NTSB investigations, AK

16 cases where the sequence of events included Midair collision.

Cases per year

20082026
NTSB investigations, AK per year, 2008–2026: 16 cases
20081
20101
20113
20152
20162
20181
20191
20202
20212
20231

Latest 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\" = 'AK' 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\" = '250' 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.

NTSB ANC23LA071Accident · Minor injuriesClass 3 · LimitedFinal reportBell Helicopter Textron Canada 206L-4 · King Salmon, AKThe failure of both pilots to see and avoid while en route, which resulted in a midair collision.Sep 5, 2023 · N193AL · 2 aircraft · Substantial damageNTSB ANC22LA002Accident · No injuriesClass 4 · LimitedFinal reportCessna 180J · Chickaloon, AKA mid-air collision for reasons that could not be determined based on the available evidence.Oct 13, 2021 · N9966N · 2 aircraft · Substantial damageNTSB ANC22LA001Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Palmer, AKThe unmanned aircraft pilot’s failure to yield the right of way to the helicopter.Oct 10, 2021 · N555EL · 2 aircraft · Substantial damageNTSB ANC20LA085Accident · 2 fatalClass 3 · LimitedFinal reportCessna A185 · Fairbanks, AKThe PA-18 pilot’s failure to see and avoid the Cessna 185 as it was landing. Contributing to the accident was the PA-18 pilot’s failure to hear the traffic advisory provided by the air traffic control tower.Aug 27, 2020 · N714KH · 2 aircraft · DestroyedNTSB ANC20LA074Accident · 7 fatalClass 3 · LimitedFinal reportDe Havilland DHC-2 · Soldotna, AKThe failure of both pilots to see and avoid the other airplane. Contributing to the accident were (1) the PA-12 pilot’s decision to fly with a known severe vision deficiency that had resulted in denial of his most recent application for medical certification…Jul 31, 2020 · N4982U · 2 aircraft · Substantial damageNTSB CEN19MA141Accident · 6 fatalClass 1 · MajorFinal reportDe Havilland DHC-2 · Ketchikan, AKThe inherent limitations of the see-and-avoid concept, which prevented the two pilots from seeing the other airplane before the collision, and the absence of visual and aural alerts from both airplanes’ traffic display systems, while operating in a geographic…May 13, 2019 · N952DB · 2 aircraft · DestroyedNTSB ANC18FA045Accident · 1 fatalField investigationFinal reportCessna 175 · Anchorage, AKThe failure of both pilots to see and avoid the other airplane while in level cruise flight, which resulted in a midair collision.Jun 13, 2018 · N9423B · 2 aircraft · Substantial damageNTSB ANC16FA061Accident · 5 fatalField investigationFinal reportCessna 208 · Russian Mission, AKThe failure of both pilots to see and avoid each other while in level cruise flight, which resulted in a midair collision.Aug 31, 2016 · N752RV · 2 aircraft · DestroyedNTSB ANC16FA052Accident · Minor injuriesField investigationFinal reportCessna 210-5 · Wasilla, AKThe failure of both pilots to see and avoid each other while landing at a non-tower-controlled airport, which resulted in a midair collision. Contributing to the accident was the absence of radio calls from the Cessna during the traffic pattern preceding the…Aug 5, 2016 · N1839Z · 2 aircraft · Substantial damageNTSB ANC15LA033Accident · Serious injuriesLimited investigationFinal reportCessna 185 · Talkeetna, AKThe other pilot’s failure to maintain an adequate visual lookout, which resulted in a midair collision. Contributing to the accident was the other pilot’s failure to follow Federal Aviation Administration-recommended traffic pattern procedures.Jun 1, 2015 · N1694M · 2 aircraft · Substantial damageNTSB ANC15FA009Accident · Serious injuriesField investigationFinal reportPiper PA 18 · Wasilla, AKBoth pilots’ inadequate visual lookout and failure to see and avoid each other while in level cruise flight, which resulted in a midair collision. Contributing to the accident was the obscuration of the other pilot’s visibility due to sun glare.Jan 31, 2015 · N82735 · 2 aircraft · Substantial damageNTSB ANC11FA091Accident · 1 fatalField investigationFinal reportCessna 208B · Nightmute, AKThe failure of the pilot of the other airplane to maintain adequate clearance while performing an unexpected and unannounced abrupt maneuver, resulting in a midair collision between the two airplanes.Sep 2, 2011 · N207DR · 2 aircraft · DestroyedNTSB ANC11FA071Accident · 4 fatalField investigationFinal reportCessna U206G · Talkeetna, AKThe inadequate visual lookout and failure to see and avoid by the pilots of both airplanes while maneuvering to land, which resulted in a midair collision. Contributing to the accident was the lack of standardized, unequivocal procedures concerning common…Jul 30, 2011 · N756MP · 2 aircraft · Minor damageNTSB ANC11FA062Accident · No injuriesField investigationFinal reportCessna U206 · Port Alsworth, AKThe pilot’s failure to see and avoid the approaching airplane. Contributing to the accident was that the pilot’s failure to listen to radio position reports from the other airplane on the common traffic advisory frequency and the absence of any forward-facing…Jul 10, 2011 · N2186F · 2 aircraft · Minor damageNTSB ANC10LA094Accident · Serious injuriesLimited investigationFinal reportPiper PA-18 · Dillingham, AKBoth pilots’ failure to see and avoid each other during initial climb, resulting in a midair collision. Contributing to the accident was the pilot of N9699P’s inability to use his airplane's radio for air traffic advisories.Sep 16, 2010 · N9699P · 2 aircraft · Substantial damageNTSB ANC09LA011Accident · No injuriesLimited investigationFinal reportCessna 152 · Fairbanks, AKThe failure of the instructor pilot in the other airplane to maintain separation from the Cessna 182R, and his failure to follow the tower controller’s instructions.Nov 14, 2008 · N47417 · 2 aircraft · Minor damage