NTSB investigations, 1991, SD

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

19622026
NTSB investigations, 1991, SD per year, 1962–2026: 1,074 cases
19621
196440
196543
196642
196746
196839
196935
197037
197130
197227
197320
197428
197535
197621
197744
197838
197927
198024
198128
198218
198322
198422
198515
198614
198711
198811
19896
199016
199112
19929
199311
199410
199512
199611
199712
199814
19998
200012
200111
20028
200316
200410
20059
20065
200710
20089
20098
20108
201113
201215
20138
20147
20159
20168
20177
20189
201911
20207
20212
20227
20236
20245
202510
20265

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\" = 'SD' 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 CHI91DTK04Accident · 1 fatalFinal reportBoland/Poe Tsunami · Pierre, SDA bending overload failure of the wing flap control rods and remedial action by the pilot was not possible. Factors in the accident are the inadequate design of the wing flap system by the pilot/operator manufacturer and his lack of total experience in type…Sep 25, 1991 · NX39JR · DestroyedNTSB CHI91DTK05Accident · No injuriesFinal reportEagle DW1 · Hurley, SDThe failure of the pilot to maintain a visual lookout.Sep 10, 1991 · N8814L · Substantial damageNTSB CHI91LA270Accident · Minor injuriesLimited investigationFinal reportCessna 150L · Watertown, SDAttempted formation flying with N4535E by the pilot of N16098. Factors associated with the collision were: nonperformance of preflight planning, and failure to follow procedures and directives by the pilot of N16098.Aug 24, 1991 · N16098 · 2 aircraft · Substantial damageNTSB CHI91LA239Accident · No injuriesLimited investigationFinal reportPiper PA-38 · Bridgewater, SDDirectional control was not maintained by the pilot. A factor related to the accident was a fence.Aug 1, 1991 · N6373A · Substantial damageNTSB CHI91DTK03Accident · 1 fatalFinal reportWag-Aero Super Cuby · Roscoe, SDThe pilot's inadvertent stall and inadequate remedial action. Associated factors are the pilot's lack of recent total experience and inadequate preflight planning/preparation.Jul 19, 1991 · N336DT · DestroyedNTSB CHI91DTK02Accident · No injuriesFinal reportCessna 188/B · Hecla, SDThe failure of the pilot to maintain aircraft control as he attempted to jettison a load of agricultural chemical after the airplane failed to climb after takeoff. Factors associated with the accident are an attempted downwind takeoff by the pilot.Jul 13, 1991 · N9399G · Substantial damageNTSB CHI91LA210Accident · 2 fatalLimited investigationFinal reportCessna 150F · Faulkton, SDAn inadvertent stall. A factor related to the accident was the pilot's failure to maintain airspeed.Jul 5, 1991 · N6263R · DestroyedNTSB CHI91LA209Accident · Minor injuriesLimited investigationFinal reportChampion 7KCAB · Hill City, SDPoor preflight planning by the pilot and over confidence in the aircrafts ability. Factors related to the accident were a high density altitude and a proper climb rate not attained.Jul 4, 1991 · N1844G · Substantial damageNTSB CHI91LA202Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-140 · Vermillion, SDThe pilot's decision to operate the airplane with known deficiencies and an improper landing flare. Related factors are the use of automobile fuel, extreme temperatures and overshooting the planned landing approach.Jun 27, 1991 · N541FL · Substantial damageNTSB CHI91DTK01Accident · 2 fatalFinal reportPiper PA-18-125 · Newell, SDAn inadvertent stall/spin during maneuvering flight and inadequate remedial action by the pilot. Factors associated with the accident are the pilot's disregard for procedures and directives and inadequate initial training.May 26, 1991 · N1799A · DestroyedNTSB CHI91LA143Accident · No injuriesLimited investigationFinal reportCessna 170A · Newell, SDThe pilot's improper aircraft handling.Apr 24, 1991 · N5720C · Substantial damageNTSB CHI91LA117Accident · No injuriesLimited investigationFinal reportCessna 172 · Yankton, SDFailure of the pilot to maintain directional control of the aircraft during landing. The adverse wind condition and the pilot's lack of total experience were related factors.Mar 27, 1991 · N1743V · Substantial damage