · Denver, COBefore takeoff, the crew of N7647U (ua flt 663) noted cumulus clouds & virga in the area. At 1327, a Dehavilland dash 7 crew rprtd a 25 kt loss of airspeed, but svrl other acft then took off without rprtg a problem. Due to radio conjestion,the captain did not…NTSB DCA82AA007Accident · 4 fatalClosedPiper PA-31 · Durango, CONTSB DCA81AA015Accident · 15 fatalClosedHandly Page HP-137 · Loveland, CONTSB DCA79AA003Accident · 2 fatalClosedDehavilland DHC-6 · Steamboat Spgs, CONTSB DCA76AZ002Accident · Serious injuriesClosedBoeing 727 · Denver, CO