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NTSB investigations: Pratt & Whitney R1340 series, 1984, AR

12 cases on aircraft whose registry engine model is Pratt & Whitney R1340 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

19662026

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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 year(c.\"eventDate\") = 1984
    AND 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'))
  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.

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.Oct 11, 1984 · N8644H · Substantial damageNTSB 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…Sep 5, 1984 · N4924X · Substantial damageNTSB MKC84LA250Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Swifton, ARDuring a swath run the #9 cylinder on the radial engine separated. A forced landing was made during which the acft landed in a levee and nosed over.Aug 14, 1984 · N7693 · Substantial damageNTSB MKC84LA222Accident · Minor injuriesLimited investigationFinal reportGrumman G-164A · Stanford, ARWhen the pilot made his first swath run he flew over a set of wires, on the return run he went under the wires. The pilot said he hit his own prop wash and rolled enough for the wing tip to contact the wire.Jul 19, 1984 · N8914H · Substantial damageNTSB MKC84LA211Accident · No injuriesLimited investigationFinal reportGrumman G-164B · Roe, ARAs a result of a supercharger failure, a partial power loss was experienced during a swath run. During the landing roll after a forced landing, the acft nosed over & came to rest inverted. An eng teardown revealed that both supercharger bearings had failed…Jul 17, 1984 · N8365K · Substantial damageNTSB MKC84LA217Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Osceola, ARThe acft crashed into a levee in a rice field after losing engine power during a spray operation turn-around. The enginedid not quit entirely but lost enough power so that flt was not maintained. An inspection of the engine revealed a broked connecting rod.Jul 13, 1984 · N7928 · Substantial damageNTSB MKC84LA213Accident · No injuriesLimited investigationFinal reportGrumman G-164A · Gillette, ARDuring swath run engine ran rough and could not sustain acft in flight. The plt made a forced landing in a soft freshly plowed field. The acft nosed over during the landing. Inspection of the acft revealed that one magneto was missing teethfrom the drive gear…Jul 12, 1984 · N9785 · Substantial damageNTSB 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…Jul 9, 1984 · N8222K · Substantial damageNTSB MKC84LA180Accident · No injuriesLimited investigationFinal reportRockwell S-2R · Pocahontas, ARAbout 18 inches of one propeller blade separated in flight. The acft began to shake violently and the plt shutdown the engine. The aircraft crashed during the forced lndg. Metallurgical examination revealed features typical of fatique cracking over aprox 2/3…Jun 16, 1984 · N4913X · Substantial damageNTSB MKC84LA166Accident · No injuriesLimited investigationFinal reportAero Commander S-2R · Pocahontas, ARThe plt said he was making a cleanup swath & encountered spray from the previous swath run. The spray contains a dye which covered the windshield & obscured the plt's vision. The plt said he pulled up at the end of the field but failed to clear the trees.…Jun 10, 1984 · N8896Q · Substantial damageNTSB 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.May 28, 1984 · N5675X · Substantial damageNTSB MKC84LA148Accident · Serious injuriesLimited investigationFinal reportGrumman G-164B · Humnoke, ARPlt stated he noticed a vibration in the acft on two flts prior to the accident flt. Plt felt forward pressure on the stick so he attempted to trim the acft. The acft nosed forward colliding with the terrain. Inspection disclosed no preimpact…May 27, 1984 · N6729K · Destroyed