NTSB investigations: Pratt & Whitney R-1830 series, AK

9 cases on aircraft whose registry engine model is Pratt & Whitney R-1830 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

19652026
NTSB investigations: Pratt & Whitney R-1830 series, AK per year, 1965–2026: 9 cases
19651
19701
19811
19851
19891
19982
20011
20261

Latest 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\" = 'AK' 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 ('52020'))
  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 ANC26LA040Accident · No injuriesClass 4 · LimitedInvestigation openDouglas DC3C · Anchorage, AKMay 8, 2026 · N115U · Substantial damageNTSB ANC01FA033Accident · 2 fatalField investigationFinal reportDouglas DC-3 · Unalaska, AKThe airplane flightcrew's failure to maintain adequate distance/altitude from mountainous terrain during a departure climb to cruise flight, and the captain's impairment from drugs. Factors in the accident were dark night conditions, and the first officer's…Jan 24, 2001 · N19454 · DestroyedNTSB ANC98LA114Accident · No injuriesLimited investigationFinal reportDouglas DC-3C · Anchorage, AKThe pilot's failure to maintain directional control during landing, and the resulting overload fracture of the tailwheel fork assembly.Jul 31, 1998 · N305SF · Substantial damageNTSB ANC98LA055Accident · Minor injuriesLimited investigationFinal reportDouglas DC-3C · Anchorage, AKThe pilot's inadequate in-flight planning/decision which resulted in fuel exhaustion and subsequent loss of engine power. A related factor was the soft, marshy terrain at the forced landing area.May 24, 1998 · N67588 · Substantial damageNTSB SEA89FA122Accident · No injuriesField investigationFinal reportDouglas DC-3C · Petersburg, AKThe pilot's improper decision to ditch the aircraft when it could have been flown back to the airport using the right seat controls. Contributing factor(s) was: the failure & separation of a portion of the right aileron fabric, and the pilot's excessive force…Jun 26, 1989 · N8042X · Substantial damageNTSB ANC85FA112Accident · No injuriesField investigationFinal reportDouglas DC-3 · King Salmon, AKDuring an instrument apch, the acft's right eng lost power. The plt moved the right fuel selector to the left main tank & began emergency procedures. Shortly after that, the acft broke out of the overcast & the aircrew saw the arpt. However, the left eng also…Jun 30, 1985 · N168Z · Substantial damageNTSB ANC81FA074Accident · 3 fatalClosedDouglas DC-3 · Pilot Point, AKJul 1, 1981 · N111ST · DestroyedNTSB ANC70AA080Accident · Minor injuriesClosedDouglas DC-3C · Barrow, AKMay 21, 1970 · N75430 · Substantial damageNTSB ANC66A0010Accident · No injuriesClosedDouglas DC-3 · Mc Carthy, AKSep 14, 1965 · N91314 · Substantial damage