NTSB investigations: Boeing A75N1(PT17), WI

14 cases on aircraft the registry lists as Boeing A75N1(PT17). Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

19642026
NTSB investigations: Boeing A75N1(PT17), WI per year, 1964–2026: 14 cases
19641
19744
19752
19801
19821
19901
19931
19961
20171
20181

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 c.\"eventStateOrRegion\" = 'WI' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1380134'))
  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 CEN18LA360Accident · No injuriesLimited investigationFinal reportStearman A75N1(PT17) · Kenosha, WIThe failed retaining bolt and cracked backing plate, which resulted in a shift of the brake lining to contact the brake drum and a subsequent wheel lock when the brakes were applied.Aug 31, 2018 · N64604 · Substantial damageNTSB GAA17CA524Accident · Minor injuriesData collectionFinal reportBoeing A75N1(PT17) · Oshkosh, WIThe pilot’s overapplication of the brakes, which resulted in the biplane coming to rest inverted.Sep 3, 2017 · N52813 · Substantial damageNTSB CHI96LA252Accident · No injuriesLimited investigationFinal reportBoeing A75N1 · East Troy, WIcorrosion and fracture of the rudder control horn.Jul 21, 1996 · N58712 · Substantial damageNTSB CHI93LA349Accident · No injuriesLimited investigationFinal reportBoeing Stearman A75N1 · Delevan, WIthe excessive use of brakes and rudder by the pilot-in-command. A factor related to the accident was the pilot-in-command's lack of total experience in this type of aircraft.Sep 3, 1993 · N55501 · Substantial damageNTSB CHI90FA212Accident · 1 fatalField investigationFinal reportBoeing A75N1 · Oshkosh, WIThe pilot-in-command's failure to maintain airspeed sufficient to avoid a stall/spin at an altitude insufficient to effect a full recovery.Aug 2, 1990 · N25400 · DestroyedNTSB CHI82DA295Accident · No injuriesFinal reportBoeing Stearman A75-300N1 · Whitehall, WIThe pilot received a weather briefing before takeoff, and reportedly, was advised that VFR flight was not recommended. During the flight, the ceiling and visibility began to decrease. The pilot decided to make a precautionary landing in a field. He stated…Aug 5, 1982 · N802RB · Substantial damageNTSB CHI80DEP32Accident · No injuriesClosedStearman A75-N1 · City Point, WIMay 23, 1980 · N63111 · Substantial damageNTSB CHI76DEP13Accident · Minor injuriesClosedStearman A75N1 · Portage, WIAug 11, 1975 · N55891 · DestroyedNTSB CHI76DEP06Accident · No injuriesClosedStearman A75N1 · Alma Center, WIJul 22, 1975 · N55898 · Substantial damageNTSB CHI75DEP24Accident · No injuriesClosedBoeing A75 · Lone Rock, WISep 8, 1974 · N55898 · Substantial damageNTSB CHI75FEP19Accident · 1 fatalClosedBoeing A75N1 · Plover, WISep 1, 1974 · N60334 · DestroyedNTSB CHI75DEP16Accident · No injuriesClosedBoeing A75N1 · Friendship, WIAug 17, 1974 · N61836 · DestroyedNTSB CHI74FEP49Accident · No injuriesClosedBoeing A75N1 · Lone Rock, WIJun 13, 1974 · N111Q · Substantial damageNTSB UNK64X3494Accident · No injuriesClosedBoeing A75N1 · Delavan, WIAug 20, 1964 · N63695 · Destroyed