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NTSB investigations, AK

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

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Cases per year

19832026

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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" = 'AK' 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\" = 'AK' 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" = 'AK' 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 ANC06FA048Accident · 5 fatalField investigationFinal reportCessna 170B · Chugiak, AKThe inadequate visual lookout by the pilots of both airplanes during cruise flight, which resulted in their failure to see-and-avoid each other, and a subsequent midair collision.Apr 23, 2006 · N4488B · 2 aircraft · Destroyed NTSB ANC02LA098Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Ketchikan, AKThe pilot's failure to maintain an adequate visual outlook during cruise climb, which resulted in a midair collision between the two airplanes.Aug 19, 2002 · N64393 · 2 aircraft · Minor damage NTSB ANC98FA061Accident · 2 fatalField investigationFinal reportAerospatiale AS-350-B2 · Juneau, AKThe failure of both command pilots to maintain an adequate lookout to see and avoid each other's aircraft. Factors associated with the accident were the pilot's failure to follow published advisory procedures to monitor/issue position reports on the…May 31, 1998 · N187EH · 2 aircraft · Substantial damage NTSB ANC97FA051Accident · 2 fatalField investigationFinal reportCessna 185 · Tatitlek, AKThe command pilots of both airplanes inadequate visual outlook which led to their failure to see and avoid each other's airplane. A factor associated with the accident was sunglare.Apr 9, 1997 · N59AK · 2 aircraft · Minor damage NTSB ANC97FA037Accident · 2 fatalField investigationFinal reportShort Brothers SC7 · Nunapitchuk, AKinadequate visual look-out by the pilots of both airplanes, which resulted in their failure to see-and-avoid each other's airplanes.Mar 25, 1997 · N451SA · 2 aircraft · Destroyed NTSB ANC96LA111Accident · Minor injuriesLimited investigationFinal reportMcDonnell Douglas MD369D · Healy, AKThe inadequate visual outlook by the pilots of both aircraft, and their failure to see and avoid the other aircraft. A factor associated with the accident was sunglare affecting the helicopter pilot's vision.Aug 4, 1996 · N58269 · 2 aircraft · No damage NTSB ANC96LA093Accident · No injuriesLimited investigationFinal reportCessna 206 · Anchorage, AKThe pilot of the Cessna 180, N5020E, disregard of an air traffic control clearance/instruction to hold short. A factor in the accident was the failure of both pilots to maintain an adequate visual lookout for other aircraft.Jun 29, 1996 · N5244Z · 2 aircraft · Substantial damage NTSB ANC95LA127Accident · No injuriesLimited investigationFinal reportCessna 206 · Sterling, AKFailure of both pilot's to maintain adequate visual lookout. The low angle of the sun was a related factor.Aug 4, 1995 · N206EJ · 2 aircraft · Substantial damage NTSB ANC95FA104Accident · 2 fatalField investigationFinal reportCessna 172A · Naknek, AKInadequate visual lookout by the pilot of the Piper PA-18. The PA-18 pilot's diverted attention was a related factor.Jul 15, 1995 · N9827T · 2 aircraft · Destroyed NTSB ANC95FA078Accident · 5 fatalField investigationFinal reportde Havilland DHC-2 · Nondalton, AKThe failure of both pilots to maintain adequate visual lookout.Jun 21, 1995 · N1348 · 2 aircraft · Destroyed NTSB ANC93FA114Accident · 4 fatalField investigationFinal reportPiper PA-16 · Fairbanks, AKFailure of the pilots of both airplanes to see and avoid each other, and the alcohol impairment of the pilot-in-command of the PA-16, N5960H. A factor which contributed to the accident was the sunglare.Jul 9, 1993 · N5960H · 2 aircraft · Substantial damage NTSB ANC92FA069Accident · No injuriesField investigationFinal reportCessna 172 · Ruth Glacier, AKThe failure of the pilots of both airplanes to maintain an adequate visual lookout. Factors which contributed to the accident was the failure of the pilot of the CE-172 to become aware of and to use the listed frequency for inter aircraft communications, and…May 9, 1992 · N73813 · 2 aircraft · Substantial damage NTSB ANC91FA050Accident · 1 fatalField investigationFinal reportPiper PA-18-150 · Tatitlek, AKFailure of both pilots to see-and-avoid each other (inadequate visual lookout). A factor related to the accident was: inadequate communication among all participating aircrews.Apr 9, 1991 · N6966D · 2 aircraft · Substantial damage NTSB ANC90FA167Accident · 2 fatalField investigationFinal reportTaylorcraft DCO-75 · Mckinley Park, AKFailure of both pilots to maintain adequate visual lookout to see-and-avoid other aircraft.Sep 8, 1990 · N49032 · 2 aircraft · Destroyed NTSB ANC90LA090Accident · No injuriesLimited investigationFinal reportCessna 206U · Taku, AKFailure of the pilot of N9735Z (C-206U) to see and avoid N756EJ (C-206G), and failure of company management to establish adequate separation procedures.Jun 17, 1990 · N9735Z · 2 aircraft · Minor damage NTSB ANC88FA063Accident · 4 fatalField investigationFinal reportCessna 206 · Dillingham, AKA Cessna 206 airplane and an aerospatiale AS350D helicopter collided in midair one-half mile south of the Dillingham airport, Dillingham, AK. Both aircraft had been communicating with the Dillingham flight service station and had received the appropriate…May 25, 1988 · N4882U · 2 aircraft · Destroyed NTSB ANC88FA052Accident · 1 fatalField investigationFinal reportPiper PA-18-150 · Larson Bay, AKA float equipped Piper PA-18-150 and float equipped Cessna 185F, were involved in a midair collision at an altitude of approximately 800 feet MSL over Larson Bay, AK. At the time of the midair collision both aircraft were being used as fish spotters for…May 3, 1988 · N54768 · 2 aircraft · Destroyed NTSB SEA87FA162Accident · 2 fatalField investigationFinal reportHughes 369D · Ketchikan, AKN58318 (Hughes 369, under contract with us geological survey) was inbnd fm se to lnd at Ketchikan-temsco heliport (6Z4) as N73WS (Cessna 185 amphibian) was depg se fm Ketchikan intl arpt (ktn). Ktn & 6Z4 were located in tongass narrows withmtns NE & sw. Rprtd…Aug 12, 1987 · N58318 · 2 aircraft · Destroyed NTSB ANC86LA072Accident · Minor injuriesLimited investigationFinal reportPiper PA-18 · Fairbanks, AKThe pilots of each acft stated they thought that the left float and prop of the Taylorcraft had come in contact with the rt wing and rt landing gear of the Piper. The plts failed to see the other acft in time to avoid the collision. Both acft nosed over…Jun 12, 1986 · N8597D · 2 aircraft · Substantial damage NTSB ANC85FA163Accident · 6 fatalField investigationFinal reportCessna 180H · Mt. Palmer, AKAircraft collided with Cessna 180 and crashed on mountain side about one-quarter mile apart. Piper was sightseeing and Cessna was spotting sheep. Scattered clouds were reported about 300 feet above the points of ground impact.Aug 25, 1985 · N417GP · 2 aircraft · Destroyed NTSB ANC85LA109Accident · No injuriesLimited investigationFinal reportCessna 207 · Emmonak, AKThe pilot-in-command stated he was passed by the airplane N9975M and did not see it again until he was at his right rear and slightly below. The propeller of N9975M struck the aileron and during the evasive maneuvering the left main gear of N9975M struck the…May 12, 1985 · N9975M · 2 aircraft · Minor damage NTSB ANC84FA080Accident · 2 fatalField investigationFinal reportCessna 180G · Tyonek, AKTaking off from an abandoned road near a fishing camp, the Cessna turned back and descended with power on over his departure point, heading into the sun which was low on the horizon. It collided left wing to left wing with the Maule which had climbed out at a…Jun 2, 1984 · N4708U · 2 aircraft · Destroyed NTSB ANC84FA073Accident · 2 fatalField investigationFinal reportPiper PA-18-150 · Platinum, AKThe herring season was to open at 1600 hrs. According to witnesses, about 30 acft were circling in left turns over merging schools of herring while the plts & their respective boat crews were awaiting the opening signal. The acft were circling under a low…May 21, 1984 · N82454 · 2 aircraft · Destroyed NTSB ANC84FA059Accident · No injuriesField investigationFinal reportCessna 152 · Anchorage, AKA student plt in a Cessna 152, N45928, was inbound to land on rwy 33 at merrill field at the same time that another student plt in Cessna 152, N6479L, was departing from rwt 15. The student in N6479L was cleared for a 'city high' departure. After taking off,…Apr 25, 1984 · N45928 · 2 aircraft · Substantial damage NTSB ANC83LA049Accident · No injuriesLimited investigationFinal reportRaven RX-7 · Anchorage, AKThe two balloons collided in mid air. One (N4195L) suffered a rip in the envelope which negated its lift, with burner full on. It descended at 500 RPM and made a hard landing. The hole in the envelope extended across 5 gore panels. The 2 balloons departed the…Feb 28, 1983 · N4195L · 2 aircraft · Substantial damage