NTSB investigations, 1991, IN

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

19632026
NTSB investigations, 1991, IN per year, 1963–2026: 2,978 cases
19631
1964107
1965116
1966119
1967132
1968106
196988
197083
197181
197288
197377
197466
197586
197678
197790
197895
197970
198076
198152
198255
198354
198455
198554
198658
198753
198866
198945
199042
199133
199229
199335
199438
199533
199631
199736
199835
199922
200034
200129
200225
200320
200426
200520
200628
200723
200822
200930
201027
201126
201226
201322
201416
201519
201623
201722
201819
201922
202017
202121
202221
202316
202417
202513
20269

Latest 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\" = 'IN' 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.

NTSB CHI92LA065Accident · No injuriesLimited investigationFinal reportCessna 172 · Greencastle, INThe worn centering locking lug on the nose gear assembly.Dec 31, 1991 · N3281L · Substantial damageNTSB CHI92LA064Accident · Serious injuriesLimited investigationFinal reportCessna 182K · Huntington, INPilot factor in that he failed to maintain flying speed in a turn which resulted in an inadvertent stall. Factors related to the accident are; icing conditions, hazardous weather advisory disregarded, flight into known adverse weather, and overconfidence in…Dec 31, 1991 · N2859R · DestroyedNTSB CHI92LA058Accident · No injuriesLimited investigationFinal reportCessna 150 · Charlestown, INFuel exhaustion. Factors related to the accident were inadequate maintenance of the airplane and the pilot's decision to fly an airplane with known mechanical deficiencies.Dec 13, 1991 · N60040 · Substantial damageNTSB CHI92LA048Accident · 1 fatalLimited investigationFinal reportBeech A36 · Rensselaer, INThe pilot's improper aircraft handling which resulted in an inadvertent stall and descent. Factors related to the accident were the obscuration & icing conditions.Dec 10, 1991 · N61054 · DestroyedNTSB CHI92LA056Accident · No injuriesLimited investigationFinal reportCessna 177 · Elkhart, INThe pilot in command's failure to use carburetor heat. A factor to the accident was the carburetor icing conditions.Dec 9, 1991 · N2961X · Substantial damageNTSB CHI92LA045Accident · No injuriesLimited investigationFinal reportPiper PA-15 · Indianapolis, INRemedial action was not performed by the cfi/pic. A factor related to the accident was directional control was not maintained by the student pilot.Dec 7, 1991 · N4302H · Substantial damageNTSB CHI92LA017Accident · No injuriesLimited investigationFinal reportMcdonnell Douglas MD369D · Beech Grove, INImproper installation of the flight control linkage during maintenance. Complacency and inadequate inspection of the helicopter by maintenance personnel and the pilot are factors in the accident.Oct 23, 1991 · N88SE · Substantial damageNTSB CHI92LA096Accident · Serious injuriesLimited investigationFinal reportCameron N120 · Goshen, INAn improper touchdown by the pilot in command.Oct 19, 1991 · N6092K · No damageNTSB CHI92FA013Accident · 2 fatalField investigationFinal reportPiper PA28-140 · Lafayette, INFailure of the pilot to compensate for wind conditions during initial climb. Factors associated with the accident are crosswind conditions and a dark night light condition.Oct 19, 1991 · N38713 · DestroyedNTSB CHI92LA016Accident · Serious injuriesLimited investigationFinal reportAerostar RX-8 · Warsaw, INPilot's delayed inflight planning/decision to land.Oct 18, 1991 · N357OK · No damageNTSB CHI92LA010Accident · No injuriesLimited investigationFinal reportMooney M20K · Knox, INThe overload failure of the #2 cylinder connecting rod. Contributing to the accident was the night light conditions and the pilot's inability to reach a suitable landing area.Oct 15, 1991 · N3947H · Substantial damageNTSB CHI92LA004Accident · No injuriesLimited investigationFinal reportBeech 95 · Elkhart, INThe inadequate amount of hydraulic fluid present in the normal brake system.Oct 9, 1991 · N1309Z · Substantial damageNTSB CHI91LA295Accident · No injuriesLimited investigationFinal reportCessna 152 · Marion, INFailure of the pilot to maintain directional control during the takeoff ground run from a touch-and-go landing.Sep 19, 1991 · N5463L · Substantial damageNTSB CHI91LA256Accident · Serious injuriesLimited investigationFinal reportLuscombe 8E · Valparaiso, INThe pilot in command's failure to maintain airspeed. A factor contributing was improper maintenance (design change) performed by an unqualified person (pilot in command).Aug 11, 1991 · N45WB · Substantial damageNTSB CHI91LA251Accident · Minor injuriesLimited investigationFinal reportStinson 108-1 · Elwood, INA premature lift-off which resulted in a mush/stall. A factor related to the accident was lack of total experience in type of operation.Aug 4, 1991 · N8619K · Substantial damageNTSB CHI91LA245Accident · Serious injuriesLimited investigationFinal reportHiller 1345 · Michigan City, INFuel exhaustion due the pilot's delay in refueling. Factors related to the accident were pressure induced by others (passenger), and the absence of suitable terrain.Aug 3, 1991 · N57972 · Substantial damageNTSB CHI91LA226Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-161 · Lafayette, INEngine failure due to fuel exhaustion and refueling not performed by the cfi/pic.Jul 24, 1991 · N525PU · Substantial damageNTSB CHI91FA228Accident · 2 fatalField investigationFinal reportRobinson R 22B · Carmel, INThe pilot's delaying remedial action. Factors in the accident were the pilot's failure to attain adequate rotor RPM for takeoff, failure to abort takeoff and lack of total experience in helicopters.Jul 24, 1991 · N8017D · DestroyedNTSB CHI91LA221Accident · No injuriesLimited investigationFinal reportCessna 150M · Merrillville, INImproper pre-flight planning and preparation by the pilot-in-command. Factors related to this accident were the pilot-in-commands's inattentiveness concerning the refueling of his airplane, and inadequate fuel supply, inattentive ground personnel, and…Jul 22, 1991 · N714EC · Substantial damageNTSB CHI91DEX04Accident · Minor injuriesFinal reportWilbur D. Batman Challenger II · Lebanon, INFailure to maintain stall airspeed while executing a forced landing. A factor related to the accident is failure of the engine starter clutch.Jul 4, 1991 · N503DB · Substantial damageNTSB CHI91DEX03Accident · No injuriesFinal reportCessna 320F · Washington, INExceeding the aircraft's proper descent rate by the pilot in command. Factors related to the accident were inoperative runway edge lights, proper alignment not attained, improperly planned approach, and inadequate facility maintenance.Jun 8, 1991 · N6158Q · Substantial damageNTSB CHI91LA182Accident · No injuriesLimited investigationFinal reportCessna 310L · Fort Wayne, INThe improper installation of a bearing by maintenance personnel.Jun 6, 1991 · N3337X · Substantial damageNTSB CHI91LA173Accident · Serious injuriesLimited investigationFinal reportGulfstream American AA1A · Evansville, INThe failure by maintenance personnel to identify the proper replacement cylinder.May 28, 1991 · N5675L · Substantial damageNTSB CHI91LA153Accident · No injuriesLimited investigationFinal reportCessna 177 · Decatur, INFailure to obtain airspeed for positive lift off and climb. Factors related to the accident were a grass/sod runway and a high density altitude.May 12, 1991 · N3345T · Substantial damageNTSB CHI91LA129Accident · Serious injuriesLimited investigationFinal reportCessna 172G · Griffith, INContaminated fuel in the carburetor, and inadequate inspection/maintenance of the airplane by the pilot in command.Apr 10, 1991 · N1375F · Substantial damageNTSB CHI91LA124Accident · Minor injuriesLimited investigationFinal reportCessna C172N · North Liberty, INThe pilot's inadvertent touchdown and inadequate remedial action. Related factors are the low pass maneuver, and the soft terrain.Apr 4, 1991 · N737VP · Substantial damageNTSB CHI91LA101Accident · No injuriesLimited investigationFinal reportCessna T210N · Elwood, INThe pilot's improper use of the fuel selector which resulted in fuel starvation. A related factor was: soft terrain in the emergency landing area.Feb 27, 1991 · N210MS · Substantial damageNTSB CHI91DEX02Accident · No injuriesFinal reportHagg Starduster TOO · Shelbyville, INThe pilot's inadequate preflight planning/preparation, not refueling the aircraft before taking off on this flight, and inaccurate fuel consumption calculations. A factor related to the accident is the unsuitable terrain selected by the pilot for a forced…Feb 3, 1991 · N224JH · Substantial damageNTSB CHI91LA086Accident · No injuriesLimited investigationFinal reportBeech 200 · Indianapolis, INSeparation of the aft, upper, accessory case cowl assembly from the airplane, and inadequate airframe equipment provided by the manufacturer.Feb 1, 1991 · N5584M · Substantial damageNTSB CHI91LA083Accident · Serious injuriesLimited investigationFinal reportCessna R182 · Indianapolis, INVisual outlook was not possible and aircraft directional control was not maintained by the pilot. Factors related to the accident were dense fog, early dawn light conditions, poor judgement and over confidence in personal ability by the pilot and trees in the…Jan 28, 1991 · N6610S · Substantial damageNTSB CHI91LA082Accident · No injuriesLimited investigationFinal reportCessna 170B · Rochester, INThe pilot-in-command's inadequate compensation for wind conditions. A factor contributing to the accident was the crosswind.Jan 26, 1991 · N4414B · Substantial damageNTSB CHI91LA087Accident · Serious injuriesLimited investigationFinal reportBoeing 727-200 · Indianapolis, INThe pilot's failure to use proper procedures and the improper use of the throttles.Jan 25, 1991 · N815AA · No damageNTSB CHI91LA064Accident · Minor injuriesLimited investigationFinal reportCessna 320E · Elkhart, INA fractured landing gear retraction assembly component and the pilot's improper emergency procedure.Jan 10, 1991 · N4695X · Substantial damage