# NTSB investigations, AK: Midair collision NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB ANC23LA071](https://openairdocs.org/ntsb/ANC23LA071.md): Bell Helicopter Textron Canada 206L-4 · King Salmon, AK · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 5, 2023 · N193AL · 2 aircraft · Substantial damage > The failure of both pilots to see and avoid while en route, which resulted in a midair collision. - [NTSB ANC22LA002](https://openairdocs.org/ntsb/ANC22LA002.md): Cessna 180J · Chickaloon, AK · Accident · No injuries · Class 4 · Limited · Final report · Oct 13, 2021 · N9966N · 2 aircraft · Substantial damage > A mid-air collision for reasons that could not be determined based on the available evidence. - [NTSB ANC22LA001](https://openairdocs.org/ntsb/ANC22LA001.md): Robinson Helicopter R44 II · Palmer, AK · Accident · No injuries · Class 4 · Limited · Final report · Oct 10, 2021 · N555EL · 2 aircraft · Substantial damage > The unmanned aircraft pilot’s failure to yield the right of way to the helicopter. - [NTSB ANC20LA085](https://openairdocs.org/ntsb/ANC20LA085.md): Cessna A185 · Fairbanks, AK · Accident · 2 fatal · Class 3 · Limited · Final report · Aug 27, 2020 · N714KH · 2 aircraft · Destroyed > The 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. - [NTSB ANC20LA074](https://openairdocs.org/ntsb/ANC20LA074.md): De Havilland DHC-2 · Soldotna, AK · Accident · 7 fatal · Class 3 · Limited · Final report · Jul 31, 2020 · N4982U · 2 aircraft · Substantial damage > The 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… - [NTSB CEN19MA141](https://openairdocs.org/ntsb/CEN19MA141.md): De Havilland DHC-2 · Ketchikan, AK · Accident · 6 fatal · Class 1 · Major · Final report · May 13, 2019 · N952DB · 2 aircraft · Destroyed > The 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… - [NTSB ANC18FA045](https://openairdocs.org/ntsb/ANC18FA045.md): Cessna 175 · Anchorage, AK · Accident · 1 fatal · Field investigation · Final report · Jun 13, 2018 · N9423B · 2 aircraft · Substantial damage > The failure of both pilots to see and avoid the other airplane while in level cruise flight, which resulted in a midair collision. - [NTSB ANC16FA061](https://openairdocs.org/ntsb/ANC16FA061.md): Cessna 208 · Russian Mission, AK · Accident · 5 fatal · Field investigation · Final report · Aug 31, 2016 · N752RV · 2 aircraft · Destroyed > The failure of both pilots to see and avoid each other while in level cruise flight, which resulted in a midair collision. - [NTSB ANC16FA052](https://openairdocs.org/ntsb/ANC16FA052.md): Cessna 210-5 · Wasilla, AK · Accident · Minor injuries · Field investigation · Final report · Aug 5, 2016 · N1839Z · 2 aircraft · Substantial damage > The 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… - [NTSB ANC15LA033](https://openairdocs.org/ntsb/ANC15LA033.md): Cessna 185 · Talkeetna, AK · Accident · Serious injuries · Limited investigation · Final report · Jun 1, 2015 · N1694M · 2 aircraft · Substantial damage > The 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. - [NTSB ANC15FA009](https://openairdocs.org/ntsb/ANC15FA009.md): Piper PA 18 · Wasilla, AK · Accident · Serious injuries · Field investigation · Final report · Jan 31, 2015 · N82735 · 2 aircraft · Substantial damage > Both 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. - [NTSB ANC11FA091](https://openairdocs.org/ntsb/ANC11FA091.md): Cessna 208B · Nightmute, AK · Accident · 1 fatal · Field investigation · Final report · Sep 2, 2011 · N207DR · 2 aircraft · Destroyed > The 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. - [NTSB ANC11FA071](https://openairdocs.org/ntsb/ANC11FA071.md): Cessna U206G · Talkeetna, AK · Accident · 4 fatal · Field investigation · Final report · Jul 30, 2011 · N756MP · 2 aircraft · Minor damage > The 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… - [NTSB ANC11FA062](https://openairdocs.org/ntsb/ANC11FA062.md): Cessna U206 · Port Alsworth, AK · Accident · No injuries · Field investigation · Final report · Jul 10, 2011 · N2186F · 2 aircraft · Minor damage > The 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… - [NTSB ANC10LA094](https://openairdocs.org/ntsb/ANC10LA094.md): Piper PA-18 · Dillingham, AK · Accident · Serious injuries · Limited investigation · Final report · Sep 16, 2010 · N9699P · 2 aircraft · Substantial damage > Both 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. - [NTSB ANC09LA011](https://openairdocs.org/ntsb/ANC09LA011.md): Cessna 152 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Nov 14, 2008 · N47417 · 2 aircraft · Minor damage > The 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. ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```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 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 ``` This list as a web page: https://openairdocs.org/ntsb-events/250/sequence?state=AK --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.