NTSB investigations: Air Tractor AT-301
25 cases on aircraft the registry lists as Air Tractor AT-301, 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
| 2008 | 5 |
|---|---|
| 2009 | 1 |
| 2010 | 4 |
| 2011 | 5 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 2 |
| 2016 | 2 |
| 2018 | 1 |
| 2022 | 1 |
| 2024 | 1 |
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 ('0390103', '0390105')
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 ('0390103', '0390105')
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 CEN24LA241Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-301 · Andover, MOThe pilot’s inability to maintain altitude and airspeed during cruise flight likely due to a decrease in engine performance associated with the unauthorized use of automobile fuel, which led to an inflight collision with a tree and hard landing.NTSB CEN22LA354Accident · No injuriesClass 3 · LimitedFinal reportAir Tractor AT-301 · Lamoni, IAA loss of airplane performance for reasons that could not be determined.NTSB CEN18LA288Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Milford, IAThe pilot's loss of airplane control during takeoff for reasons that could not be determined because no anomalies consistent with a flight control system malfunction were observed.NTSB WPR16LA159Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Weiser, IDA partial loss of engine power due to an internal catastrophic failure of the master rod crankpin bearing.NTSB GAA16CA399Accident · No injuriesData collectionFinal reportAir Tractor AT 301 · Bird Island, MNThe pilot's diverted attention inside the cockpit and failure to maintain the airplane's altitude while maneuvering at a low altitude, resulting in an impact with terrain.NTSB CEN14LA287Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Pearsall, TXThe failure of the No. 1 cylinder rod at the link pin. Contributing to the accident was oil starvation to the rod bearing due to the improper flushing of the oil cooler, which allowed metal and other debris in the oil to clog the drain and the led to the…NTSB CEN14LA284Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Winner, SDThe pilot's improper decision to attempt a takeoff with a tailwind and his failure to achieve the proper airspeed for liftoff, which resulted in the airplane exceeding its critical angle of attack and entering an aerodynamic stall shortly after liftoff.NTSB CEN13LA472Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-301 · Simmesport, LAThe pilot's failure to maintain proper airplane pitch control while maneuvering at an altitude that was too low for recovery.NTSB ERA13CA163Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Greenbrier, ALThe pilot’s failure to maintain adequate clearance from trees.NTSB CEN12CA264Accident · No injuriesData collectionFinal reportAir Tractor AT-301A · Cheyenne Wells, COThe pilot’s inadequate compensation for the wind conditions during takeoff.NTSB ERA12CA050Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · McAlpin, FLThe pilot's misjudgment of the airplane's distance from known transmission lines.NTSB CEN11LA598Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Edgeley, NDThe loss of engine power for reasons that could not be determined because postaccident examination of the airplane and engine did not reveal any anomalies that would have precluded normal operation.NTSB WPR11CA286Accident · No injuriesData collectionFinal reportAir Tractor AT301 · Circle, MTThe pilot's failure to attain and maintain an adequate airspeed during initial climb.NTSB WPR11LA272Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-301 · Hogeland, MTCollision with the ground while maneuvering at low altitude for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB CEN11CA330Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Garwood, TXThe pilot's failure to maintain adequate clearance from transmission wires during a low-level maneuvering flight.NTSB CEN10CA582Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Atkins, ARA partial loss of engine power during low-altitude flight for undetermined reasons.NTSB CEN10CA412Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Edmore, NDThe pilot's selection of unsuitable terrain for landing.NTSB CEN10CA262Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · D'Hanis, TXThe pilot's failure to properly set the airplane's flaps prior to takeoff.NTSB CEN10CA185Accident · Minor injuriesData collectionFinal reportAir Tractor AT-301 · Malden, MOThe pilot's failure to maintain clearance from a tree during an aerial application flight.NTSB ERA09LA385Accident · 1 fatalLimited investigationFinal reportAir Tractor AT-301 · Brinson, GAThe pilot's failure to maintain adequate airspeed while maneuvering, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's lack of experience in the make and model airplane.NTSB CHI08CA266Accident · No injuriesData collectionFinal reportAir Tractor AT-301A · Jasper, MNThe pilot's failure to assure the primer control was locked during the aircraft preflight. Factors associated with the accident were the low altitude at which the airplane was operating, the fence, the roadway, and the ditch.NTSB DFW08CA216Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Wisner, LAThe loss of engine power for undetermined reasons.NTSB CHI08CA251Accident · Minor injuriesData collectionFinal reportAir Tractor AT-301B · Monticello, IAPoor preflight planning in that the pilot failed to assure an adequate fuel supply was on board for the flight which resulted in fuel exhaustion. Factors associated with the accident were the low altitude of the airplane when the loss of power occurred and…NTSB CHI08CA223Accident · No injuriesData collectionFinal reportAir Tractor AT-301 · Ambia, INThe altitude/clearance not obtained/maintained by the pilot while maneuvering over an agricultural field during an aerial application. Contributing factors were the sunglare in the direction of flight, the low altitude of the operation, and the upslope of the…NTSB MIA08CA078Accident · Minor injuriesData collectionFinal reportAir Tractor AT-301 · Columbus, MSThe failure of the pilot to maintain airspeed while maneuvering.