NTSB investigations: Boeing A75N1(PT17)
11 cases on aircraft the registry lists as Boeing A75N1(PT17), where the sequence of events included Nose over/nose down. 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
| 2010 | 1 |
|---|---|
| 2011 | 1 |
| 2013 | 1 |
| 2015 | 1 |
| 2017 | 3 |
| 2018 | 1 |
| 2021 | 1 |
| 2024 | 2 |
Where
Open the mapLatest 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1380134')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s.\"tier2Number\" = '096' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\")))
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.
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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1380134')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '096' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB ERA25LA024Accident · No injuriesClass 4 · LimitedFinal reportBoeing A75N1(PT17) · Williamsburg, VAThe pilot’s failure to maintain directional control on landing.NTSB WPR24LA258Accident · No injuriesClass 4 · LimitedFinal reportBoeing A75N1(PT17) · Camarillo, CAThe pilot’s loss of directional control during landing, which resulted in a nose over.NTSB WPR21LA205Accident · No injuriesClass 4 · LimitedFinal reportBoeing A75N1(PT17) · Ventura, CAThe partial loss of engine power, during cruise flight, due to the formation of carburetor ice, which resulted in a forced landing to an open field where the airplane nosed over.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.NTSB GAA18CA050Accident · No injuriesData collectionFinal reportBoeing A75N1(PT17) · Rosamond, CAThe pilot’s failure to maintain directional control during the landing roll.NTSB WPR17LA197Accident · Serious injuriesLimited investigationFinal reportBoeing A75N1(PT17) · Santa Paula, CAA partial loss of engine power during initial climb for reasons that could not be determined based on the available information.NTSB GAA17CA524Accident · Minor injuriesData collectionFinal reportBoeing A75N1(PT17) · Oshkosh, WIThe pilot’s overapplication of the brakes, which resulted in the biplane coming to rest inverted.NTSB ERA15CA162Accident · No injuriesData collectionFinal reportBoeing A75N1(PT17) · St Marys, PAThe pilot's failure to maintain directional control while landing in a gusty crosswind, which resulted in a runway excursion and a nose over.NTSB WPR13CA324Accident · No injuriesData collectionFinal reportBoeing A75N1(PT17) · Canby, ORThe pilot's failure to maintain directional control during the landing rollout in gusting wind conditions.NTSB CEN11CA256Accident · No injuriesData collectionFinal reportBoeing A75N1(PT17) · Wichita, KSThe pilot's failure to maintain directional control during the landing roll.NTSB ERA11CA034Accident · Minor injuriesData collectionFinal reportBoeing A75 · Douglas, GAA nose-over due to excessive brake application.