# NTSB investigations: Boeing A75N1(PT17), WI

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB CEN18LA360](https://openairdocs.org/ntsb/CEN18LA360.md): Stearman A75N1(PT17) · Kenosha, WI · Accident · No injuries · Limited investigation · Final report · Aug 31, 2018 · N64604 · Substantial damage
  > The 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.
- [NTSB GAA17CA524](https://openairdocs.org/ntsb/GAA17CA524.md): Boeing A75N1(PT17) · Oshkosh, WI · Accident · Minor injuries · Data collection · Final report · Sep 3, 2017 · N52813 · Substantial damage
  > The pilot’s overapplication of the brakes, which resulted in the biplane coming to rest inverted.
- [NTSB CHI96LA252](https://openairdocs.org/ntsb/CHI96LA252.md): Boeing A75N1 · East Troy, WI · Accident · No injuries · Limited investigation · Final report · Jul 21, 1996 · N58712 · Substantial damage
  > corrosion and fracture of the rudder control horn.
- [NTSB CHI93LA349](https://openairdocs.org/ntsb/CHI93LA349.md): Boeing Stearman A75N1 · Delevan, WI · Accident · No injuries · Limited investigation · Final report · Sep 3, 1993 · N55501 · Substantial damage
  > the 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.
- [NTSB CHI90FA212](https://openairdocs.org/ntsb/CHI90FA212.md): Boeing A75N1 · Oshkosh, WI · Accident · 1 fatal · Field investigation · Final report · Aug 2, 1990 · N25400 · Destroyed
  > The pilot-in-command's failure to maintain airspeed sufficient to avoid a stall/spin at an altitude insufficient to effect a full recovery.
- [NTSB CHI82DA295](https://openairdocs.org/ntsb/CHI82DA295.md): Boeing Stearman A75-300N1 · Whitehall, WI · Accident · No injuries · Final report · Aug 5, 1982 · N802RB · Substantial damage
  > The 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…
- [NTSB CHI80DEP32](https://openairdocs.org/ntsb/CHI80DEP32.md): Stearman A75-N1 · City Point, WI · Accident · No injuries · Closed · May 23, 1980 · N63111 · Substantial damage
- [NTSB CHI76DEP13](https://openairdocs.org/ntsb/CHI76DEP13.md): Stearman A75N1 · Portage, WI · Accident · Minor injuries · Closed · Aug 11, 1975 · N55891 · Destroyed
- [NTSB CHI76DEP06](https://openairdocs.org/ntsb/CHI76DEP06.md): Stearman A75N1 · Alma Center, WI · Accident · No injuries · Closed · Jul 22, 1975 · N55898 · Substantial damage
- [NTSB CHI75DEP24](https://openairdocs.org/ntsb/CHI75DEP24.md): Boeing A75 · Lone Rock, WI · Accident · No injuries · Closed · Sep 8, 1974 · N55898 · Substantial damage
- [NTSB CHI75FEP19](https://openairdocs.org/ntsb/CHI75FEP19.md): Boeing A75N1 · Plover, WI · Accident · 1 fatal · Closed · Sep 1, 1974 · N60334 · Destroyed
- [NTSB CHI75DEP16](https://openairdocs.org/ntsb/CHI75DEP16.md): Boeing A75N1 · Friendship, WI · Accident · No injuries · Closed · Aug 17, 1974 · N61836 · Destroyed
- [NTSB CHI74FEP49](https://openairdocs.org/ntsb/CHI74FEP49.md): Boeing A75N1 · Lone Rock, WI · Accident · No injuries · Closed · Jun 13, 1974 · N111Q · Substantial damage
- [NTSB UNK64X3494](https://openairdocs.org/ntsb/UNK64X3494.md): Boeing A75N1 · Delavan, WI · Accident · No injuries · Closed · Aug 20, 1964 · N63695 · Destroyed

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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
```

This list as a web page: https://openairdocs.org/ntsb?model=1380134&state=WI

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