NTSB investigations, 1991, MN
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
| 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 | 14 |
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\") = 1991
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") = 1991 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 CHI92LA055Accident · No injuriesLimited investigationFinal reportAero Commander 690A · Roseau, MNThe pilot's failure to maintain proper alignment with, and not selecting the proper touchdown point on the landing runway. Factors associated with the accident are a dark night light condition and crosswinds.NTSB CHI92LA050Accident · No injuriesLimited investigationFinal reportCessna 140 · Minneapolis, MNRemedial action was not performed by the CFI. A factor related to the accident was directional control was not maintained by the student pilot.NTSB CHI92LA043Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-181 · Rochester, MNImproper use of autopilot during approach which resulted in proper alignment not maintained by the pilot. Factors related to the accident were turbulence and crosswinds, over confidence in aircraft's capability and overconfidence in personal ability.NTSB CHI92LA040Accident · No injuriesLimited investigationFinal reportMooney M20J · Morris, MNFailure to maintain proper glidepath. A factor related to the accident is the failure to perform remedial action, the dark night, and the snow shower in progress at the time.NTSB CHI92LA036Accident · Minor injuriesLimited investigationFinal reportPiper PA28R-200 · Lakeville, MNThe failure of both pilots to maintain visual separation from each other. Contributing factors to this accident were an inadequate visual lookout by both pilots and the pilot-in-command's failure to follow procedures and directives.NTSB CHI92LA054Accident · No injuriesLimited investigationFinal reportPiper PA-28R-201 · Willmar, MNAn inadequate weather evaluation which resulted in flight into icing conditions. Factors in the accident were the icing conditions and the excessive descent during landing.NTSB CHI92FA035Accident · 4 fatalField investigationFinal reportCessna 172RG · Litchfield, MNPilot factor in that he had spatial disorientation. Factors related to the accident are; VFR flight into IMC, disregarding hazardous weather advisories, performing flight into known adverse weather conditions, and overconfidence in personal ability by the…NTSB CHI92LA034Accident · Serious injuriesLimited investigationFinal reportAero Commander 685 · Brainerd, MNAn engine failure due to a seized fuel pump rotor shaft.NTSB CHI92LA031Accident · No injuriesLimited investigationFinal reportCessna 310R · South St Paul, MNThe inadequate design of the propeller hub assembly which resulted in metal fatigue and propeller blade separation during initial climbout.NTSB CHI92LA217Accident · Serious injuriesLimited investigationFinal reportPiper PA-38-112 · Faribault, MNThe pilot's improper starting procedures and the passenger's inattentiveness. A related factor is the pilot's lack of supervision.NTSB CHI92LA021Accident · Minor injuriesLimited investigationFinal reportCessna 172 · Bemidji, MNInadequate preflight planning and preparation by the pilot in command, the non performance o fan emergency procedure and not maintaining a positive rate of climb on behalf of the pilot in command. Factors contributing to the accident were the pilot in…NTSB CHI92LA008Accident · Minor injuriesLimited investigationFinal reportCessna 172P · Maple Lake, MNThe loss of engine power for an undetermined reason.NTSB CHI92FA009Accident · 2 fatalField investigationFinal reportBeech A36 · Lakeville, MNThe pilot-in-command's decision to continue flight into known adverse weather. Contributing to the accident was the encounter with weather conditions favorable for formation of airframe icing.NTSB CHI91LA287Accident · Minor injuriesLimited investigationFinal reportBeech A23 · Lake Elmo, MNA loss of engine power for undetermined reasons. A factor contributing to the accident was the unsuitable terrain on which the pilot had to land.NTSB CHI91LA293Accident · Minor injuriesLimited investigationFinal reportCessna 185 · Duluth, MNPremature touchdown while landing by the pic/cfi. Factors related to the accident were low ceilings, rain, and haze; weather evaluation misjudged by the pic/cfi; and visual outlook reduced.NTSB CHI91LA288Accident · Minor injuriesLimited investigationFinal reportCessna 185F · Afton, MNThe pilot's inadvertent lowering of the wheels during the water landing.NTSB CHI91DER14Accident · Serious injuriesFinal reportMilner, Dick G Glasair II · Milaca, MNThe pilot's failure to maintain aircraft control during takeoff and departure which resulted in a dragged wing and ground impact. Related factors are the rough airstrip, the pilot's lack of expereince in the type of operation, and the premature lift-off.NTSB CHI91DER13Accident · No injuriesFinal reportBell 47G-3B-1 · Maple Grove, MNThe pilot's failure to maintain directional control of the helicopter during the forced landing. Related factors are the loss of engine power, loss of rotor RPM, the eroded compressor blades, the pilot's operation with known deficiencies in equipment and…NTSB CHI91LA255Accident · No injuriesLimited investigationFinal reportCessna 180 · Walker, MNDirectional control after landing was not maintained by the pilot. Factors related to the accident were a gusty crosswind and a downhill embankment (ditch).NTSB CHI91LA250Accident · No injuriesLimited investigationFinal reportPiper PA-12 · Loman, MNFuel exhaustion due to fuel consumption calculations misjudged by the pilot.NTSB CHI91LA253Accident · No injuriesLimited investigationFinal reportCessna 180 · Eveleth, MNThe pilot's failure to maintain the proper descent rate and adequate airspeed during the approach. A factor related to the accident is the lack of recent total experience.NTSB CHI91LA236Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-140 · Maple Lake, MNDirectional control was not maintained by the pilot. A factor related to the accident was the pilot's lack of total experience.NTSB CHI91LA241Accident · No injuriesLimited investigationFinal reportCessna 150 · Winona, MNImproper flare performed by the pilot. A factor related to the accident was lack of total experience by the pilot.NTSB CHI91LA240Accident · No injuriesLimited investigationFinal reportPiper J-3 · Saint Leo, MNPerformance data was misjudged resulting in a positive climb not being attained by the pilot. A factor related to the accident was high density altitude.NTSB CHI91DER12Accident · Serious injuriesFinal reportLacey B D4 · Albert Lea, MNThe pilot's failure to take adequate remedial action. Related factors are the tall grass runway conditions, and the inadequate airspeed.NTSB CHI91LA206Accident · No injuriesLimited investigationFinal reportCessna 150 · Carlos, MNThe pilot's failure to use adequate carburetor heat. Factors to the accident were the carburetor icing conditions and the wires.NTSB CHI91DER10Accident · Serious injuriesFinal reportKolb Twinstar MK II · Staples, MNThe disconnected elevator trim cable. Related factors are the inadequate maintenance/installation, and the pilot's inability to maintain aircraft control.NTSB CHI91DER11Accident · No injuriesFinal reportPiper OA25-235 · Clinton, MNThe pilot's failure to maintain adequate control of the aircraft while maneuvering in aerial application operations. Related factors are wake turbulence and low altitude.NTSB CHI91DER09Accident · No injuriesFinal reportEagle Eagle DW-1 · Windom, MNThe pilot's improper aircraft handling. Related factors are the pilot's inattention and the airplane's deteriorated performance capability.NTSB CHI91DER08Accident · 1 fatalFinal reportBellanca 8GCBC · St. Hilaire, MNThe pilot's failure to maintain sufficient altitude while maneuvering.NTSB CHI91LA199Accident · No injuriesLimited investigationFinal reportRobinson R-22 · Faribault, MNCompensation for wind conditions was not attained by the pilot resulting in loss of directional control. A factor related to the accident was a gusty crosswind landing environment.NTSB CHI91LA197Accident · No injuriesLimited investigationFinal reportCessna 180 · Grand Rapids, MNThe pilot's failure to maintain a proper airspeed during landing and the improper recovery from a bounced landing. Factors related to the accident were the pilot's lack of total experience in seaplanes and the gusty wind condition.NTSB CHI91LA196Accident · No injuriesLimited investigationFinal reportCessna 172RG · Hawley, MNInattentiveness of both the flight instructor and the student pilot, and failure to use carburetor heat. A factor related to the accident is the unsuitable terrain encountered during the forced landing.NTSB CHI91DER06Accident · No injuriesFinal reportPiper PA-36-285 · Fergus Falls, MNThe pilot's failure to maintain adequate clearance from obstacles during aerial apllication operations.NTSB CHI91LA180Accident · No injuriesLimited investigationFinal reportCessna 180 · Orr, MNBecause of inadequate compensation for the wind conditions, aircraft control was lost by the pilot. A factor related to the accident was a gusty crosswind landing environment.NTSB CHI91LA191Accident · No injuriesLimited investigationFinal reportPiper PA-22-150 · Eagle Bend, MNThe pilot in command's failure to attain proper alignment with the runway. Factors contributing to this accident were an unreliable airspeed indicator and the pilot's decision to operate with this known deficiency.NTSB CHI91DER07Accident · No injuriesFinal reportPiper PA-36-375 · Breckentidge, MNThe pilot's failure to take adequate remedial action during the attempted climb out. A related factor is the premature lift off.NTSB CHI91DER05Accident · No injuriesFinal reportBell 47G3B1 · Lasalle, MNThe pilot's failure to maintain adequate clearance from the terrain. A related factor is the pilot's misjudged altitude above the crop.NTSB CHI91DER04Accident · No injuriesFinal reportBellanca Eagle DW-1 · Hector, MNThe loss of engine power due to the total failure of a connecting rod. Related factors are the low maneuvering altitude and the unsuitable (muddy) terrain encountered during the forced landing.NTSB CHI91TL#04Accident · Minor injuriesClass 3Final reportHughes TH-55A · Roseau, MNNTSB CHI91LA170Accident · No injuriesLimited investigationFinal reportPiper PA28-140 · Albany, MNThe cfi's failure to take timely and proper remedial action when the student pilot lost directional control during the takeoff roll. Factors in the accident are the tall grass edging the runway, and the student pilot's lack of total experience.NTSB CHI91LA168Accident · No injuriesLimited investigationFinal reportCessna 150 · Cambridge, MNPartial loss of engine power due to improper use of carburetor heat and a stall encountered by the pilot.NTSB CHI91LA167Accident · Minor injuriesLimited investigationFinal reportBeech C-23 · Cottage Grove, MNThe pilot in command's improper pre flight planning and preparation. Factors contributing to this accident were the pilot in command's lack of familiarity with the airplane and improper fuel consumption calculations.NTSB CHI91LA161Accident · No injuriesLimited investigationFinal reportPiper PA-22-160 · Mankato, MNPartial loss of engine power due to an unlocked engine primer. Factors related to the accident were that the pre takeoff check list was not followed by the pilot and the lack of suitable terrain for the forced landing.NTSB CHI91LA276Accident · No injuriesLimited investigationFinal reportPiper PA-38-112 · Monticello, MNThe pilot in command's (CFI) delayed remedial action. Related factors are the gusty crosswind, the student pilot's lack of total experience, inadequate compensation for crosswind conditions, and the cfi's failure to maintain directional control.NTSB CHI91LA142Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-140 · Hibbing, MNThe student pilot's improper flare of the airplane and the cfi's failure to maintain directional control during the recovery. A factor was the soft terrain.NTSB CHI91LA128Accident · No injuriesLimited investigationFinal reportDe Havilland Beaver U-6A · Oak Island, MNUnsuitable terrain was selected by the pilot. A factor related to the accident was the terrain/runway was composed of weak ice.NTSB CHI91DER02Accident · 1 fatalFinal reportPaulbicke Bede 5B · Park Rapids, MNThe pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall and subsequent spin.NTSB CHI91FA116Accident · 1 fatalField investigationFinal reportMooney M-20C · Prior Lake, MNFailure to maintain airspeed while executing a forced landing. Factors related to the accident were the pilot's improper inflight planning/decision, and fuel exhaustion.NTSB CHI91LA123Accident · No injuriesLimited investigationFinal reportPiper PA-20 · Grand Marais, MNFailure of the pilot to maintain directional control. The crosswind and snow covered runway were related factors.