NTSB investigations: Pratt & Whitney R-985 series
8 cases on aircraft whose registry engine model is Pratt & Whitney R-985 series, where the defining event was Loss of engine power (partial). 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
| 2009 | 1 |
|---|---|
| 2010 | 2 |
| 2012 | 4 |
| 2017 | 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\" = '342'))
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" = '342'))
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 ANC17LA017Accident · Minor injuriesLimited investigationFinal reportBeech G18 · Metlakatla, AKAn engine power loss for reasons that could not be determined because the airplane was not recovered.NTSB CEN12LA514Accident · Minor injuriesLimited investigationFinal reportWeatherly 620B · Holcomb, KSThe pilot's failure to use carburetor heat while operating in conditions conducive to carburetor icing, which resulted in a partial loss of engine power shortly after takeoff.NTSB CEN12LA458Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Egeland, NDThe partial loss of engine power for reasons that could not be determined during postaccident examinations.NTSB ANC12LA051Accident · No injuriesLimited investigationFinal reportDehavilland DHC-2 · Talkeetna, AKThe loss of engine power after departure due to the separation of an engine cylinder.NTSB WPR12LA201Accident · Minor injuriesLimited investigationFinal reportBeech 3NM · Pope Valley, CAA loss of power in one engine during takeoff, which resulted in a forced landing in a vineyard. The reason for the loss of engine power could not be determined from the available evidence.NTSB CEN10CA426Accident · No injuriesData collectionFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Alexandria, LAThe loss of engine power for undetermined reasons.NTSB WPR10LA212Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Buckeye, AZA partial loss of engine power during the takeoff roll for undetermined reasons.NTSB CEN09CA452Accident · Minor injuriesData collectionFinal reportWeatherly 620B · New England, NDThe loss of engine power for undetermined reasons while maneuvering at low altitude.