NTSB investigations, 2020, 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
| 1962 | 9 |
|---|---|
| 1963 | 11 |
| 1964 | 171 |
| 1965 | 158 |
| 1966 | 174 |
| 1967 | 167 |
| 1968 | 173 |
| 1969 | 201 |
| 1970 | 211 |
| 1971 | 214 |
| 1972 | 195 |
| 1973 | 211 |
| 1974 | 224 |
| 1975 | 249 |
| 1976 | 296 |
| 1977 | 251 |
| 1978 | 265 |
| 1979 | 228 |
| 1980 | 239 |
| 1981 | 227 |
| 1982 | 199 |
| 1983 | 211 |
| 1984 | 216 |
| 1985 | 203 |
| 1986 | 186 |
| 1987 | 189 |
| 1988 | 179 |
| 1989 | 193 |
| 1990 | 193 |
| 1991 | 176 |
| 1992 | 192 |
| 1993 | 191 |
| 1994 | 138 |
| 1995 | 173 |
| 1996 | 161 |
| 1997 | 157 |
| 1998 | 172 |
| 1999 | 159 |
| 2000 | 140 |
| 2001 | 131 |
| 2002 | 139 |
| 2003 | 120 |
| 2004 | 107 |
| 2005 | 129 |
| 2006 | 96 |
| 2007 | 105 |
| 2008 | 108 |
| 2009 | 101 |
| 2010 | 91 |
| 2011 | 104 |
| 2012 | 112 |
| 2013 | 94 |
| 2014 | 79 |
| 2015 | 77 |
| 2016 | 97 |
| 2017 | 75 |
| 2018 | 93 |
| 2019 | 87 |
| 2020 | 80 |
| 2021 | 92 |
| 2022 | 84 |
| 2023 | 75 |
| 2024 | 80 |
| 2025 | 86 |
| 2026 | 63 |
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 year(c.\"eventDate\") = 2020
AND c.\"eventStateOrRegion\" = 'AK' AND c.\"eventCountry\" = 'USA'
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 year(c."eventDate") = 2020 AND c."eventStateOrRegion" = 'AK' AND c."eventCountry" = 'USA' 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 ANC21LA010Accident · Minor injuriesClass 4 · LimitedFinal reportCessna 172R · Hope, AKThe pilot’s selection of unsuitable terrain for landing. A factor was the certified flight instructor’s selection of unsuitable terrain for landing.NTSB ANC21LA008Accident · No injuriesClass 4 · LimitedFinal reportPiper PA18 · Juneau, AKThe solo student pilot’s failure to maintain directional control during taxi in strong crosswind conditions, which resulted in a loss of control and subsequent impact with a ditch.NTSB ANC21LA002Accident · No injuriesClass 4 · LimitedFinal reportCessna 185 · Anchorage, AKThe pilot receiving instruction’s failure to maintain directional control during the landing roll, which resulted in a runway excursion onto soft terrain. Contributing to the accident was the flight instructor's inadequate supervision of the pilot while…NTSB ANC21LA001Accident · No injuriesClass 4 · LimitedFinal reportDouglas C54 · Yakataga, AKThe pilots’ decision to land on a wet, soft runway, which resulted in the loss of braking action upon landing and a subsequent runway overrun and nose landing gear collapse.NTSB ANC20LA100Accident · No injuriesClass 3 · LimitedFinal reportCessna 180 · Tok, AKThe mechanic’s failure to properly repair the tailwheel, which resulted in a malfunction of the tailwheel and a loss of directional control.NTSB DCA21LA018Accident · Serious injuriesClass 4 · LimitedFinal reportBoeing 777 · Anchorage, AKThe airplane’s encounter with severe turbulence while flying over a mountain range during cruise.NTSB ANC20LA099Accident · No injuriesClass 3 · LimitedFinal reportCessna 170B · Big Lake, AKThe pilot’s failure to utilize carburetor heat while flying in conditions conducive to carburetor icing, which resulted in a total loss of engine power.NTSB ANC20LA098Accident · No injuriesClass 3 · LimitedFinal reportCessna 182 · King Salmon, AKThe fatigue fracture failure of the left main landing gear U-bolt during landing, which resulted in the collapse and separation of the left main landing gear spring.NTSB ANC20CA097Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA18 · Arctic Village, AKThe pilot’s selection of unsuitable terrain for landing, which resulted in a rock damaging the empennage.NTSB ANC20LA093Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA22 · Homer, AKThe total loss of engine power during the initial climb due to fuel contamination. Contributing to the accident was the corrosion of the fuel tank filler necks, which resulted in water intrusion into the fuel tanks.NTSB ANC20CA094Accident · No injuriesClass 4 · Data collectionFinal reportCessna 170 · Kiana, AKThe pilot’s improper decision to perform a takeoff from an unsuitable surface, which resulted in a loss of control and nose over.NTSB WPR20LA314Accident · No injuriesClass 4 · LimitedFinal reportPiper PA30 · Homer, AKThe pilot’s improper flare which resulted in a hard bounced landing and runway excursion.NTSB ANC20CA096Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA18 · Chitina, AKThe pilot’s loss of directional control during takeoff, which resulted in a runway excursion.NTSB ANC20CA092Accident · No injuriesClass 4 · Data collectionFinal reportHelio H 295 · Fairbanks, AKThe pilot’s decision to initiate a right turn immediately after departure and his failure to maintain a proper crosswind correction, which resulted in a collision with terrain.NTSB ANC20CA090Accident · No injuriesClass 4 · Data collectionFinal reportCessna 182 · Palmer, AKThe pilot’s excessive airspeed during landing and improper application of the brakes, which resulted in a runway overrun.NTSB ANC20LA089Accident · No injuriesClass 3 · LimitedFinal reportEurocopter AS 350 · Fort Greely, AKFailure of the door lock due to interference between the door and a cargo box.NTSB ANC20LA086Accident · Serious injuriesClass 4 · LimitedFinal reportPiper PA 14 · Wasilla, AKThe pilot’s failure to maintain airplane control during an attempted go-around in gusting wind conditions, which resulted in impact with trees.NTSB ANC20CA091Accident · No injuriesClass 4 · Data collectionFinal reportCessna A185 · Lime Village, AKThe pilot’s loss of control during the landing flare, which resulted in an impact with trees.NTSB 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.NTSB ANC20LA083Accident · Minor injuriesClass 3 · LimitedFinal reportEurocopter AS350 · Ninilchik, AKA loss of engine power for an undetermined reason.NTSB WPR20CA287Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA18 · Tok, AKThe student pilot’s failure to maintain directional control during landing, which resulted in a runway excursion and subsequent impact with trees.NTSB ANC20CA088Accident · No injuriesClass 4 · Data collectionFinal reportCessna 180 · Kotzebue, AKThe pilot's failure to maintain an airspeed conducive to flight during takeoff.NTSB ANC20CA087Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA22 · Lake Louise, AKThe pilot’s decision to takeoff in shifting winds from a remote unimproved gravel bar, which resulted in a failure to attain an airspeed suitable for flight and a loss of control.NTSB ANC20CA082Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA 20 · Talkeetna, AKThe pilot’s failure to maintain directional control during the landing roll, which resulted in a ground-loop.NTSB ANC20CA081Accident · No injuriesClass 4 · Data collectionFinal reportPerformer High Performer · Chandalar Shelf, AKThe pilot's selection of unsuitable terrain for landing, which resulted in a loss of control during the landing and a nose over.NTSB ANC20LA077Accident · No injuriesClass 4 · LimitedFinal reportCessna 180 · Kenai, AKThe pilot’s improper decision to place a passenger and baggage in the rear baggage compartment, which resulted in an aft center of gravity, an increase in directional instability, and affected the pilot’s ability to maintain directional control, resulting in…NTSB ANC20CA078Accident · No injuriesClass 4 · Data collectionFinal reportGreg Miller GOT Rocks · Minchumina, AKThe pilot's failure to maintain directional control during landing in gusting wind conditions, which resulted in an impact with a large hole and a nose-over.NTSB ANC20CA076Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA18 · Wasilla, AKThe pilot's failure to maintain directional control during takeoff in crosswind conditions, which resulted in a runway excursion and collision with trees.NTSB 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…NTSB ANC20CA075Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA18 · Chisana, AKThe pilot's overapplication of brakes during landing in gusting tailwind conditions, which resulted in a nose-over.NTSB ANC20CA080Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA 18 · Fairbanks, AKThe pilot's improper decision to depart from an off-airport surface that had standing water, which resulted in a loss of control and impact with terrain.NTSB WPR20CA233Accident · No injuriesClass 4 · Data collectionFinal reportCessna 180 · Bear Valley, AKThe pilot's over application of brakes during taxi, which resulted in a nose over.NTSB ANC20CA070Accident · No injuriesClass 4 · Data collectionFinal reportBell 206L-1 · Homer, AKThe pilot's failure to see and avoid the boat's mast, which resulted in a main rotor blade strike. Contributing to the accident was the pilot's inadequate preflight planning by not having the boat's mast measured.NTSB ANC20LA069Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT802 · Birch Creek, AKA loss of control for undetermined reasons while on the surface of the water during scoop operations in support of wildland firefighting operations.NTSB ANC20CA071Accident · No injuriesClass 4 · Data collectionFinal reportCessna A185 · Palmer, AKThe pilot's loss of control during landing, which resulted in a ground loop and left main landing gear collapse.NTSB WPR20CA232Accident · No injuriesClass 4 · Data collectionFinal reportCessna U206 · Nenana, AKThe pilot's failure to maintain directional control during a soft field takeoff on a dirt airstrip, which resulted in an impact with a vehicle.NTSB ANC20CA068Accident · No injuriesClass 4 · Data collectionFinal reportRobinson R44 · Ketchikan, AKThe crew leader's decision to throw a chainsaw bar into the moving arc of the main rotor blade.NTSB ANC20CA067Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA32 · Naknek, AKThe PA-32 pilot's failure to see and avoid the other airplane.NTSB WPR20CA236Accident · No injuriesClass 4 · Data collectionFinal reportStinson 108 · Farewell Lakes, AKThe pilot's delayed decision to abort the takeoff roll, which resulted in a runway overrun and airplane nose over.NTSB ANC20LA065Accident · No injuriesClass 3 · LimitedFinal reportCessna 180 · Anchorage, AKThe failure of the left float bottom due to corrosion, which resulted in a loss of control during the water landing.NTSB ANC20LA064Accident · No injuriesClass 3 · LimitedFinal reportPiper PA22 · Soldotna, AKThe delamination of the fabric material from the fuselage above the windscreen due to failed adhesive, which resulted in disrupted airflow and a subsequent hard landing.NTSB ANC20CA066Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA22 · Tyonek, AKThe pilot's decision to land at an unimproved airstrip with limited go-around capabilities, his improper landing flare and aborted landing, and his subsequent failure to attain sufficient altitude to clear vegetation during an attempted go-around.NTSB ANC20CA063Accident · No injuriesClass 4 · Data collectionFinal reportStinson 108 · Nikolai, AKThe pilot's improper decision to depart from an unsuitable off-airport surface which resulted in a departure area excursion and impact with trees.NTSB ANC20CA062Accident · No injuriesClass 4 · Data collectionFinal reportCub Crafters CCK-1865 · Juneau, AKThe pilot's failure to maintain directional control during the landing rollout, which resulted in a ground loop.NTSB ANC20CA061Accident · No injuriesClass 4 · Data collectionFinal reportBeech A36 · Chignik Lagoon, AKThe pilot's improper approach, which resulted in a long landing and a runway overrun.NTSB ANC20LA060Accident · No injuriesClass 3 · LimitedFinal reportCessna 180 · Fairbanks, AKThe pilot’s failure to utilize carburetor heat while flying in conditions conducive carburetor to icing, which resulted in a total loss of engine power.NTSB ANC20LA059Accident · No injuriesClass 3 · LimitedFinal reportPiper PA 12 · Anchorage, AKThe fatigue fracture of the American Iron and Steel Institute (AISI) 1025 carbon steel rudder post, which resulted in structural failure of the rudder. Contributing to the fatigue failure was the post’s susceptibility to fatigue cracking under normal service…NTSB ANC20CA058Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA 12 · Palmer, AKThe pilot’s improper decision to load the airplane beyond its allowable gross weight limits, which resulted in an impact with a tree and collision with terrain.NTSB ANC20CA056Accident · No injuriesClass 4 · Data collectionFinal reportPiper PA18 · Nikiski, AKThe pilot's failure to maintain directional control during landing in gusting wind conditions, which resulted in a ground loop.NTSB ANC20CA052Accident · No injuriesClass 4 · Data collectionFinal reportAir Tractor AT802 · Unalakleet, AKThe pilot's failure to maintain terrain clearance during the departure, which resulted in a collision with terrain..