NTSB investigations: Pratt & Whitney R-985 series, AR
84 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.
Cases per year
| 1964 | 3 |
|---|---|
| 1965 | 4 |
| 1967 | 5 |
| 1969 | 1 |
| 1970 | 3 |
| 1971 | 5 |
| 1972 | 6 |
| 1973 | 5 |
| 1975 | 3 |
| 1976 | 5 |
| 1977 | 3 |
| 1978 | 7 |
| 1979 | 1 |
| 1980 | 5 |
| 1981 | 2 |
| 1982 | 1 |
| 1983 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1990 | 2 |
| 1991 | 2 |
| 1992 | 2 |
| 1993 | 2 |
| 1994 | 1 |
| 1995 | 3 |
| 1996 | 1 |
| 1999 | 2 |
| 2001 | 1 |
| 2006 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2023 | 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\" = 'AR' 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" = 'AR' 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" 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 CEN24LA257Accident · Minor injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Sedgwick, ARThe pilot’s failure to maintain clearance from a power line during the spray pass.NTSB CEN23LA212Accident · Minor injuriesClass 4 · LimitedFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Light, ARThe pilot exceeding the climb capability of the airplane during takeoff which led to it settling into the ground.NTSB CEN10LA046Accident · Serious injuriesLimited investigationFinal reportYounkin J R Mullicoupe · Siloam Springs, ARA loss of engine power due to fuel starvation for undetermined reasons.NTSB DEN08LA106Accident · Serious injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · O'Kean, ARAn inadvertent accelerated stall. Contributing factors in this accident were the low airspeed, steep angle of bank, and heavy weight.NTSB DFW06CA113Accident · Minor injuriesData collectionFinal reportGrumman-Schweizer G-164B · De Witt, ARThe pilot's failure to maintain control of the airplane during takeoff. A contributing factor was the gusty winds.NTSB FTW01LA136Accident · 1 fatalLimited investigationFinal reportGrumman-Schweizer G-164B · Powhatan, ARthe pilot's failure to maintain obstacle clearance while maneuvering after takeoff.NTSB FTW99FA150Accident · 1 fatalField investigationFinal reportGrumman-Schweizer G164-B · Brinkley, ARThe pilot's inadvertent VFR flight into instrument meteorological conditions. Contributing factors were the pilots failure to maintain control of the aircraft, spatial disorientation, and the fog.NTSB FTW99FA148Accident · 1 fatalField investigationFinal reportBeech C18S · Waldron, ARthe separation of a propeller blade in cruise flight as a result of fatigue cracking emanating from surface corrosion pitting.NTSB FTW96LA232Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · Newport, ARfailure of the pilot to maintain clearance from the power line.NTSB FTW95LA253Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Bigelow, ARThe pilot's failure to maintain clearance with terrain.NTSB FTW95LA254Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Cash, ARThe loss of engine power for undetermined reasons. Factors were the low altitude at which the power loss occurred and the lack of suitable terrain for a forced landing.NTSB FTW95LA154Accident · No injuriesLimited investigationFinal reportBeech G18S · Springdale, AREngine compartment fire due to undetermined reasons.NTSB FTW94LA209Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Parkin, ARTotal power loss for undetermined reasons. A factor was unsuitable terrain for a forced landing.NTSB FTW93LA172Accident · Serious injuriesLimited investigationFinal reportGrumman G-164B · Walnut Ridge, ARThe pilot's failure to maintain adequate clearance.NTSB FTW93LA169Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Weiner, ARPartial power loss due to improper installation of the linkage control bracket. A factor was the lack of suitable terrain for the forced landing.NTSB FTW92DPG14Accident · No injuriesFinal reportAir Tractor AT-300 · Wilmont, ARPower loss due to a failed cracked cylinder. A factor was the lack of suitable terrain for the forced landing.NTSB FTW92DPG02Accident · Minor injuriesFinal reportGrumman G-164-B · Mcdougal, ARThe pilots failure to properly plan his take off. A factor was his lack of familiarity with the chemical dispensing equipment.NTSB FTW91DPG10Accident · No injuriesFinal reportWeatherly 201B · Mc Crory, ARLoss of the outboard portion of the propeller blade. A factor was the lack of suitable terrain for the forced landing.NTSB FTW91DPG03Accident · No injuriesFinal reportGrumman G-164A · Earle, ARA power loss for undetrmined reasons. A factor was the muddy/soft terrain in which the forced landing was performed.NTSB MKC90LA134Accident · No injuriesLimited investigationFinal reportWeatherly 201-B · Stuttgart, ARFuel exhaustion induced power loss caused by the pilot's failure to refuel the airplane.NTSB MKC90LA067Accident · No injuriesLimited investigationFinal reportGrumman AG-CAT G-164A · Parkin, ARTotal failure of the engine's master connecting rod.NTSB MKC88LA132Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Knobel, ARProper touchdown point not attained, and aircraft control not maintained by the pilot in command.NTSB MKC87LA133Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Mcdougal, ARThe ag airplane was on takeoff roll when the pilot smelled smoke in the cockpit. He stopped the airplane and turned off the fuel and switches before evacuating the airplane. He said the flames were coming from the cowling around the engine. Due to the total…NTSB MKC87LA028Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B-600 · Earle, ARThe pilot stated that the powerplant was performing normally during initial climb when, suddenly, the engine experienced a power loss after backfiring. Immediate remedial action resulted in a partial power output but not enough to sustain flight. Emergency…NTSB FTW83LA243Accident · No injuriesLimited investigationFinal reportWeatherly 620 · Cornerstone, ARThe acft collided with a dirt bank during a forced landing after the engine quit. The plt said he was making a swath runwhen the engine quit. The flagman said he saw black smoke then white smoke as the engine quit. Post crash investigation revealed that the…NTSB FTW82DA334Accident · No injuriesFinal reportGrumman G164A · Marianna, ARThe pilot stated that shortly after lift off the engine backfired and lost power. He reported that the engine did not completely quit and there was no visible smoke, flame or oil coming from the engine. Due to his low altitude and heavy load the pilot elected…NTSB FTW81DPG38Accident · No injuriesClosedGrumman G-164 · Manila, ARNTSB FTW81DPG33Accident · Serious injuriesClosedAir Tractor AT-300 · Foreman, ARNTSB FTW80DPG44Accident · No injuriesClosedGrumman G-164 · Heth, ARNTSB FTW80DPG51Accident · Minor injuriesClosedGrumman G-164B · Blythevl Afb, ARNTSB FTW80DPG23Accident · No injuriesClosedGrumman G-164A · Gerrard, ARNTSB FTW80DPG18Accident · No injuriesClosedGrumman G-164B · Marion, ARNTSB FTW80DPG11Accident · No injuriesClosedBoeing A75 · Hope, ARNTSB FTW79DPG35Accident · No injuriesClosedGrumman G-164B · Lonoke, ARNTSB FTW78DPG75Accident · No injuriesClosedGrumman G-164A · Crawfordsville, ARNTSB FTW78FPG51Accident · No injuriesClosedGrumman G-164A · Stuttgart, ARNTSB FTW78DPG49Accident · No injuriesClosedBeech D-17S · Fort Smith, ARNTSB FTW78DPG44Accident · No injuriesClosedGrumman G-164 · Brookland, ARNTSB FTW78DPG31Accident · No injuriesClosedWeatherly 201B · Grady, ARNTSB FTW78DPG30Accident · No injuriesClosedGrumman G-164A · Stuttgart, ARNTSB FTW78DPG22Accident · No injuriesClosedGrumman G-164A · Trumann, ARNTSB FTW77FPG87Accident · No injuriesClosedBeech D18S · Pine Bluff, ARNTSB FTW77DPG63Accident · No injuriesClosedGrumman G-164A · Clarendon, ARNTSB FTW77DPG19Accident · No injuriesClosedGrumman G-164B · Widner, ARNTSB FTW76DPH10Accident · No injuriesClosedBoeing B75 · Dumas, ARNTSB FTW76DPH02Accident · No injuriesClosedGrumman G-164 · Stuttgart, ARNTSB FTW76DPG74Accident · No injuriesClosedGrumman G-164B · Marianna, ARNTSB FTW76DPG50Accident · Minor injuriesClosedGrumman G-164A · Carlisle, ARNTSB FTW76FRJ14Accident · No injuriesClosedBeech D18S · Garland City, ARNTSB FTW76DPG03Accident · No injuriesClosedGrumman G-164A · Dumas, AR