NTSB investigations: Pratt & Whitney R-985 series
59 cases on aircraft whose registry engine model is Pratt & Whitney R-985 series, where the first occurrence was “Loss of engine power”. 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
| 1982 | 8 |
|---|---|
| 1983 | 2 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 1 |
| 1987 | 2 |
| 1989 | 1 |
| 1990 | 1 |
| 1991 | 2 |
| 1993 | 1 |
| 1994 | 3 |
| 1995 | 4 |
| 1996 | 2 |
| 1997 | 3 |
| 1998 | 5 |
| 1999 | 3 |
| 2000 | 3 |
| 2001 | 1 |
| 2002 | 3 |
| 2003 | 1 |
| 2004 | 1 |
| 2005 | 5 |
| 2006 | 4 |
| 2007 | 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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o.\"occurrenceNumber\" = 1 AND o.\"occurrenceCode\" = 350))
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_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 350))
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 NYC07LA207Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Goshen, NYA loss of engine power during cruise flight for undetermined reasons.NTSB ANC06LA112Accident · No injuriesLimited investigationFinal reportBeech BE-18 · Culebra, PRA loss of engine power due to fuel starvation/exhaustion in all engines for an undetermined reason during cruise flight, which resulted in a forced landing and ditching.NTSB CHI06LA147Accident · Minor injuriesLimited investigationFinal reportAllied Ag Cat Productions G-164A · Gonvick, MNThe aborted takeoff not performed by the pilot. A contributing factor is the reported loss of takeoff performance.NTSB NYC06LA142Accident · Minor injuriesLimited investigationFinal reportWeatherly 201B · Southampton, NJThe failure of the engine's supercharger, which resulted in a loss of engine power, and subsequent forced landing.NTSB LAX06LA169Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Tracy, CAloss of power for undetermined reasons.NTSB CHI05LA214Accident · Minor injuriesLimited investigationFinal reportGrumman G-164 · Marshalltown, IAThe loss of engine power for an undetermined reason. A factor was the corn crop.NTSB CHI05LA213Accident · Serious injuriesLimited investigationFinal reportWeatherly 620-B · Osage, IAThe partial loss of engine power for an undetermined reason. Contributing factors were the wires and the trees.NTSB CHI05LA176Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Buxton, NDA loss of engine power on takeoff due to undetermined reasons. A factor was the ditch that the airplane contacted during the forced landing.NTSB DFW05CA132Accident · Minor injuriesData collectionFinal reportWeatherly 201B · Tornillo, TXThe loss of engine power as result of the failure of a cylinder.NTSB CHI05LA104Accident · Minor injuriesLimited investigationFinal reportWeatherly 620B · Downs, KSThe loss of engine power due to the failure of the number two cylinder which was the result of the maintenance facility's failure to detect the fatigue crack in the number two cylinder during the engine overhaul. A factor to the accident was the soft field.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.NTSB ATL03LA118Accident · Minor injuriesLimited investigationFinal reportBoeing PT-17 · Hendersonville, NCThe pilot's inadequate preflight planning/preparation of fuel required for the flight, resulting in a total loss of engine power due to fuel exhaustion. A factor in the accident was pilot impairment due to alcohol consumption.NTSB MIA02LA150Accident · Minor injuriesLimited investigationFinal reportBoeing E75 · Leesburg, FLLoss of engine power for undetermined reasons during takeoff, resulting in the airplane colliding with the ground and nosing over during the subsequent forced landing.NTSB FTW02LA194Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Basile, LAthe loss of engine power as a result of fuel starvation. A contributing factor was the lack of suitable terrain for the forced landing.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.NTSB FTW01LA177Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Bunkie, LAThe loss of engine power for undetermined reasons while maneuvering. A contributing factor was the lack of suitable terrain for the forced landing.NTSB SEA01LA031Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 Mk. I · Kirkland, WAA malfunction of the aircraft's fuel selector valve and subsequent fuel starvation. Factors included a short emergency landing area, a wet landing surface, and a fence.NTSB CHI00LA285Accident · No injuriesLimited investigationFinal reportBoeing Stearman B75N1 · Cape Girardeau, MOthe pilot's improper decision to continue the flight when the fuel sight gauge indicated empty and the exhausted fuel supply. A factor was the corn crop.NTSB LAX00LA246Accident · No injuriesLimited investigationFinal reportGrumman G-164B · King City, CAThe loss of engine power for undetermined reasons.NTSB ATL99LA133Accident · Minor injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Enterprise, ALThe loss of engine power for undetermined reasons. Contributing to the severity of the accident was the in-flight collision with a tree during the forced landing.NTSB CHI99LA254Accident · No injuriesLimited investigationFinal reportBeech G18S · Minneapolis, MNthe premature gear retraction and proper runway alignment not maintained during takeoff by the pilot. An additional cause was the proper descent rate not maintained by the pilot. Contributing factors were the carburetor icing conditionsNTSB MIA99FA114Accident · 1 fatalField investigationFinal reportGrumman G-21A · Lauderdale Lake, FLThe pilots failure to correctly identify an in-flight emergency (fluctuating manifold pressure and rpm due to a disconnected spark plug lead / unscrewed ignition lead shroud) and failure to complete the engine shutdown procedure once it was initiated…NTSB MIA99LA041Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Fort Gains, GAa power loss due to internal damage to the second- and third- stage turbine rotor blades, due to thermal heat, rendering the engine incapable of producing full power, resulting in a forced landing, and subsequent impact with the terrain.NTSB FTW98LA410Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Mart, TXThe loss of engine power for an undetermined reason. A factor was the lack of suitable terrain for the forced landing.NTSB FTW98LA249Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Iowa, LApartial loss of engine power during takeoff for undetermined reason(s). The obstructions (trees & dirt bank) were related factors.NTSB FTW98LA193Accident · Serious injuriesLimited investigationFinal reportLerille P & W 1937 · Lafayette, LAThe fuel exhaustion due to the pilot's failure to refuel. A factor was the lack of suitable terrain for the forced landing.NTSB SEA98LA038Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164B · Stanwood, WAThe pilot's failure to apply carburetor heat. Factors included carburetor icing conditions and soft terrain in the forced landing area.NTSB NYC98LA044Accident · Minor injuriesLimited investigationFinal reportConsolidated-Vultee BT-13A · Oxford, CTThe loss of power for undetermined reasons.NTSB FTW98LA007Accident · Serious injuriesLimited investigationFinal reportBeech G18S · Crosbyton, TXInadequate maintenance which resulted in diminished carburetor heat effectiveness due to missing alternate air doors. Contributing were conducive carburetor icing weather conditions, low ceilings during the emergency descent, and the lack of suitable terrain…NTSB ANC97LA090Accident · No injuriesLimited investigationFinal reportBeech D18S · Willow, AKThe loss of engine power for an undetermined reason.NTSB LAX96LA153Accident · No injuriesLimited investigationFinal reportNaval Aircraft Factory N3N-3 · Chandler, AZThe failure of both the engine driven and hand wobble fuel pumps, which resulted in fuel starvation to the engine.NTSB LAX96LA101Accident · No injuriesLimited investigationFinal reportBoeing A75 · Barstow, CAa loss of engine power for an undetermined reason(s).NTSB CHI95LA250Accident · No injuriesLimited investigationFinal reportGrumman G-164 · Park River, NDthe loss of power due to the primary lead in the left magneto being grounded against the case, and the improper clearance of the breaker point gaps. A factor was the lack of suitable terrain on which to perform the forced landing.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 SEA95LA119Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Helena, MTThe loss of engine power for undetermined reasons.NTSB SEA95LA094Accident · Minor injuriesLimited investigationFinal reportGrumman G-164B · Stayton, ORA power loss for undetermined reason(s). A factor was the soft terrain.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 LAX94LA204Accident · No injuriesLimited investigationFinal reportBeech UC-45J · Acampo, CAThe pilot's failure to use carburetor heat during the extended power-off descent. The existing carburetor icing conditions, the pilot's diverted attention, and the power lines were factors in this accident.NTSB ATL94LA084Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Ozark, ALA loss of engine power for undetermined reasons. A factor was the soft terrain.NTSB FTW93LA153Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Arnaudville, LAThe loss of engine power for undetermined reasons. A factor was the unsuitable terrainNTSB FTW92LA003Accident · No injuriesLimited investigationFinal reportBeech C-45H · Edinburg, TXPower loss due to a loss of oil pressure for undetermined reasons. A factor was the lack of suitable terrain for forced landing.NTSB LAX91LA228Accident · No injuriesLimited investigationFinal reportBeech C-45H · Lake Elsinore, CAFuel starvation due to an improper modification of the fuel system and the pilot's failure to ensure that the aircraft was airworthy prior to flight.NTSB FTW90DPA01Accident · No injuriesFinal reportGrumman G-164B · Bonham, TXA power loss for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.NTSB LAX89LA218Accident · No injuriesLimited investigationFinal reportde Havilland DHC-2 · Trinity Center, CAAn interruption of fuel to the engine for undetermined reasons.NTSB FTW87DRD14Accident · No injuriesFinal reportGrumman G-164B · Oak Grove, LAAfter completing the last pass of an agricultural operation the pilot pulled up and started a turn. At this time the engine started shaking and losing power. The pilot attempted a forced landing in a soft field. The wheels bogged four or five inches into the…NTSB ATL87LA184Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Cottonwood, ALThe plt stated that everything was normal for the acft during the preflt and runup. He had just about completed his first swath run when he reptd that the engine shook a little and started backfiring. He pulled up and started across a swamp toward a paved…NTSB MKC86LA114Accident · No injuriesLimited investigationFinal reportGrumman-Schweizer G-164A · Winona, KSThe pilot stated that he borrowed the airplane from his father to practice takeoffs and landings at his father's private, crop dusting airstrip. There were no chemicals onboard, according to the pilot. He further stated that on a go-around maneuver, and as he…NTSB ATL85LA233Accident · No injuriesLimited investigationFinal reportSchweizer G-164B · Leesburg, GAThe aircraft suffered a loss of power due to water in fuel and made an emergency landing in a field. During landing roll the aircraft collided with trees at the end of the field.NTSB DEN85LA018Accident · No injuriesLimited investigationFinal reportBeech C-45H · Heber City, UTWhile in cruise flt, plt noted gradual left eng oil press drop from normal 70 PSI to 20 PSI. Plt shut down left eng, feathered prop and diverted to alternate airport. En route to alternate plt attempted to restart left eng to avoid single-engine landing. Plt…NTSB MKC83LA138Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Poplar Bluff, MOAfter making 2 swath runs, the acft was in a procedure turn-around over a wooded area when the eng lost power. The plt tried to glide to a suitable area, but the acft hit the tops of trees & crashed. The owner stated the eng had a history of maintenance…