NTSB investigations, CO

10 cases where the first occurrence was “Midair collision”.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19862026

NTSB investigations, CO per year, 1986–2026: 10 cases
1986	1
1987	1
1989	1
1996	2
1999	2
2003	2
2004	1

Where

Open the map

Latest cases

Query with 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" = 270) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 270)
  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 o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 270)
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 DEN05IA025Incident · No injuriesIncident investigationFinal reportBlair-American USA · Fort Collins, COthe 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…Nov 12, 2004 · N1518 · 2 aircraft · No damage NTSB DEN03LA130Accident · No injuriesLimited investigationFinal reportAerostar RX-8 · Snowmass Villag, COthe failure of the pilot of balloon #2 to maintain clearance from balloon #1 while overtaking him.Jul 16, 2003 · N35965 · 2 aircraft · Substantial damage 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.Jan 25, 2003 · N360LL · 2 aircraft · Destroyed NTSB DEN00LA016Accident · No injuriesLimited investigationFinal reportCessna 150E · Longmont, COThe pilot of the other aircraft's failure to follow right-of-way VFR procedures and inadequate visual lookout.Nov 7, 1999 · N6158T · 2 aircraft · Substantial damage NTSB DEN99FA077Accident · No injuriesField investigationFinal reportCessna 172Q · Greeley, COFailure of both the pilot receiving instruction and the flight instructor to maintain a visual lookout. A factor was the failure of the other pilot to maintain a visual lookout.May 13, 1999 · N96299 · 2 aircraft · Minor damage NTSB FTW96FA279Accident · 2 fatalField investigationFinal reportPrevatt RV-6 · Boulder, COPoor judgment by the pilot of the RV-6, N194JP, in that he traversed an uncontrolled airport at traffic pattern altitude, failure of the pilots of both airplanes to see and avoid each other, and an inadvertent airplane stall encountered by the pilot of the…Jun 29, 1996 · N194JP · 2 aircraft · Destroyed NTSB FTW96FA208Accident · 1 fatalField investigationFinal reportJerrell RV-4 · Englewood, COfailure of the pilot of the RV-4, N44AZ, to comply with an ATC clearance by landing on the wrong runway, and the failure of the pilot of the SU-29, N55SU, to maintain an adequate visual lookout. Factors in the accident were: the failure of the air traffic…May 11, 1996 · N44AZ · 2 aircraft · Destroyed NTSB DEN89FA083Accident · 4 fatalField investigationFinal reportCraven'S Quickie Q2 · Watkins, COFailure of both pilot's to maintain visual lookout.Mar 8, 1989 · N3278C · 2 aircraft · Destroyed NTSB DEN87FA091Accident · 1 fatalField investigationFinal reportGrumman G-164A · Lamar, COThe aircraft had completed a formation aerial application operation and were in the process of single airplane spraying around the perimeters of a field. They collided at 10 feet above the ground on perpendicular flight paths, descended out of control and…Apr 8, 1987 · N8369 · 2 aircraft · Destroyed NTSB DEN86FA208Accident · 1 fatalField investigationFinal reportPiper PA-46-310P · Boulder, COThe purpose of the flt for both acft was an aerial photo mission. N5113S was used as the camera platform. The plts of N5113S and N4346L discussed prior to takeoff the procedures of the flt. Both acft departed and flew a course to position the airplanes on a…Jul 26, 1986 · N4346L · 2 aircraft · Destroyed