Final NTSB investigations: Pratt & Whitney PT6A series, 1998
13 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
| 1964 | 1 |
|---|---|
| 1969 | 1 |
| 1977 | 1 |
| 1978 | 1 |
| 1980 | 3 |
| 1981 | 1 |
| 1982 | 2 |
| 1983 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 5 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 3 |
| 1991 | 5 |
| 1992 | 6 |
| 1993 | 2 |
| 1994 | 7 |
| 1995 | 10 |
| 1996 | 9 |
| 1997 | 22 |
| 1998 | 13 |
| 1999 | 13 |
| 2000 | 19 |
| 2001 | 24 |
| 2002 | 27 |
| 2003 | 32 |
| 2004 | 24 |
| 2005 | 24 |
| 2006 | 21 |
| 2007 | 28 |
| 2008 | 20 |
| 2009 | 19 |
| 2010 | 17 |
| 2011 | 23 |
| 2012 | 21 |
| 2013 | 20 |
| 2014 | 19 |
| 2015 | 14 |
| 2016 | 24 |
| 2017 | 19 |
| 2018 | 15 |
| 2019 | 16 |
| 2020 | 18 |
| 2021 | 9 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 16 |
| 2025 | 5 |
| 2026 | 3 |
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 year(c.\"eventDate\") = 1998
AND c.\"completionStatus\" = 'Completed'
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 year(c."eventDate") = 1998
AND c."completionStatus" = 'Completed'
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 ATL99LA026Accident · Minor injuriesLimited investigationFinal reportBeech 65-A90 · La Tortue, HaitiInadequate preflight planning/preparation by the pilot, which resulted in fuel exhaustion due to an inadequate supply of fuel. A factor was the terrain ( water).NTSB FTW99LA031Accident · No injuriesLimited investigationFinal reportAir Tractor AT-400A · Bunkie, LAThe total loss of engine power for an undetermined reason. A factor was the lack of suitable terrain for the forced landing.NTSB DEN99TA013Accident · No injuriesFinal reportAir Tractor AT-400 · Aztec, NMThe pilot's inadequate preflight inspection of the airplane. Factors were the unsecured oil dipstick, the loss of engine oil pressure necessitating a precautionary landing on unsuitable terrain, and the collision with the tree.NTSB ATL99LA009Accident · Serious injuriesLimited investigationFinal reportAir Tractor AT502B · Bainbridge, GAThe pilot's inadequate visual lookout which resulted in a collision with an irrigation unit located in the field.NTSB FTW99LA005Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502B · Ringling, OKThe pilot's failure to maintain obstacle clearance. A factor was the sun glare which impaired the pilot's vision.NTSB FTW98LA383Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-502B · Portales, NMThe pilot's failure to maintain adequate altitude/clearance during an aerial application. Also causal was the inadvertent ground loop/swerve during the landing.NTSB MIA98LA202Accident · No injuriesLimited investigationFinal reportAir Tractor 502 · Clewiston, FLThe pilot's failure to attain adequate airspeed. A tailwind was a contributing factor.NTSB CHI98LA243Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-502 · Minto, NDthe pilot's selection of unsuitable terrain for takeoff. Factors were wet and soft runway conditions, and a ditch and the end of the overrun area.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 FTW98LA205Accident · No injuriesLimited investigationFinal reportAir Tractor AT-402 · Forrest City, ARThe pilot's failure to maintain clearance with terrain. Factors were the sunglare and the pilot's restriction to visibility due to chemicals on the windshield.NTSB FTW98LA140Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT-502B · Lake Village, ARThe pilot's use of unsuitable terrain for takeoff. A factor was the rough/uneven terrain.NTSB CHI98LA084Accident · No injuriesLimited investigationFinal reportCessna 208B · Grand Island, NEice build-up on the airplane's wings and empennage which led to an inadvertent stall and hard landing. Factors contributing to this accident were the pilot's inadvertent flight into icing conditions, and the icing conditions.NTSB FTW98FA100Accident · 1 fatalField investigationFinal reportAir Tractor 502B · Eudora, ARThe pilot's failure to maintain adequate airspeed while attempting an aerobatic manuever