NTSB investigations, 1990, AK
180,630 investigations by the National Transportation Safety Board since 1962: 174,609 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\") = 1990
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") = 1990 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 ANC91FA018Accident · 1 fatalField investigationFinal reportCessna 208 · False Pass, AKThe pilot's improper decision to continue flight into an area of mountainous terrain and adverse weather conditions. The terrain and weather were factors.NTSB ANC91LA015Accident · No injuriesLimited investigationFinal reportPiper PA-32 · Kongikank, AKThe pilot in command's failure to maintain airspeed during approach resulting in an inadverrtent stall annd uncontrolled descent into the ground.NTSB ANC91LA016Accident · No injuriesLimited investigationFinal reportBeech BE-77 · Fairbanks, AKThe pilot-in-command's failure to properly perform the aircraft preflight resulting in a collision with a tow bar during initial taxi.NTSB ANC91FA014Accident · 1 fatalField investigationFinal reportCessna 170 · 40 W Of Clear, AKThe non-instrument rated pilot-in-command's loss of control while attempting to operate under visual flight rule while in instrument meteorological conditions. Contributing to the accident was the whiteout condition created by the vast expanse of white lake…NTSB ANC91LA013Accident · No injuriesLimited investigationFinal reportCessna U-206 · Montague Island, AKPilot-in-command's failure to maintain aircraft control during landing.NTSB ANC91LA012Accident · No injuriesLimited investigationFinal reportCessna 170A · Healy, AKThe loss of engine power for undetermined reasons and the lack of suitable terrain for a forced landing.NTSB ANC91LA011Accident · Minor injuriesLimited investigationFinal reportPiper PA-18-150 · Thorne Bay, AKThe pilot's delay in aborting the takeoff.NTSB ANC91LA010Accident · No injuriesLimited investigationFinal reportCessna 182N · Chugiak, AKThe pilot failed to maintain directional control. Contributing to the accident was the gusty crosswinds and slippery runway.NTSB ANC91LA009Accident · No injuriesLimited investigationFinal reportCessna 180 · Anchorage, AKThe pilot-in-command's failure to maintain directional control of the airplane during the landing roll.NTSB ANC91LA008Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Chugiak, AKThe pilot-in-command's failure to maintain directional control on landing and the failure to select suitable terrain.NTSB ANC91LA007Accident · Serious injuriesLimited investigationFinal reportPiper PA-14 · Port Heiden, AKThe pilot's failure to maintain directional control during takeoff. Contributing to the accident were the crosswind, pilot's failure to compensate for the crosswind, the soft runway, and lack of total experience in type of aircraft.NTSB ANC91LA006Accident · Minor injuriesLimited investigationFinal reportMooney M20C · Madison Creek, AKThe pilot's premature lift off at an inadequate airspeed. Contributing to the accident was the unplowed snow on the runway.NTSB ANC91LA005Accident · No injuriesLimited investigationFinal reportPiper PA-20 · King Salmon, AKInadvertant stall during an aborted landing.NTSB ANC91GAMS1Accident · 3 fatalFinal reportGulfstream Aerospace 690C · Deadhorse, AKMissing aircraft.NTSB ANC91LA004Accident · No injuriesLimited investigationFinal reportCessna 180 · Anchorage, AKThe pilot's failure to maintain directional control. Contributing to the accident was the excessive taxi speed and inadequate maintenance on the brakes by the pilot.NTSB ANC91LA003Accident · No injuriesLimited investigationFinal reportBeech B55B · Eielson Afb, AKThe dual student's inadvertent, premature selection of the landing gear handle to the up position; thereby causing the landing gear system to retract. Contributing to the accident was the instructor's failure to monitor the dual student's action and take…NTSB ANC91LA002Accident · No injuriesLimited investigationFinal reportCessna 185B · Koyuktolik, AKPilot-in-command's failure to properly execute a stabilized approach to the first 1/3 of the runway. Contributing to the accident was the excessive airpseed maintained during the approach and landing.NTSB ANC91FA001Accident · Serious injuriesField investigationFinal reportHughes 500D · Kennsington, AKThe loss of control during takeoff due to dynamic rollover. Contributing to the accident was the pilot-in-command's selection of an uneven landing area.NTSB ANC90LA189Accident · 1 fatalLimited investigationFinal reportMaule M-4-210C · 60 E Of Bethel, AKContinued VFR flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain altitude and clearance above mountainous terrain. Factors related to the accident were: darkness, adverse terrain and weather conditions, the…NTSB ANC90LA188Accident · No injuriesLimited investigationFinal reportCessna 180 · Swift River, AKThe pilot-in-command's failure to understand the performance data of the airplane, and his failure to identify unsuitable terrain.NTSB ANC90LA166Accident · Minor injuriesLimited investigationFinal reportCessna 172M · Anchorage, AKThe pilot's poor judgement due to consumption of alcohol, and his improper planning/decision, which resulted in fuel exhaustion due to an inadequate supply of fuel.NTSB ANC90LA185Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Kotes Lakes, AKThe pilot-in-command's encounter with turbulence while on final approach, and failure to maintain aircraft control.NTSB ANC90FA187Accident · No injuriesField investigationFinal reportPiper PA-18A · Birchwood, AKThe pilot-in-command's failure to correctly analyze the wind and its effect on the airplane during the landing; thereby failing to maintain proper directional control.NTSB ANC90LA184Accident · No injuriesLimited investigationFinal reportDe Havilland DHC-3 · King Salmon, AKThe pilot-in-command's failure to maintain airplane control during the takeoff roll, and failure of not attaining airspeed on takeoff.NTSB ANC90LA183Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Coal Creek, AKThe pilot's failure to adequately remove snow from the airplane and his delay in aborting the takeoff.NTSB ANC90LA186Accident · No injuriesLimited investigationFinal reportPiper PA-18-150 · Delta Junction, AKThe pilot's inadequate removal of snow and ice prior to takeoff.NTSB ANC90LA181Accident · No injuriesLimited investigationFinal reportCessna U206 · Egegik, AKThe improper use of elevator controls by the pilot.NTSB ANC90LA182Accident · No injuriesLimited investigationFinal reportCessna 180-A · Wood Creek, AKThe pilot-in-command's failure to attain proper lift off airspeed. Contributing to the accident was rough and uneven terrain.NTSB ANC90LA180Accident · No injuriesLimited investigationFinal reportCessna 185 · Upper Colleen, AKThe pilot-in-command's failure to select suitable terrain for landing. Contributing to the accident was the rough and uneven terrain.NTSB ANC90LA177Accident · No injuriesLimited investigationFinal reportHelio H-295 · Mcgrath, AKFuel contamination. A contributing factor was the inadequate aircraft preflight by the pilot.NTSB ANC90LA176Accident · No injuriesLimited investigationFinal reportPiper PA-18-160 · Port Heiden, AKThe pilot-in-command's failure to maintain aircraft control during a strong crosswind.NTSB ANC90LA175Accident · No injuriesLimited investigationFinal reportCessna 206 · Puntilla Lake, AKAn inadequate preflight.NTSB ANC90LA178Accident · No injuriesLimited investigationFinal reportHelio H-391B · Circle, AKPilot-in-command's failure to maintain airplane control and the pilot's failure to identify the stall.NTSB ANC90LA174Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Healy, AKThe pilot-in-command's failure to maintian airspeed.NTSB ANC90LA172Accident · Serious injuriesLimited investigationFinal reportCessna 185 · Talkeetna, AKFailure of the pilot to obtain or maintain adequate airspeed which resulted in a stall or mush.NTSB ANC90LA171Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Sparrevohn, AKThe pilot-in-command's failure to maintain directional control of the airplane during the takeoff roll. The rough/uneven gravel bar was a related factor.NTSB ANC90LA168Accident · No injuriesLimited investigationFinal reportCessna 180 · Naknek, AKThe pilot-in-command's improper in-flight planning and ultimate fuel exhaustion.NTSB ANC90LA170Accident · Serious injuriesLimited investigationFinal reportBell 206B · Kokhanok, AKThe failure of the compressor end of the air compressor scroll to tee tube assembly causing the engine to spool down. The forced landing in eneven, unprepared, and lightly forested terrain were factors.NTSB ANC90LA173Accident · 2 fatalLimited investigationFinal reportPiper PA-32RT-300T · Glacier Island, AKUndetermined mechanical failure(s) that resulted in loss of engine power, smoke in the cockpit, and a subsequent emergency descent for a forced landing (ditching) at sea. The lack of suitable terrain for a forced landing was a related factor.NTSB ANC90FA167Accident · 2 fatalField investigationFinal reportTaylorcraft DCO-75 · Mckinley Park, AKFailure of both pilots to maintain adequate visual lookout to see-and-avoid other aircraft.NTSB ANC90LA169Accident · No injuriesLimited investigationFinal reportBeech H-18S · Deering, AKThe pilot-in-command's failure to maintain directional control of the airplane on landing.NTSB ANC90LA165Accident · No injuriesLimited investigationFinal reportBellanca 7ECA · Blair Lakes, AKThe pilot's failure to maintain adequate lookout during the post-landing taxi. Contributing to the accident were the rough terrain, the pilot's lack of total experience, and his lack of familiarity with the geographic area.NTSB ANC90LA179Accident · No injuriesLimited investigationFinal reportCessna U206 · Twin Lake, AKInadequate compensation for wind condition.NTSB ANC90FA161Accident · 3 fatalField investigationFinal reportPiper PA-31-325 · Kaltag, AKFailure of the pilot to maintain adequate altitude after becoming distracted with an engine problem. Factors related to the accident were: loss of power in the #2 engine for an unknown reason and the low overcast condition.NTSB ANC90LA163Accident · No injuriesLimited investigationFinal reportCessna 150-L · Anchorage, AKThe pilot-inn-command's failure to maintain flying speed. Contributing to the accident was improper altitude.NTSB ANC90LA160Accident · No injuriesLimited investigationFinal reportChampion 7ECA · Cordova, AKFuel exhaustion due to the pilot-in-command's improper preflight preparation and planning.NTSB ANC90FA164Accident · 5 fatalField investigationFinal reportCessna P206C · Talkeetna, AKThe pilot-in-command's continued VFR flight into instrument meteorological conditions, and failure to maintain adequate altitude for terrain clearance. Factors to the accident were the adverse weather conditions, mountainous terrain, and the dark night.NTSB ANC90LA162Accident · No injuriesLimited investigationFinal reportDe Havilland DHC-2 · Alagnak River, AKThe pilot-in-command's inadequate preflight planning/preparation, his selection of unsuitable terrain, and his delay in aborting the takeoff.NTSB ANC90LA159Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Northway, AKThe pilot-in-command's failure to maintain aircraft control.NTSB ANC90FA158Accident · 2 fatalField investigationFinal reportCessna 414 · Sitka, AKImproper planning/decision by the pilot, and his failure to follow IFR procedures and maintain clearance from mountainous terrain.