NTSB investigations: Boeing A75N1(PT17)
21 cases on aircraft the registry lists as Boeing A75N1(PT17), where the sequence of events included Collision with terr/obj (non-CFIT). 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 | 3 |
|---|---|
| 2011 | 3 |
| 2012 | 2 |
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 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\" = '470' 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" = '470' 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 WPR25LA059Accident · No injuriesClass 4 · LimitedFinal reportBoeing A75N1(PT17) · El Cajon, CAThe pilot’s inability to maintain directional control during landing with a flat tire.NTSB ERA25LA047Accident · No injuriesClass 3 · LimitedFinal reportBoeing A75N1(PT17) · Huntington, WVThe pilot’s failure to utilize carburetor heat while operating the engine at low power and in conditions conducive to the formation of carburetor ice, which resulted in a total loss of engine power due to carburetor icing.NTSB WPR23LA343Accident · Minor injuriesClass 3 · LimitedFinal reportBoeing A75N1(PT17) · Monticello, UTA partial loss of engine power for reasons that could not be determined.NTSB CEN22LA395Accident · Serious injuriesClass 4 · LimitedFinal reportBoeing A75N1(PT17) · Prue, OKThe pilot’s failure to maintain clearance from power lines during intentional low-level maneuvering.NTSB WPR21LA208Accident · Minor injuriesClass 3 · LimitedFinal reportBoeing A75N1(PT17) · Hollister, CAThe improper installation of a relief valve spring that was shorter than the standard spring length, which slowed the response of the propeller governor to change the pitch of the blades during climbout, resulting in a partial loss of power.NTSB WPR19LA125Accident · Minor injuriesClass 3 · LimitedFinal reportStearman A75N1(PT17) · Sequim, WAThe total loss of engine power due to the fatigue failure of the crankshaft.NTSB GAA19CA009Accident · No injuriesData collectionFinal reportStearman A75N1(PT17) · New Orleans, LAThe pilot’s failure to maintain directional control during a crosswind landing.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 GAA17CA053Accident · No injuriesData collectionFinal reportBoeing A75N1(PT17) · Valley Center, KSThe pilot's failure to maintain directional control during the landing roll and to see and avoid the airplane stopped on the edge of the runway.NTSB GAA16CA467Accident · No injuriesData collectionFinal reportBoeing A75N1(PT17) · Atlanta, TXThe pilot's failure to attain the proper touchdown point on a grass airstrip and the airplane's subsequent collision with trees during an attempted aborted landing.NTSB WPR16FA169Accident · 1 fatalField investigationFinal reportBoeing A75N1(PT17) · Madras, ORThe pilot's failure to maintain clearance from the runway during a low-level aerobatic maneuver. Contributing to the accident was a high density altitude and the pilot's failure to plan/adequately compensate for high density altitude conditions.NTSB CEN15LA294Accident · No injuriesLimited investigationFinal reportBoeing A75N1 (PT17) · Louisburg, KSA partial loss of engine power for reasons that could not be determined during postaccident examinations.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 CEN12CA405Accident · No injuriesData collectionFinal reportBoeing A75N1(PT17) · Glencoe, MNThe pilot's failure to maintain directional control of the airplane during the landing roll.NTSB ERA12CA334Accident · No injuriesData collectionFinal reportBoeing A75N1(PT17) · Weirsdale, FLThe pilot's failure to maintain directional control while landing in a gusty variable crosswind.NTSB CEN11LA578Accident · Serious injuriesLimited investigationFinal reportBoeing A75N1(PT17) · Fabens, TXThe pilot’s decision to continue the high density altitude takeoff with reduced engine power and his decision to initiate a turn back to the runway with insufficient airspeed, which resulted in an aerodynamic stall.NTSB CEN11LA375Accident · No injuriesLimited investigationFinal reportBoeing A75N1(PT17) · Junction City, KSThe degraded engine performance due to low compression on the cylinder and delayed ignition timing.NTSB CEN11LA365Accident · Minor injuriesLimited investigationFinal reportBoeing A75N1 (PT17) · Freemont, MIThe pilot’s failure to attain a positive climb rate following takeoff for reasons that could not be determined because the propeller was not provided for further examination. Contributing to the accident was the pilot's impairment from alcohol.NTSB ERA11CA035Accident · No injuriesData collectionFinal reportBoeing PT17 · Fayetteville, WVThe pilot's failure to maintain directional control during the takeoff roll.NTSB WPR11CA014Accident · No injuriesData collectionFinal reportBoeing A75N1(PT17) · Palm Springs, CAThe pilot's failure to maintain directional control during landing, resulting in a ground loop.NTSB ERA10CA500Accident · No injuriesData collectionFinal reportBoeing A75N1 · Bealeton, VAThe pilot under instruction’s improper recovery from a bounced landing and the flight instructor’s delayed remedial action, which resulted in a ground loop and collision with trees.