Major NTSB investigations, AK
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
| 1968 | 1 |
|---|---|
| 1970 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 1 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1982 | 2 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 3 |
| 1986 | 1 |
| 1987 | 3 |
| 1990 | 1 |
| 1993 | 2 |
| 1997 | 2 |
| 2000 | 1 |
| 2001 | 1 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2013 | 3 |
| 2015 | 1 |
| 2016 | 1 |
| 2019 | 2 |
| 2025 | 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\" = 'AK' 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" = 'AK' 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 ANC25MA018Accident · 10 fatalClass 1 · MajorFinal reportTextron 208B · Nome, AKThe National Transportation Safety Board determines that the probable cause of this accident was the pilot’s inadequate airspeed management due to workload and degraded situation awareness and his improper inputs leading up to and during the aerodynamic…NTSB DCA20MA002Accident · 1 fatalClass 1 · MajorFinal reportSaab 2000 · Unalaska, AKThe landing gear manufacturer’s incorrect wiring of the wheel speed transducer harnesses on the left main landing gear during overhaul. The incorrect wiring caused the antiskid system not to function as intended, resulting in the failure of the left outboard…NTSB 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…NTSB ANC17MA001Accident · 3 fatalClass 1 · MajorFinal reportCessna 208B · Togiak, AKThe flight crew's decision to continue the visual flight rules flight into deteriorating visibility and their failure to perform an immediate escape maneuver after entry into instrument meteorological conditions, which resulted in controlled flight into…NTSB ANC15MA041Accident · 9 fatalClass 1 · MajorFinal reportDehavilland DHC-3 · Ketchikan, AK(1) the pilot's decision to continue visual flight into an area of instrument meteorological conditions, which resulted in his geographic disorientation and controlled flight into terrain; and (2) Promech's company culture, which tacitly endorsed flying in…NTSB ANC14MA008Accident · 5 fatalMajor investigationFinal reportCessna 208B · Saint Marys, AKThe pilot's decision to initiate a visual flight rules approach into an area of instrument meteorological conditions at night and the flight coordinators' release of the flight without discussing the risks with the pilot, which resulted in the pilot…NTSB DCA13MA121Accident · 10 fatalMajor investigationFinal reportDehavilland DHC-3 · Soldotna, AKThe operator's failure to determine the actual cargo weight, leading to the loading and operation of the airplane outside of the weight and center of gravity limits contained in the airplane flight manual, which resulted in an aerodynamic stall. Contributing…NTSB ANC13GA036Accident · 3 fatalClass 1Final reportEurocopter AS350 · Talkeetna, AKThe pilot's decision to continue flight under visual flight rules into deteriorating weather conditions, which resulted in the pilot's spatial disorientation and loss of control. Also causal was the Alaska Department of Public Safety's punitive culture and…NTSB ANC10MA068Accident · 5 fatalClass 1 · MajorFinal reportDehavilland DHC-3 · Aleknagik, AKThe pilot's temporary unresponsiveness for reasons that could not be established from the available information. Contributing to the investigation's inability to determine exactly what occurred in the final minutes of the flight was the lack of a cockpit…NTSB ANC08MA038Accident · 6 fatalMajor investigationFinal reportPiper PA-31-350 · Kodiak, AKThe failure of company maintenance personnel to ensure that the airplane's nose baggage door latching mechanism was properly configured and maintained, resulting in an inadvertent opening of the nose baggage door in flight. Contributing to the accident were…NTSB ANC07MA083Accident · 5 fatalMajor investigationFinal reportde Havilland DHC-2 · Ketchikan, AKAn inadvertent aerodynamic stall resulting from the pilot's poor decision-making and inadequate planning and execution when he took off toward nearby rising terrain, in strong winds, under circumstances where his options for maneuvering were severely limited…NTSB DCA02MA003Accident · 10 fatalMajor investigationFinal reportCessna 208 · Dillingham, AKan in-flight loss of control resulting from upper surface ice contamination that the pilot-in-command failed to detect during his preflight inspection of the airplane. Contributing to the accident was the lack of a preflight inspection requirement for CE-208…NTSB ANC00MA125Accident · 5 fatalMajor investigationFinal reportPiper PA-31T3 · Nuiqsut, AKThe pilot's failure to extend the landing gear, his improper aborted landing procedure, and inadvertent stall/mush. Factors in the accident were an improper adjustment of the landing gear warning horn system by company maintenance personnel, and the failure…NTSB ANC98MA008Accident · 8 fatalMajor investigationFinal reportCessna 208B · Barrow, AKThe pilot's disregard for lateral fuel loading limits, his improper removal of frost prior to takeoff, and the resulting inadvertent stall/spin. Factors involved in this accident were the improper asymmetrical fuel loading which reduced lateral aircraft…NTSB ANC97MA161Accident · 5 fatalMajor investigationFinal reportCessna 208B · Wainwright, AKThe pilot's intentional VFR flight into instrument meteorological conditions and his failure to maintain altitude/clearance from terrain. Factors contributing to the accident were the weather conditions.NTSB DCA93MA037Accident · 2 fatalClass 1 · MajorFinal reportMcdonnell Douglas MD-11 · Shemya, AKThe national transportation safety board determines that the probable cause of this accident was the inadequate design of the flap/slat actuation handle by the Douglas aircraft company that allowed the handle to be easily and inadvertently dislodged from the…NTSB DCA93MA033Accident · No injuriesClass 1 · MajorFinal reportBoeing 747-121 · Anchorage, AKThe lateral separation of the no. 2 engine pylon due to an encounter with severe or possibly extreme turbulence that resulted in dynamic multi-axis lateral loadings that exceeded the ultimate lateral load-carrying capability of the pylon, which was already…NTSB DCA90MA030Accident · Serious injuriesClass 1 · MajorFinal reportBoeing 737-2X6C · Unalakleet, AKDeficiencies in flightcrew coordination, their failure to adequately prepare for and properly execute the unk LOC rwy 14 nonprecision approach and their subsequent premature descent.NTSB DCA88MA011Accident · 6 fatalMajor investigationFinal reportPiper PA-31-350 · Kenai, AKThe pilot had just departed the runway when he reported to the flight service station that he had engine problems. The aircraft was observed by witnesses to be about 300 ft on a descending downwind. The pilot stated that he was circling for runway one.…NTSB DCA88MA005Accident · 18 fatalMajor investigationFinal reportBeech 1900C · Homer, AKDrg arr, the acft (ryan flt 103) crashed short of rwy 3. The fuselage stayed intact drg impact, but the belly structure was compressed & vertical deceleration forces exceeded the design capability of the seats. Rescue psnl had difficulty shutting off the…NTSB ANC87MA057Accident · 2 fatalMajor investigationFinal reportCessna 402 · Anchorage, AKThe acft was on the last leg of a scheduled commuter flight, when it crashed in a heavily wooded area while making a VFR approach to merrill field, Anchorage, AK. The capt and his sole passenger were killed in the crash when the airplane struck the ground…NTSB ANC86MA027Accident · 3 fatalMajor investigationFinal reportCessna 207 · Nome, AKThe acft departed during a break in the wx after having waited for a special VFR departure. His departure radio call was the last communication from the flt. The wx remained marginal with icing in the clouds and freezing drizzle. The acft was on a flt to…NTSB SEA86MA018Accident · 4 fatalMajor investigationFinal reportGates Learjet 24D · Juneau, AKDrg arrival to pick up a med-evac patient, the flt was clrd for an LDA-1 rwy 8 apch via the asort transition. Thus, the plt should have contd se on J-541 twd the ssr VORTAC & intercepted the localizer (LOC) at asort; then track inbnd on theloc (062 deg),…NTSB ANC85MA183Accident · Minor injuriesMajor investigationFinal reportBoeing 737-2X6C · Unalaska, AKAcft was dispatched to rstrctd arpt with a 3900' rwy & notamed: 3' stndg wtr on north end of rwy. SIGMET was in effect for mod to svr turbc blo 10,000' due to strong low lvl wnd & assoc wndshear. Capt made a shallow ovrwtr apch to rwy 12, which had a nr vert…NTSB ANC85MA157Accident · 3 fatalMajor investigationFinal reportGates Learjet 24D · Gulkana, AKDuring a night arrival, the flt was on an instrument apch to the Gulkana arpt when radio contact with the acft was lost. A search was initiated & the wreckage was found 7.4 mi north of the terminal VOR on the 330 deg radial. The inbound course for the VOR rwy…NTSB ANC84MA037Accident · No injuriesMajor investigationFinal reportEmbraer EM-110P1 · Cordova, AKDuring a landing at night, the acft touched down slightly left of the rwy centerline, which was not visible, & began veering to the left. The plt reported that the acft did not respond to rudder inputs, rudder tiller inputs or differential reverse thrust. It…NTSB DCA84AA013Accident · Serious injuriesFinal reportMcDonnell Douglas DC-10-30CF · Anchorage, AKA Piper PA-31, N35206, (south central air flt 59) was cleared to taxi to rwy 6L. The wx at that time was foggy with about 1/8 mi vsiibility, but the RVR was improving & the arpt was expected soon to be acceptable for takeoffs. The PA-31 crew taxied & waited…NTSB DCA82AA022Accident · Serious injuriesFinal reportde Havilland DHC-6-200 · Hooper Bay, AKAt 0833 adt, the acft departed bethel, AK on a scheduled pax/cargo commuter flt to chevak, scammon bay & Hooper Bay, AK. The operator's commuter flts had not landed at scammon bay for svrl days since the rwy was soft & muddy from meltingsnow. Bfr departing…NTSB DCA82AA015Accident · Minor injuriesFinal reportNihon YS-11A · King Salmon, AKThe acft was on a scheduled flt from anchorage to cold bay, AK with intermediate stops at King Salmon & dutch harbor, AK. En route between anchorage & King Salmon, the air temps at cruise altitude were between -36 & -40 deg fahrenheit. While entering donwnd…NTSB DCA79AA002Accident · 5 fatalClosedLear Jet 25C · Anchorage, AKNTSB DCA77AA026Accident · 13 fatalClosedDehavilland DHC-6 · Iliamna, AKNTSB DCA76AZ024Accident · 1 fatalClosedBoeing 727 · Ketchikan, AKNTSB DCA76AZ004Accident · 10 fatalClosedFairchild F-27B · Gambell, AKNTSB ANC74DAG18Accident · No injuriesClosedPiper PA-28 · Aniak, AKNTSB DCA74AZ005Accident · 6 fatalClosedDouglas DC-8 · King Cove, AKNTSB DCA72AZ003Accident · 111 fatalClosedBoeing 727 · Juneau, AKNTSB DCA71AZ012Accident · 47 fatalClosedDouglas DC-8 · Anchorage, AKNTSB DCA69A0008Accident · 3 fatalClosedBoeing 707 · Anchorage, AK