NTSB investigations, 2011, AK
180,616 investigations by the National Transportation Safety Board since 1962: 174,594 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 | 62 |
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\") = 2011
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") = 2011 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 ANC12CA016Accident · Minor injuriesData collectionFinal reportCessna 207A · Kwigillingok, AKThe pilot’s decision to continue visual flight into instrument meteorological conditions with moderate icing, which resulted in structural icing and an aerodynamic stall.NTSB ANC12FA014Accident · Minor injuriesField investigationFinal reportCessna U206G · Nanwalek, AKThe pilot’s decision to takeoff from a contaminated runway with unfavorable wind conditions, and his failure to maintain airspeed during the initial climb, which resulted in an aerodynamic stall. Contributing to the accident was the operator’s inadequate…NTSB ANC12CA015Accident · No injuriesData collectionFinal reportPiper PA-31-350 · Hughes, AKThe pilot did not clear the area surrounding the airplane prior to taxi, resulting in the airplane contacting a piece of baggage.NTSB ANC12CA012Accident · No injuriesData collectionFinal reportPiper PA-31-350 · Kaltag, AKThe pilot landed without lowering the landing gear. Contributing to the accident was the pilot's self-reported fatigue.NTSB ANC12FA009Accident · 1 fatalField investigationFinal reportCessna 207 · Chuathbaluk, AKThe pilot’s loss of situational awareness after an inadvertent encounter with instrument meteorological conditions, which resulted in an in-flight collision with tree-covered terrain.NTSB ANC12CA010Accident · No injuriesData collectionFinal reportCessna A185F · Talkeetna, AKA broken wheel/ski clevis pin, which allowed the ski to pivot upward and strike the right wing lift strut.NTSB ANC12TA008Accident · No injuriesFinal reportBellanca 8GCBC · Delta Junction, AKIce accretion in the main landing gear wheel brakes, which prevented the main landing gear wheels from rotating on landing, which resulted in the airplane nosing over.NTSB ANC12LA002Accident · Minor injuriesLimited investigationFinal reportCessna 207A · Kwigillingok, AKThe pilot's failure to abort the takeoff when he realized the airplane could not attain sufficient takeoff and climb performance and his improper decision to depart from an airport where night operations were prohibited.NTSB ANC12FA006Accident · 1 fatalField investigationFinal reportEurocopter AS 350 B2 · Iliamna, AKThe pilot's loss of control due to sudden medical impairment or incapacitation.NTSB ANC12CA005Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Portage, AKThe pilot's selection of unsuitable terrain for landing.NTSB ANC12CA004Accident · No injuriesData collectionFinal reportBellanca 7GCBC · Aniak, AKThe pilot's excessive use of brakes during landing.NTSB ANC12CA003Accident · No injuriesData collectionFinal reportPiper PA-18 · Skwentna, AKThe pilot's inadequate clearance from a tree during an off-airport landing.NTSB ANC11CA112Accident · No injuriesData collectionFinal reportCessna 180 · Haines, AKThe pilot's loss of directional control during takeoff in a float-equipped airplane for an undetermined reason, which resulted in the airplane colliding with trees and the shore.NTSB ANC11CA111Accident · No injuriesData collectionFinal reportCessna 180H · Chenga Bay, AKThe pilot's failure to maintain clearance from an obstruction while landing at an off-airport site, resulting in a loss of control.NTSB ANC11TA109Accident · No injuriesFinal reportCub Crafters CC18-180 · Palmer, AKThe pilot's excessive application of the brakes during landing, which resulted in a nose-over.NTSB ANC11LA108Accident · No injuriesLimited investigationFinal reportEurocopter AS 350 BA · Juneau, AKUpslope wind conditions while the helicopter was operating at ground idle, which resulted in the helicopter rollover. Contributing to the accident was the lack of manufacturer data regarding the effect of upslope wind conditions on helicopter ground idle…NTSB ANC11CA115Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Fairbanks, AKThe student pilot's hard landing in a gusting wind.NTSB ANC11CA113Accident · No injuriesData collectionFinal reportPiper PA-12 · Talkeetna, AKThe pilot’s decision to take off from an off-airport site in variable wind.NTSB ANC11FA107Accident · 1 fatalField investigationFinal reportDehavilland DHC-3T · Kodiak, AKThe pilot’s failure to maintain clearance from a tree during a low altitude maneuver and his failure to maintain control of the airplane. Contributing to the accident was the pilot’s use of over-the-counter sedating medications.NTSB ANC11TA110Accident · No injuriesFinal reportBell 206 B3 · Seward, AKThe pilot's failure to maintain clearance from snow-covered terrain during hover in deteriorating weather and flat light conditions, which resulted in a tail rotor strike.NTSB ANC11CA106Accident · No injuriesData collectionFinal reportPiper PA-12 · Beluga, AKThe pilot's decision to take off uphill into rising terrain.NTSB ANC11CA096Accident · No injuriesData collectionFinal reportCessna 170B · Fairbanks, AKThe pilot's failure to maintain control of the airplane while taking off with a gusting crosswind.NTSB ANC11CA105Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Bethel, AKThe pilot's delayed decision to abort the takeoff.NTSB ANC11CA104Accident · No injuriesData collectionFinal reportCessna 170B · Fairbanks, AKThe pilot's failure to maintain directional control during landing. Contributing to the accident was the pilot's lack of experience/training in tailwheel-equipped airplanes.NTSB ANC11LA103Accident · No injuriesLimited investigationFinal reportCessna U206G · Beluga, AKThe total loss of engine power for an undetermined reason.NTSB ANC11CA098Accident · No injuriesData collectionFinal reportCessna 180A · McGrath, AKThe pilot's loss of control when encountering a downdraft during the initial climb after takeoff, resulting in a collision with terrain.NTSB ANC11CA102Accident · No injuriesData collectionFinal reportCessna 180 · Ambler, AKThe pilot's decision to takeoff with a tailwind, which resulted in a runway excursion.NTSB ANC11LA100Accident · No injuriesLimited investigationFinal reportPiper PA-18A 150 · Galena, AKThe total loss of engine power for undetermined reasons.NTSB ANC11CA097Accident · No injuriesData collectionFinal reportPiper PA-12 · Anchorage, AKThe pilot's misidentification of the runway environment in dusk light conditions.NTSB ANC11CA095Accident · No injuriesData collectionFinal reportCessna 170A · Anchorage, AKThe fracture of a hydraulic brake line fitting due to incorrect installation of the brake line by the pilot/owner, which resulted in a loss of brake pressure and subsequent loss of directional control during the landing roll.NTSB ANC11CA094Accident · No injuriesData collectionFinal reportPiper PA-12 · North Pole, AKThe pilot's failure to maintain adequate airspeed during takeoff, resulting in an aerodynamic stall and collision with the water.NTSB ANC11FA093Accident · Serious injuriesField investigationFinal reportPiper PA-18-150 · McGrath, AKThe pilot inadvertently switched off the engine magnetos during short final approach, which resulted in a loss of engine power. Contributing to the accident was the manufacturer's placement of the magneto switches in the cabin.NTSB ANC11CA092Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Deadhorse, AKThe pilot's continued visual flight into instrument meteorological conditions.NTSB 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.NTSB ANC11LA099Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R22 Beta · Unalaska, AKA loss of engine power in cruise flight for undetermined reasons.NTSB ANC11CA089Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Cape Yakataga, AKThe pilot inadvertently switching off the engine magnetos during the initial climb, resulting in a loss of engine power. Contributing to the accident was the manufacturer's placement of the magneto switches.NTSB ANC11CA086Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Beluga Lake, AKThe pilot's decision to takeoff with an unfavorable wind which resulted in a loss of directional control, and collision with terrain.NTSB ANC11CA085Accident · No injuriesData collectionFinal reportMaule M-5-210C · Tok, AKThe pilot's failure to go-around soon enough to preclude the necessity of a forced landing due to the airplane's inability to outclimb ascending terrain.NTSB ANC11LA084Accident · No injuriesLimited investigationFinal reportGrumman G-44 · Dillingham, AKA loss of directional control during landing due to a rock lodged in the main landing gear wheel brake, resulting in a runway excursion and collision with terrain.NTSB ANC11CA083Accident · No injuriesData collectionFinal reportCessna 180A · Igiugig, AKThe pilot's decision to take off in a variable wind, resulting in a shallow climb and collision with terrain.NTSB ANC11CA082Accident · No injuriesData collectionFinal reportPiper PA-20 · Tyonek, AKThe student pilot’s decision to take off toward a hill with a gusting tailwind. Contributing was the pilot's premature rotation that prevented the airplane from climbing over the hill.NTSB ANC11CA081Accident · No injuriesData collectionFinal reportPiper PA-18-180 · Valdez, AKThe pilot's failure to maintain the proper approach path, which resulted in a runway undershoot.NTSB ANC11LA080Accident · 2 fatalLimited investigationFinal reportPiper PA-18-150 · Cape Yakataga, AKA collision into water during initial climb after takeoff for undetermined reasons.NTSB ANC11FA077Accident · 2 fatalField investigationFinal reportCessna 207 · McGrath, AKThe pilot's decision to continue visual flight rules flight into instrument meteorological conditions, which resulted in an in-flight collision with mountainous terrain.NTSB ANC11CA076Accident · Minor injuriesData collectionFinal reportPiper PA-18-135 · Coldfoot, AKThe pilot's inadvertent application of the right brake pedal during the landing roll, which resulted in a nose-over.NTSB ANC11CA075Accident · No injuriesData collectionFinal reportPiper PA-32-301 · Kodiak, AKA partial loss of engine power while on approach to land due to a disconnected throttle control linkage, and the maintenance director's inadequate inspection of the throttle linkage during maintenance.NTSB ANC11CA078Accident · No injuriesData collectionFinal reportPiper PA-11 · Chenga Bay, AKThe pilot's improper decision to land on an unsuitable landing surface which resulted in a nose over.NTSB ANC11CA074Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Coldfoot, AKThe pilot's inadequate directional control of the airplane during takeoff. Contributing to the accident was the pilot’s fatigue.NTSB ANC11TA079Accident · No injuriesFinal reportDehavilland DHC-2 MK. I(L20A) · Northway, AKThe pilot's failure to identify unsuitable terrain for landing and subsequent contact with a dirt mound, resulting in the separation of the tailwheel from the airframe.NTSB 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…