NTSB investigations, 1998, WY

180,611 investigations by the National Transportation Safety Board since 1962: 174,590 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

19642026
NTSB investigations, 1998, WY per year, 1964–2026: 1,568 cases
196447
196552
196650
196755
196847
196953
197042
197134
197238
197345
197437
197542
197638
197748
197845
197934
198043
198140
198247
198344
198432
198520
198631
198716
198822
198914
199018
199121
199218
199324
199424
199515
199616
199712
199821
199921
200020
200117
200216
200319
200416
200517
200613
200713
200818
20094
20109
201126
201218
201315
201411
201514
201610
201711
201813
201911
20209
20215
202213
20236
202416
20259
202613

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\") = 1998
    AND c.\"eventStateOrRegion\" = 'WY' 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 DEN99LA017Accident · No injuriesLimited investigationFinal reportCessna 182A · Bedford, WYThe pilot's failure to identify a soft area on his newly constructed airstrip, which subsequently caused his airplane to nose over.Nov 1, 1998 · N6352B · Substantial damageNTSB DEN99FA012Accident · 2 fatalField investigationFinal reportPiper PA-28-235 · Buffalo, WYThe non-instrument rated pilot's initiated flight into adverse weather conditions and inadvertently flew into IMC weather conditions. Factors were the low ceiling weather conditions, the dark night light conditions, and a non operating VOR navigational aid.Oct 19, 1998 · N8537N · DestroyedNTSB DEN99LA008Accident · Minor injuriesLimited investigationFinal reportStinson 108-3 · Jackson Hole, WYThe pilot's inability to maintain adequate airspeed which resulted in an inadvertent stall/mush. Factors contributing to the accident were the unfavorable weather condition, mountain wave and the high density altitude.Oct 13, 1998 · N569C · DestroyedNTSB FTW98LA391Accident · No injuriesLimited investigationFinal reportCessna 180F · Douglas, WYA collision with a deer during take-off.Sep 11, 1998 · N4612U · Substantial damageNTSB FTW98LA374Accident · No injuriesLimited investigationFinal reportBeech B36TC · Pinedale, WYThe pilot not following his Pilot Operating checklist procedures. A factor was the aborted landing which interfered with the pilot's normal traffic pattern habit.Aug 5, 1998 · N4BA · Substantial damageNTSB FTW98FA354Accident · 1 fatalField investigationFinal reportMooney M20J · Centennial, WYThe pilot's disregard of information provided in weather briefs, and his flight into known adverse weather in mountainous terrain which resulted in an in-flight collision with a mountain. Factors were rain and low ceiling/visibility.Aug 4, 1998 · N5698L · DestroyedNTSB FTW98LA336Accident · No injuriesLimited investigationFinal reportGrumman American AA-5B · Cody, WYThe pilot's failure to maintain visual lookout while taxiing the aircraft.Jul 27, 1998 · N28241 · Substantial damageNTSB FTW98LA334Accident · Minor injuriesLimited investigationFinal reportCessna 500 · Rawlins, WYThe captain's use of improper airplane performance data, resulting in inadequate takeoff capability. Factors were his decision to abort the takeoff above V1, the separation of the drag chute, a wet runway, a tailwind, and collision with objects that included…Jul 25, 1998 · CFSKC · DestroyedNTSB FTW98LA332Accident · No injuriesLimited investigationFinal reportPiper PA-22-135 · Rock Springs, WYThe pilot's failure to maintain directional control, and an inadvertent ground loop/swerve.Jul 25, 1998 · N1202C · Substantial damageNTSB FTW98LA309Accident · Serious injuriesLimited investigationFinal reportOverton Mustang M-II · Hillsdale, WYThe pilot's inadequate visual lookout and his failure to maintain adequate clearance from obstacles. Factors were an intentional low altitude flight maneuver, wires, and low light conditions.Jul 11, 1998 · N121GD · Substantial damageNTSB FTW98LA308Accident · No injuriesLimited investigationFinal reportPiper PA-20-160 · Kemmerer, WYThe pilot's failure to maintain directional control of the airplane, resulting in a ground loop. A factor was the pilot's lack of experience in a conventional landing gear type of airplane.Jul 2, 1998 · N8933D · Substantial damageNTSB FTW98LA288Accident · No injuriesLimited investigationFinal reportPiper PA-23-160 · Casper, WYThe pilot's improper in-flight planning and decision making by selecting an inadequate landing area for an emergency landing when a suitable landing area was available. Factors were fuel exhaustion, inaccurate preflight planning, and lack of recent experience.Jun 26, 1998 · N4132P · Substantial damageNTSB FTW98LA270Accident · No injuriesLimited investigationFinal reportPiper PA-25-260 · Douglas, WYThe pilot's inadequate judgement in attempting to takeoff from unsuitable rough terrain.Jun 17, 1998 · N8531L · Substantial damageNTSB FTW98LA254Accident · No injuriesLimited investigationFinal reportCessna 172A · Ten Sleep, WYThe student pilot's failure to select a proper touchdown point. A factor was his lack of recent experience conducting solo flight operations.May 24, 1998 · N9863T · DestroyedNTSB FTW98LA201Accident · No injuriesLimited investigationFinal reportCessna 320D · Greybull, WYStress overload failure of the bellcrank assembly of the left landing gear.May 1, 1998 · N3316Q · Substantial damageNTSB FTW98LA200Accident · No injuriesLimited investigationFinal reportPiper PA-24-400 · Jackson, WYthe pilot's misjudgment of distance and speed, while approaching to land; his failure to attain a proper touchdown point for landing; and his failure to go around, while there was sufficient runway remaining. A related factor was the uneven terrain, which was…May 1, 1998 · N8536P · Substantial damageNTSB FTW98LA176Accident · Serious injuriesLimited investigationFinal reportCessna P206B · Riverton, WYcontinued flight by the pilot into instrument meteorological conditions (IMC), and his failure to maintain sufficient altitude from terrain, while manuevering to reverse direction. Related factors were: the adverse weather conditions, mountainous terrain, and…Apr 7, 1998 · N4728F · DestroyedNTSB FTW98LA169Accident · No injuriesLimited investigationFinal reportAeronca 7DC · Wright, WYThe pilot's use of unsuitable terrain for takeoff. Factors were snow and rock covered terrain, inadequate aircraft preflight, improper aircraft servicing, and the fuel contaminated by water.Mar 31, 1998 · N4484E · Substantial damageNTSB FTW98LA125Accident · No injuriesLimited investigationFinal reportPiper PA-18-105 · Sheridan, WYthe pilot's improper use of carburetor heat, which resulted in loss of engine power due to carburetor ice. Factors relating to the accident were: the carburetor icing (weather) condition, and the lack of a suitable area for an emergency landing.Feb 6, 1998 · N316T · Substantial damageNTSB FTW98LA116Accident · No injuriesLimited investigationFinal reportCessna 172 · Laramie, WYThe pilot's improper flare and subsequent improper go-around in that he failed to use compensating elevator control, and his loss of directional control.Jan 30, 1998 · N6926A · Substantial damageNTSB FTW98LA113Accident · No injuriesLimited investigationFinal reportCessna 182Q · Keeline, WYfailure of the pilot to maintain directional control of the airplane during the landing roll. Factors relating to the accident included: a snow covered/icy/muddy area on the runway, and the proximity of a snowbank to the runway.Jan 22, 1998 · N759QZ · Substantial damage