Major NTSB investigations: Pratt & Whitney JT8D-9 series

7 cases on aircraft whose registry engine model is Pratt & Whitney JT8D-9 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

19772026
Major NTSB investigations: Pratt & Whitney JT8D-9 series per year, 1977–2026: 7 cases
19771
19791
19861
19892
19901
20051

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.board_report_url IS NOT NULL OR c.\"investigationClass\" = 'Class 1' OR c.\"caseType\" = 'Major - Launch')
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52048'))
  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 CHI05MA111Accident · Serious injuriesMajor investigationFinal reportMcDonnell Douglas DC-9-51 · Minneapolis, MNthe Captain of the other aircraft's decision to shutdown the left engine during taxi with no hydraulic pressure on the right side hydraulic system to effectively operate the brakes, steering, or thrust reversers. A factor was the fatigue fracture of the…May 11, 2005 · N763NC · 2 aircraft · Substantial damageNTSB DCA90MA017Accident · 1 fatalClass 1 · MajorFinal reportBeech A100 · Atlanta, GA(1) Failure of the federal aviation administration to provide air traffic control procedures that adequately take into consideration human performance factors such as those which resulted in the failure of the north local controller to detect the developing…Jan 19, 1990 · N44UE · 2 aircraft · DestroyedNTSB DCA89MA035Accident · 2 fatalClass 1 · MajorFinal reportMcDonnell Douglas DC-9-33F · Saginaw, TXThe loss of control of the airplane for undetermined reasons following the inflight opening of the improperly latched cargo door. Contributing to the accident were: inadequate procedures used by evergreen airlines and approved by the FAA for preflight…Mar 18, 1989 · N931F · DestroyedNTSB CHI89MA046Accident · No injuriesMajor investigationFinal reportBoeing 737-201 · Chicago, ILPrevious damage to the aft cone (engine mounting) bolt, which resulted in mismatched surfaces between the bolt and isolation mount, loss of torque during cyclic loading of the mounting bolt, and subsequent fatigue failure of the bolt.Jan 20, 1989 · N242US · Substantial damageNTSB CHI86MA142Incident · No injuriesMajor investigationFinal reportMcdonnell Douglas DC-9-31 · Chicago, ILU.S. Air flight 373 passed over American airlines flight 695 at the intersection of runways 32R and 4L while both aircraft were taking off. Both aircraft had been cleared for takeoff by the local controller at o'hare tower. The aircraft came within twenty…May 17, 1986 · N973VJ · 2 aircraft · Minor damageNTSB DCA79AA009Accident · No injuriesClosedBoeing 747 · Chicago, ILFeb 15, 1979 · N804FT · 2 aircraft · Substantial damageNTSB LAX77AA048Accident · No injuriesClosedBoeing 727 · Tucson, AZJun 3, 1977 · N32725 · Substantial damage