NTSB investigations: Pratt & Whitney R1340 series, AR
18 cases on aircraft whose registry engine model is Pratt & Whitney R1340 series, where the first occurrence was “Loss of engine power(total) - mech failure/malf”. 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
| 1984 | 3 |
|---|---|
| 1985 | 1 |
| 1986 | 1 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 2 |
| 1992 | 2 |
| 1993 | 1 |
| 1994 | 2 |
| 1995 | 2 |
| 1996 | 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 ('52016')
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\" = 351))
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 ('52016')
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" = 351))
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 FTW96LA135Accident · Minor injuriesLimited investigationFinal reportRockwell S-2R · Winchester, ARFailure of the engine master rod. A factor relating to the accident was: the lack of suitable terrain for a forced landing, due to the proximity of a power line and trees.NTSB FTW96LA007Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Hamburg, ARLoss of engine power due to a cylinder failure. A factor relating to the accident was: the lack of suitable terrain for the forced landing.NTSB FTW95LA213Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Caldwell, ARThe loss of power due to a crack in the #4 cylinder. Factors were the lack of suitable terrain for the forced landing and proper touchdown point not possible.NTSB FTW94LA256Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Mcgehee, ARTotal loss of engine power as the engine seized due to a blower bearing failure. A factor was the lack of suitable terrain for the forced landing.NTSB FTW94LA164Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Monticello, ARThe loss of engine power due to the number 2 cylinder cracking. A factor was the lack of suitable terrain for the forced landing.NTSB DEN93LA081Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Dermott, ARPower loss due to the total failure of the engine's master rod. Factors were an improper engine overhaul and the lack of suitable terrain for a forced landing.NTSB FTW92DPG10Accident · No injuriesFinal reportRockwell S2R-R3S · Minturn, ARThe loss of engine power and the encounter with unsuitable terrain during the forced landing.NTSB FTW92DPG06Accident · No injuriesFinal reportGrumman G-164A · Swifton, ARLoss of engine power. A factor was the lack of suitable terrain for forced landing.NTSB FTW90DPG08Accident · Serious injuriesFinal reportAir Tractor AT-301 · Corning, ARBlockage of the carburetor Air intake by a collapsed Air induction hose due to improper maintenance by an unknown party.NTSB MKC90LA129Accident · No injuriesLimited investigationFinal reportRockwell S2R · Tilton, ARFailure of the engine blower(supercharger). Related to the accident was the soft/wet terrain, where the forced landing was performed.NTSB MKC89LA170Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Portland, AREngine failure due to failure of an engine cylinder.NTSB MKC89LA079Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Stuttgart, ARFailure of the engine blower assembly drive shaft, while maneuvering at low altitude, and failure of the pilot to maintain adequate airspeed, which resulted in a stall before he could land.NTSB MKC88LA137Accident · No injuriesLimited investigationFinal reportGrumman G164B · Knobel, ARThe plt said he had just completed an aerial application operation and was returning to his base airfield to re-load. While in a low level cruise, the engine quit abruptly, and an emergency ldg was attempted in a soft, muddy soy bean field. During the ldg…NTSB MKC86LA121Accident · No injuriesLimited investigationFinal reportAero Commander S-2R · Pocahontas, ARThe pilot stated that this was his third flight of the morning with a full load of fertilizer. Reportedly, he was in the process of aerial application, when the engine quit. He made a forced landing on a short field road. He further stated that the ground…NTSB MKC85LA151Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Paragould, ARThe acft was being used in aerial application of ordram when engine failed. A hard landing resulted during the forced landing in an open fld. Investigation revealed the float needle seat ass'y backed out of the threads in the main body of the carburetor FAR…NTSB MKC85LA006Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Cotton Plant, ARDuring aerial application flight, the engine master connecting rod failed. Forced landing was performed in a Cotton field. Acft nosed over during landing roll due to terrain conditions. Engine had 176 hours since major ovhl.NTSB MKC84LA269Accident · Minor injuriesLimited investigationFinal reportRockwell S-2R · Weiner, ARThe plt was executing a turn around maneuver to continue spraying when the #2 cyl broke free from the eng & it completely shut down. The acft struck the levee of a bean field & flipped over, coming to rest in an inverted position. Post crash examination…NTSB MKC84LA210Accident · No injuriesLimited investigationFinal reportGrumman G164B · Mc Gehee, ARThe acft was engaged in an aerial application flt when the eng lost power. The plt made a forced landing in a bean field. During the landing roll, the acft struck a levee that was obscured by high vegetation & nosed over. A post-accident investigation…