NTSB investigations: Pratt & Whitney R-985 series
14 cases on aircraft whose registry engine model is Pratt & Whitney R-985 series, where the defining event was Loss of engine power (total). 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 | 1 |
|---|---|
| 2009 | 2 |
| 2010 | 1 |
| 2011 | 2 |
| 2014 | 1 |
| 2015 | 2 |
| 2016 | 1 |
| 2018 | 1 |
| 2021 | 1 |
| 2024 | 1 |
| 2026 | 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.engine_model_code IN ('52008')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '341'))
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.engine_model_code IN ('52008')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '341'))
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 ERA26LA224Accident · Serious injuriesClass 3 · LimitedPreliminary reportBoeing E75 · Dresden, OHOn May 29, 2026, about 1153 eastern daylight time, a Boeing E75, N181RF, was substantially damaged when it was involved in an accident near Dresden, Ohio. The pilot and passenger were seriously injured. The airplane was operated as a Title 14 Code of Federal…NTSB ERA25LA004Accident · Serious injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Parsonsburg, MDA total loss of engine power for reasons that were not determined.NTSB CEN21LA329Accident · No injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Amana, IAThe loss of engine power for reasons that could not be determined.NTSB CEN18LA357Accident · No injuriesLimited investigationFinal reportGrumman G164 · Opelousas, LAThe loss of two securing bolts that allowed the left magneto to move around, which disrupted the spark timing and resulted in the engine losing total power.NTSB CEN17LA038Accident · No injuriesLimited investigationFinal reportWeatherly 620B · Coleman, TXThe pilot’s inadequate fuel management, which resulted in a total loss of engine power due to fuel starvation.NTSB CEN15LA272Accident · Serious injuriesLimited investigationFinal reportWeatherly 620A · Van Horn, TXThe loss of engine power for reasons that could not be determined based on the available information.NTSB CEN15LA271Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164B · Foster, NEThe total loss of engine power during a low-level aerial application flight due to fuel exhaustion following the pilot’s inadequate preflight inspection that led to his assumption that sufficient fuel was on board for the flight based on his reliance on a…NTSB CEN14LA319Accident · Minor injuriesLimited investigationFinal reportGrumman G 164 · Anadarko, OKThe total loss of engine power while climbing after takeoff for reasons that could not be determined based on the available information.NTSB ERA11LA290Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Albion, NYA bearing failure in the engine’s supercharger section, which resulted in a total loss of engine power during flight. Contributing to the accident was the soft soil of the forced landing site.NTSB CEN11FA228Accident · Serious injuriesField investigationFinal reportWaco UPF-7 · Brownsville, TXThe loss of engine power for undetermined reasons.NTSB CEN11CA071Accident · No injuriesData collectionFinal reportGrumman G-164 · Michigan, NDThe pilot's failure to abort the takeoff roll following a noticeable loss of engine power due to low engine compression and a magneto failure.NTSB CEN09LA444Accident · 1 fatalLimited investigationFinal reportBeech TC-45J · Verdel, NEThe pilot's improper decision to fly an airplane that was not airworthy and for which he was not properly rated to operate, and his failure to maintain control of the airplane during a forced landing to a field following an engine failure. Contributing to the…NTSB WPR09LA227Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Colfax, WAA total loss of engine power due to excessive wear in several carburetor components that led to a malfunction of the carburetor.NTSB LAX08LA177Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Wilder, IDThe loss of engine power as a result of failure of the supercharger. Contributing to the accident was the lack of suitable terrain for the forced landing.