NTSB investigations, 1999, MN
180,610 investigations by the National Transportation Safety Board since 1962: 174,589 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
| 1964 | 113 |
|---|---|
| 1965 | 115 |
| 1966 | 117 |
| 1967 | 130 |
| 1968 | 95 |
| 1969 | 113 |
| 1970 | 88 |
| 1971 | 80 |
| 1972 | 82 |
| 1973 | 77 |
| 1974 | 83 |
| 1975 | 98 |
| 1976 | 78 |
| 1977 | 92 |
| 1978 | 98 |
| 1979 | 76 |
| 1980 | 66 |
| 1981 | 89 |
| 1982 | 61 |
| 1983 | 68 |
| 1984 | 51 |
| 1985 | 57 |
| 1986 | 43 |
| 1987 | 40 |
| 1988 | 52 |
| 1989 | 50 |
| 1990 | 42 |
| 1991 | 59 |
| 1992 | 25 |
| 1993 | 40 |
| 1994 | 39 |
| 1995 | 37 |
| 1996 | 40 |
| 1997 | 37 |
| 1998 | 36 |
| 1999 | 33 |
| 2000 | 39 |
| 2001 | 40 |
| 2002 | 46 |
| 2003 | 40 |
| 2004 | 32 |
| 2005 | 31 |
| 2006 | 29 |
| 2007 | 25 |
| 2008 | 31 |
| 2009 | 29 |
| 2010 | 32 |
| 2011 | 28 |
| 2012 | 28 |
| 2013 | 33 |
| 2014 | 24 |
| 2015 | 15 |
| 2016 | 26 |
| 2017 | 20 |
| 2018 | 14 |
| 2019 | 16 |
| 2020 | 26 |
| 2021 | 12 |
| 2022 | 24 |
| 2023 | 34 |
| 2024 | 24 |
| 2025 | 22 |
| 2026 | 13 |
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\") = 1999
AND c.\"eventStateOrRegion\" = 'MN' 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") = 1999 AND c."eventStateOrRegion" = 'MN' 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 CHI00LA053Accident · No injuriesLimited investigationFinal reportPiper PA-34-220T · Alexandria, MNThe pilot's inadequate inflight decision to continue flight into icing conditions. An additional cause was the directional control not maintained by the pilot. Contributing factors were the viewable area of the aircraft's heated windshield panel, in-flight…NTSB CHI00LA041Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-180 · Mankato, MNthe pilots failure to maintain a proper glidepath. Factors were the dark night and the pilots lack of recent night flying experience.NTSB CHI00FA020Accident · 2 fatalField investigationFinal reportBell 206B · Cottage Grove, MNUndetermined.NTSB CHI00LA010Accident · No injuriesLimited investigationFinal reportCessna 172G · Cambridge, MNthe fractured main landing gear due to the improper maintenance by an unknown person(s) and the inadequate annual inspection by an unqualified person.NTSB CHI99LA353Accident · Minor injuriesLimited investigationFinal reportLuscombe 8A · Gran Marais, MNthe downwind turn, stall, mush, due to the pilot's decision to turn and failure to maintain flying speed.NTSB CHI99LA331Accident · Minor injuriesLimited investigationFinal reportChampion 7ECA · Forest Lake, MNthe pilot's misjudging the proper glidepath, and his not maintaining airspeed. Factors were the pilot's lack of recent experience, the airplane's inadvertent stall, and the fence.NTSB CHI99LA315Accident · No injuriesLimited investigationFinal reportPiper PA-24-180 · Eden Prairie, MNthe failure of the pilot to follow the landing checklist and his failure to extend the landing gear.NTSB CHI99LA317Accident · No injuriesLimited investigationFinal reportAyres S-2R · Brooten, MNthe compressor impeller failure and the unsuitable terrain for landing encountered by the pilot.NTSB CHI99LA301Accident · No injuriesLimited investigationFinal reportPiper PA-28-151 · Red Wing, MNDirectional control not being maintained by the pilot. A factor to the accident was the ditch.NTSB CHI99LA265Accident · No injuriesLimited investigationFinal reportCessna 310N · Eden Prairie, MNmaintenance personnel installed washers which were not large enough in diameter to prevent the retraction/extension scissors links from separating from each other.NTSB CHI99FA264Accident · 1 fatalField investigationFinal reportBeech C23 · Detroit Lakes, MNAircraft control not obtained/maintained by the pilot. A factor to the accident was the pilot's impairment due to drugs.NTSB CHI99LA254Accident · No injuriesLimited investigationFinal reportBeech G18S · Minneapolis, MNthe premature gear retraction and proper runway alignment not maintained during takeoff by the pilot. An additional cause was the proper descent rate not maintained by the pilot. Contributing factors were the carburetor icing conditionsNTSB CHI99LA261Accident · Serious injuriesLimited investigationFinal reportHodre-Buull-Kolb Mark III · Plymouth, MNThe failure of the airplane's rudder control pulley due to corrosion and inadequate maintenance inspection of the airplane by the owner/pilot mechanic of the airplane.NTSB CHI99LA243Accident · Minor injuriesLimited investigationFinal reportMooney M20F · Marshall, MNthe inadvertent stall and the checklist not followed by the pilot. Contributing factors were the baggage door not secured and the precautionary landing attempt by the pilot.NTSB CHI99LA259Accident · No injuriesLimited investigationFinal reportCessna 180 · Tower, MNfailure of the operator of the boat to maintain clearance with the floatplane.NTSB CHI99LA235Accident · Serious injuriesLimited investigationFinal reportPiper J-3C · Maple Lake, MNThe pilot's inadequate preflight planning that resulted in exceeding the maximum gross weight of the airplane and the subsequent inadvertent aerodynamic stall.NTSB CHI99LA241Accident · No injuriesLimited investigationFinal reportTaylorcraft BC12-D · Aitkin, MNthe right spring in the tailwheel assembly's separation. Factors were the fatigue in the landing gear, the maintenance personnel not identifying the fatigue during the annual inspection, and the right main gear's separation.NTSB CHI99LA234Accident · Serious injuriesLimited investigationFinal reportGrimm SEA Hawker · Princeton, MNThe erratic aileron control response for undetermined reasons. A factor was the tree.NTSB CHI99LA224Accident · No injuriesLimited investigationFinal reportCessna 172N · Faribault, MNthe pilot's failure to maintain directional control of the airplane during the takeoff ground run.NTSB CHI99FA223Accident · 2 fatalField investigationFinal reportPiper PA-24-250 · Fertile, MNthe inadvertent stall. Factors relating to this accident were the instructor pilot maneuvering the airplane at very low altitude and the trees.NTSB CHI99LA216Accident · No injuriesLimited investigationFinal reportGulfstream-Schweizer G-164B · Fisher, MNthe pilot's failure to maintain clearance from the crop during an aerial application spray run.NTSB CHI99LA209Accident · No injuriesLimited investigationFinal reportCessna 180A · White Bear Lake, MNthe pilot's inability to get the airplane to climb for undetermined reason, and the pilot landing the floatplane on the lake with the wheels extended. Factors contributing to this accident were the pilot's failure to perform a before landing checklist,…NTSB CHI99FA213Accident · 1 fatalField investigationFinal reportLarson Smith Miniplane DSA-1 · Blackduck, MNAircraft control not being maintained by the pilot. Factors to the accident were the aerobatic maneuvers being flown by the pilot and the encountered spiral.NTSB CHI99LA188Accident · No injuriesLimited investigationFinal reportCessna 172N · Cloquet, MNa fire which initiated from an undetermined origin.NTSB CHI99LA171Accident · No injuriesLimited investigationFinal reportBell 47G-3B-1 · Austin, MNThe loss of engine power for an undetermined reason. Factors associated with the accident were the low altitude of the helicopter, which precluded an emergency autorotation, and the crop field.NTSB CHI99GA185Accident · 2 fatalFinal reportPiper PA-18-150 · Baudette, MNthe pilot inadvertently stalled the airplane. A factor was the low altitude.NTSB CHI99LA156Accident · No injuriesLimited investigationFinal reportBeech 99A · Bemidji, MNFailure of the left main landing gear actuator for undetermined reasons.NTSB CHI99LA130Accident · No injuriesLimited investigationFinal reportBell 206B · Cloquet, MNThe pilot's inadequate fuel management which led to fuel exhaustion and subsequent loss of engine power. Related factors were the pole and dusk light conditions.NTSB CHI99LA125Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-140 · Mora, MNthe student pilot's improper soft field takeoff technique in that excessive back pressure was used which resulted in an inadvertent stall/mush. A factor associated with the accident was the student's lack of total experience.NTSB CHI99FA112Accident · 1 fatalField investigationFinal reportCirrus Design SR20 · Duluth, MNthe lack of sufficient aileron-to-wing gap clearance design. Contributing factors were the inadequate oversight of the Federal Aviation Administration of the design and manufacturing and flight test process of Cirrus Design Corporation, the location of the…NTSB CHI99LA108Accident · No injuriesLimited investigationFinal reportCessna 152 · South St. Paul, MNthe student pilot's failure to maintain directional control of the airplane during takeoff. Factors associated with the accident were the student's lack of experience and the snowbank.NTSB CHI99LA098Accident · No injuriesLimited investigationFinal reportBellanca 7GCBC · Grand Rapids, MNthe pilot's inadequate visual lookout. A factor to the accident was the unmarked transmission wire.NTSB CHI99LA076Accident · No injuriesLimited investigationFinal reportCessna 152 · Lake Elmo, MNthe student pilot's failure to maintain directional control of the airplane during the landing roll. Factors associated with the accident were the snow covered, icy runway condition and the snowbank which the airplane contacted.