NTSB investigations: Pratt & Whitney PT6A series, MS
20 cases on aircraft whose registry engine model is Pratt & Whitney PT6A series. 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
| 1992 | 1 |
|---|---|
| 1995 | 2 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 2 |
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2004 | 1 |
| 2008 | 1 |
| 2009 | 2 |
| 2011 | 1 |
| 2017 | 1 |
| 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.\"eventStateOrRegion\" = 'MS' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52032', '52034'))
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."eventStateOrRegion" = 'MS' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52032', '52034'))
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 CEN24LA246Accident · No injuriesClass 4 · LimitedFinal reportAir Tractor AT-402 · Helm, MSThe pilot’s failure to maintain control, which resulted in an aerodynamic stall and impact with terrain.NTSB CEN22LA138Accident · No injuriesClass 3 · LimitedFinal reportBeech 200 · Gulfport, MSThe failure of the right main landing gear actuator, which led to a gear-up landing.NTSB GAA18CA476Accident · No injuriesData collectionFinal reportAir Tractor AT502 · Louise, MSThe pilot's improper landing flare, which resulted in a hard, bounced landing and a subsequent loss of directional control.NTSB ERA17FA279Accident · 1 fatalField investigationFinal reportAir Tractor AT502 · Philipp, MSThe pilot's improper decision to attempt a visual flight rules flight in instrument meteorological conditions, below a low overcast ceiling, which resulted in controlled flight into terrain.NTSB ERA11LA298Accident · No injuriesLimited investigationFinal reportThrush S2R-T660 · Greenwood, MSA partial loss of engine power during low-altitude maneuvering for undetermined reasons.NTSB ERA09LA431Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT502 · Minter City, MSThe pilot’s failure to maintain airspeed while maneuvering at a low altitude, resulting in an aerodynamic stall.NTSB ERA09CA428Accident · Minor injuriesData collectionFinal reportAir Tractor AT502 · Dundee, MSThe pilot's failure to maintain aircraft control during takeoff.NTSB NYC08CA279Accident · No injuriesData collectionFinal reportAir Tractor AT-502B · Tunica, MSThe pilot's failure to maintain clearance from the power lines during low-altitude maneuvers.NTSB ATL04IA098Incident · No injuriesIncident investigationFinal reportCessna 208B · Tunica, MSThe pilot's improper use of the emergency power lever which resulted in excessive operating temperatures. A factor was the improper adjustment of the emergency power lever dead band.NTSB ATL02LA060Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502 · Schlater, MSan unknown person at an unknown time exceeded the engine temperature limitations that resulted in the failure of compressor turbine and the subsequent loss of engine power during takeoff.NTSB ATL01LA063Accident · 2 fatalLimited investigationFinal reportAir Tractor 502B · Anguilla, MSFailure of both pilots to maintain visual lookout, resulting in an in-flight collision. A factor was sun glare.NTSB MIA00LA237Accident · No injuriesLimited investigationFinal reportAir Tractor 502B · Perthshire, MSthe pilot's failure to perform a weight and balance check that resulted in overloading of the airplane with spraying material, for the weather conditions that existed at the time of takeoff. Factors in this accident were extremely high temperatures, which…NTSB MIA99LA257Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT-502B · Anguilla, MSThe P3 air line disconnected at the P3 air filter housing , and a 'B' nut not being safetied by maintenance personnel, which resulted in a total loss of engine power.NTSB MIA99LA229Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-402 · Holly Bluff, MSThe pilot's failure to maintain visual separation between his airplane and a tree while maneuvering during aerial application and the subsequent collision with the tree and the terrain. A factor in the accident was the sunglare on the airplane's windscreen.NTSB MIA98LA178Accident · No injuriesLimited investigationFinal reportAir Tractor 502 · Clarksdale, MSThe pilot's failure to extend the flaps for takeoff. A factor was his diverted attention to the loading of the airplane.NTSB MIA97LA195Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502 · Tunica, MSThe pilots poor preflight planning preparation for attempting to takeoff with a tailwind and with the hopper loaded 3/4 full during a 93degree F., day at a density altitude of 2,400 feet.NTSB ATL96LA130Accident · 1 fatalLimited investigationFinal reportAir Tractor 402 · Mayersville, MSthe pilot's misjudgment of his ground speed and distance to trees during the swath run, and his delayed pull-up at the end of the swath run, which resulted in his failure to remain clear of the trees. The tail wind and location of the trees were related…NTSB ATL95LA168Accident · No injuriesLimited investigationFinal reportAir Tractor 502B · Minter City, MSInadequate preflight planning/preparation by the pilot. Factors relating to the accident were: the excessive gross weight of the airplane and the high outside air temperature, which would have reduced the performance of the airplane.NTSB MIA95LA173Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502 · Belzoni, MSInadequate compensation for wind conditions by the pilot. The gusty crosswind was a factor.NTSB MIA92LA169Accident · No injuriesLimited investigationFinal reportCessna 425 · Greenwood, MSFailure of the pilot-in-command to maintain his descent rate resulting in an undershoot. Contributing to the accident was the chip detector failure due to improper quality control by the manufacturer.