NTSB investigations: Pratt & Whitney R-1830 series

5 cases on aircraft whose registry engine model is Pratt & Whitney R-1830 series, where the first occurrence was “Airframe/component/system failure/malfunction”. 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

19822026
NTSB investigations: Pratt & Whitney R-1830 series per year, 1982–2026: 5 cases
19821
19891
19911
19932

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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52020')
      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\" = 130))
  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 MIA94LA003Accident · No injuriesLimited investigationFinal reportDouglas DC-3C · San Juan, PRPartial failure of a wing rib due to exfoliation corrosion and inadequate inspection of the aircraft by company maintenance personnel.Oct 7, 1993 · N781T · Substantial damageNTSB MIA93LA106Accident · No injuriesLimited investigationFinal reportDouglas DC-3C · Zephyrhills, FLThe pilot-in-command's failure to maintain best single-engine rate-of-climb speed which resulted in a forced landing. A factor which contributed to the accident was a possible exhaust system clamp failure.Apr 20, 1993 · N8056 · Substantial damageNTSB DEN91LA102Accident · No injuriesLimited investigationFinal reportDouglas DC-3C · Albuquerque, NMThe failure of the right main landing gear tire.Jul 20, 1991 · N96H · 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 MIA82DA178Accident · No injuriesFinal reportDouglas C-47 · Charlotte AmaliThe pilot reported normal braking pressure failed while taxiing on the ramp. He attempted to steer clear of other aircraft, but collided with two parked DC-3 aircraft. No determination of the nature of the braking problem was made.Aug 23, 1982 · N87629 · Substantial damage