NTSB investigations: Pratt & Whitney JT8D-9 series, IL

9 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19712026

NTSB investigations: Pratt & Whitney JT8D-9 series, IL per year, 1971–2026: 9 cases
1971	1
1979	2
1983	1
1986	1
1989	1
1990	1
1992	1
1999	1

Where

Open the map

Latest cases

Query with SQL

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" = 'IL' 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 ('52048')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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\" = 'IL' 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 ('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.

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" = 'IL' 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 ('52048'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run 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 CHI00IA009Incident · No injuriesIncident investigationFinal reportMcDonnell Douglas DC-9-51 · Chicago, ILThe landing gear's wheel separation due to the improper installation of the wheel by company maintenance personnel using incomplete maintenance steps, and the maintenance steps not listed in the manufacturer's manual. Factors were the airport perimeter wall…Oct 14, 1999 · N766NC · No damage NTSB CHI93LA043Accident · Serious injuriesLimited investigationFinal reportBoeing 727-232 · Chicago, ILThe captain's inadequate coordination with the ground and flight crew. Factors related to the accident were: the passenger's perception that the APU exhaust was a fire, which resulted in action that initiated an evacuation.Nov 28, 1992 · N401DA · No damage NTSB CHI90IA166Incident · No injuriesIncident investigationFinal reportMcdonnell Douglas DC-9-32 · Chicago, ILThe pilot-in-command's inadequate weather evaluation. Factors in the incident were the weather and artcc's failure to issue a weather advisory.Jun 29, 1990 · N948ML · No damage NTSB 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 damage NTSB 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 damage NTSB CHI83FA251Accident · Serious injuriesField investigationFinal reportBoeing 727-222A · Chicago, ILDuring the takeoff roll, the #1 eng failed & the takeoff was aborted at aprx 70 KTS. The aircrew taxied the acft clear of the rwy & stopped on the reverse high speed turnoff. The aircrew of another company acft transmitted that the #1 eng was on fire. There…Jun 11, 1983 · N7273U · Substantial damage NTSB CHI79FI070Incident · No injuriesClosedDouglas DC-9 · Chicago, ILAug 30, 1979 · N772NC · Minor damage NTSB DCA79AA009Accident · No injuriesClosedBoeing 747 · Chicago, ILFeb 15, 1979 · N804FT · 2 aircraft · Substantial damage NTSB CHI72AC034Accident · No injuriesClosedDouglas DC-9 · Chicago, ILOct 9, 1971 · N3308L · Minor damage