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NTSB investigations: Pratt & Whitney R-985 series, NE

20 cases on aircraft whose registry engine model is Pratt & Whitney R-985 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19642026

Where

Latest cases

Query with SQL

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" = 'NE' 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 ('52008')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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\" = 'NE' 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 ('52008'))
  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" = 'NE' 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 ('52008'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 CEN23LA232Accident · No injuriesClass 3 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Bloomfield, NEA partial loss of engine power during takeoff for reasons that could not be determined.Jun 7, 2023 · N48485 · Substantial damage 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…Jun 12, 2015 · N48687 · Substantial damage 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…Jul 19, 2009 · N6688 · Destroyed NTSB DEN08LA150Accident · No injuriesLimited investigationFinal reportWeatherly 620B · Atkinson, NEThe total loss of engine power due to water contamination and corrosion within the fuel system at an undetermined time and from an undetermined source.Sep 4, 2008 · N2036U · Substantial damage NTSB CHI04LA184Accident · Serious injuriesLimited investigationFinal reportGrumman G-164B · York, NEA loss of engine power for undetermined reasons. Contributing to the accident were the low altitude at the time of power loss and the unsuitable landing area encountered during the forced landing.Jul 16, 2004 · N48675 · Destroyed NTSB CHI02LA132Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Hordville, NEA loss of engine power due to a fractured rocker arm shaf. Contributing to the accident was the soft, furrowed field.May 10, 2002 · N48485 · Substantial damage NTSB CHI97LA006Accident · Minor injuriesLimited investigationFinal reportCallair B1A · Nebraska City, NEa supercharger bearing failure. A factor was the excessive sink rate during the forced landing.Oct 9, 1996 · N6203X · Substantial damage NTSB CHI96LA281Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164 · Grant, NEfatigue failure and subsequent catastrophic failure of the number nine cylinder. A factor was the corn.Aug 7, 1996 · N8842H · Substantial damage NTSB CHI94LA235Accident · No injuriesLimited investigationFinal reportBeech 17 · Elgin, NEthe pilot's failure to maintain clearance with the road sign. Factors in the accident were the sign and the failure of the landing gear to extend into the full down and locked position.Jul 17, 1994 · N1184V · Substantial damage NTSB CHI94LA162Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Alexandria, NEThe pilot's failure to maintain clearance with wires.May 4, 1994 · N7368 · Substantial damage NTSB CHI92DCJ05Accident · No injuriesFinal reportGrumman-Schweizer G-164B · Atkinson, NEA cracked engine cylinder.Aug 11, 1992 · N48672 · Substantial damage NTSB CHI91DCJ03Accident · No injuriesFinal reportGrumman G-164-A · Edgar, NEThe pilot's inadequate aircraft preflight inspection.Jun 20, 1991 · N8842H · Substantial damage NTSB MKC89LA148Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Stockville, NETotal failure of the powerplant caused by a broken cylinder.Jul 2, 1989 · N6629Q · Substantial damage NTSB MKC88LA160Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Hebron, NEWhile making a aerial application swath run, the pilot was checking his spray booms because of some malfunctioning nozzles. Exiting the field between two groups of trees on the border he failed to see power line poles. He struck the wires, then the terrain,…Aug 19, 1988 · N5329 · Destroyed NTSB MKC84LA143Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Silver Creek, NEThe plt stated he was making an end pass while spraying a pasture & collided with a hilltop on the opposite side of a draw. This occurred while the sun was obstructing his vision.May 23, 1984 · N6677Q · Substantial damage NTSB MKC82DA116Accident · No injuriesFinal reportGrumman G164A · Ericson, NEThe aircraft was flown from the loading area to the field intended for treatment. Upon arrival, the pilot reduced power and entered an observation fly-by. When the aircraft started to settle the pilot's application of power failed to arrest the descent. The…Jul 4, 1982 · N48534 · Substantial damage NTSB MKC82DA093Accident · Minor injuriesFinal reportGrumman G-164A · Red Cloud, NEThe aircraft struck the top wire of an electrical transmission line and crashed. The pilot reported that he misjudged the "wire distance" as he let down over a pond to begin a swath run. The pond was at the edge of the field that he was seeding. The pilot…Jun 1, 1982 · N5253 · Destroyed NTSB MKC82DA085Accident · No injuriesFinal reportGrumman G-164A · Tekamah, NEOn the third spray run the pilot stated that the aircraft engine had a loss of power. He attempted to fly back to the airport but was forced to make an emergency landing in an open field. During the landing roll the aircraft nosed over in the soft mud. Engine…May 20, 1982 · N7689 · Substantial damage NTSB MKC71DCJ70Accident · No injuriesClosedGrumman G-164 · Stockville, NEJun 10, 1971 · N10202 · Substantial damage NTSB UNK64X4100Accident · No injuriesClosedBeech D17S · Burwell, NESep 22, 1964 · N322H · Substantial damage