NTSB investigations: Pratt & Whitney R1340 series, AR
23 cases on aircraft whose registry engine model is Pratt & Whitney R1340 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 | 2 |
|---|---|
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 2 |
| 1986 | 1 |
| 1988 | 3 |
| 1990 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 2 |
| 1995 | 2 |
| 1999 | 1 |
| 2004 | 1 |
| 2005 | 3 |
| 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.\"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\" = 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."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" = 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 CHI07CA206Accident · No injuriesData collectionFinal reportGrumman G-164B · Alicia, ARA loss of engine power for undetermined reasons. Factors associated with the accident were the low altitude at which the loss of power occurred and the flooded rice field in which the airplane was landed.NTSB DFW05CA177Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164C · Gillett, ARThe loss of engine power resulting from a disconnected discharge pressure line at the fuel control unit. A contributing factor was the lack of suitable terrain for the forced landing.NTSB DFW05CA166Accident · No injuriesData collectionFinal reportRockwell International S-2R · Watson, ARThe loss of engine power for undetermined reasons and the pilot's failure to maintain adequate airspeed which resulted in a stall.NTSB DFW05CA094Accident · No injuriesData collectionFinal reportGrumman G-164A · Tuckerman, ARThe loss of engine power as result of the failure of the number nine cylinder.NTSB FTW04LA150Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Cotton Plant, ARThe loss of engine power due to fuel exhaustion. A contributing factor was the lack of suitable terrain for the forced landing.NTSB FTW99LA225Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Dermott, ARThe loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.NTSB FTW95LA283Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Widener, ARLoss of engine power for an undetermined reason. The proximity of power lines (obstruction) was a related factor.NTSB FTW95LA145Accident · No injuriesLimited investigationFinal reportAero Commander S2R · Gillett, ARThe engine main rod bearing seized to the crankshaft due to worn master rod metal pieces blocking the oil passages. A factor was an engine overhaul was not performed by company maintenance personnel.NTSB FTW94LA306Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Mcgehee, ARThe loss of engine power due to undetermined reasons. A factor was the unsuitable terrain.NTSB FTW94LA131Accident · Minor injuriesLimited investigationFinal reportGulfstream G-164B · Delaplaine, ARThe loss of engine power for undetermined reasons. A factor was the low altitude at which the power loss occurred.NTSB FTW93LA230Accident · No injuriesLimited investigationFinal reportAero Commander S2R · England, ARA partial loss of engine power for undetermined reasons.NTSB FTW92DPG09Accident · Serious injuriesFinal reportAir Tractor AT-301A · Fisher, ARA loss of engine power for undetermined reasons and the failure of the pilot to maintain airspeed above a stall.NTSB MKC90LA079Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Des Arc, ARFailure of the engine fuel pump.NTSB MKC88LA162Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Elaine, ARDuring an aerial application operation, the pilot said that immediately after breaking ground on takeoff, the engine quit. He attempted to re-land on the remaining available runway, but ran off the end, hitting a ditch and nosing over. Cause of the engine…NTSB MKC88LA141Accident · No injuriesLimited investigationFinal reportRockwell S2R · O'Kean, ARWhile performing an aerial application operation, the plt said he experienced a total powerplant failure. He attempted an emergency ldg in a cultivated rice field. During the ldg attempt, the aircraft sustained substantial damage to the propeller, landing…NTSB MKC88LA131Accident · No injuriesLimited investigationFinal reportRockwell S2R · Swifton, ARThe PIC was conducting ag-spray maneuvers dispensing liquid fertilizer to rice. During a procedure turn to return to the field the eng quit. The PIC chose an open field abt 60 degrees to his rt to land the aircraft. The field was wet, soft and rough. The acft…NTSB MKC86LA138Accident · No injuriesLimited investigationFinal reportAir Tractor AT301 · Lake City, ARThe acft dptd the rwy normally to fertilize a nearby fld. The PIC stated that the acft lost pwr shortly into the climb and he had to make a forced lndg off airport. The PIC was unable to dump the load of fertilizer aboard before impact in a rice field. The…NTSB MKC85LA123Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Paragould, ARPilot was seeding rice when the engine failed. Pilot attempted forced landing on gravel road and impacted a utility pole before touchdown. Acft destroyed by impact and post impact fire. The reason for the engine failure could not be determined.NTSB MKC85LA125Accident · No injuriesLimited investigationFinal reportSnow AT301 · Marianna, ARAfter departing the ag strip the plt rptd a vibrating engine which shook violently until finally quitting. The plt responded with an emergency landing attempt to a plowed bean field. The acft impacted the soft terrain at a high rate of speed where the acft…NTSB MKC84LA152Accident · No injuriesLimited investigationFinal reportAyres S2R · Wilmot, ARPlt stated a loss of pwr occurred shortly after takeoff at an alt of 100 ft AGL. The acft nosed over during the forced landing. Inspection of the engine revealed no pre-impact failue/malfunction.NTSB FTW83LA275Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Newport, ARAccording to the plt, after he took off, he was unable to maintain alt & began dumping his load of 1500 lbs of chemicals. He turned back toward the airstrip, but was forced to land short of a bean field. After touchdown, the acft rolled into a small drainage…NTSB FTW82DA279Accident · No injuriesFinal reportGrumman G-164B · Beedeville, ARThe pilot proceeded to the job site with a load of urea. He circled for about 15 minutes waiting for the flagmen to arrive, then elected to return to the airport. As he leveled the plane, he experienced a gradual loss of power and was unable to maintain…NTSB FTW82DA237Accident · Minor injuriesFinal reportGrumman G164B · Beedeville, ARThe agricultural aircraft lost power during takeoff. The pilot jettisoned the load and made a forced landing in a rice field. During the landing, the aircraft nosed over in soft muddy terrain.