Major NTSB investigations: Garrett TFE731 series

8 cases on aircraft whose registry engine model is Garrett TFE731 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

19802026

Major NTSB investigations: Garrett TFE731 series per year, 1980–2026: 8 cases
1980	1
1985	1
1988	1
1999	2
2010	1
2017	1
2025	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.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 ('29001')) 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.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 ('29001'))
  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.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 ('29001'))
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 WPR25FA088Accident · 1 fatalClass 2 · FieldPreliminary reportGates Learjet 35A · Scottsdale, AZOn February 10, 2025, about 1438 mountain standard time, a Gates Learjet 35A, was substantially damaged when it was involved in an accident near Scottsdale, Arizona. The captain was fatally injured, the first officer (FO) and one passenger were seriously…Feb 10, 2025 · N81VN · Substantial damage NTSB CEN17MA183Accident · 2 fatalClass 1 · MajorFinal reportLearjet 35A · Teterboro, NJThe pilot-in-command's (PIC) attempt to salvage an unstabilized visual approach, which resulted in an aerodynamic stall at low altitude. Contributing to the accident was the PIC's decision to allow an unapproved second-in-command to act as pilot flying, the…May 15, 2017 · N452DA · Destroyed NTSB CEN10MA088Accident · 2 fatalMajor investigationFinal reportGates Learjet 35A · Prospect Heights, ILA loss of control for undetermined reasons.Jan 5, 2010 · N720RA · Substantial damage NTSB NYC00MA048Accident · 3 fatalMajor investigationFinal reportIsrael Aircraft Industries 1124A · Gouldsboro, PAThe improper assembly of the horizontal stabilizer trim actuator unit by maintenance personnel.Dec 12, 1999 · N50PL · Destroyed NTSB DCA00MA005Accident · 6 fatalClass 1 · MajorFinal reportLearjet 35 · Aberdeen, SDIncapacitation of the flight crewmembers as a result of their failure to receive supplemental oxygen following a loss of cabin pressurization, for undetermined reasons.Oct 25, 1999 · N47BA · Destroyed NTSB FTW88MA047Accident · 2 fatalMajor investigationFinal reportGates Learjet 36A · Monroe, LAThe crew was executing the ILS approach and had turned back inbound on the procedure turn to the outer marker when the co-pilot stated they were 5.9 DME in a calm voice with no indication of a problem. Impact with the ground occurred at about 5.9 DME,…Jan 8, 1988 · N79SF · Destroyed NTSB DCA86AA004Accident · 6 fatalFinal reportDassault Falcon 50 · Fairview, NJDassalt falcon 50 (D50), N784B, was on vor/dme-a apch at dusk to circle/lnd at teterboro (teb), as Piper PA-28, N1977H, was transiting arpt traffic area (ata) fm west to east at 1500' in VFR (no flt pln). PA-28 plt was clrd thru ata by teb twr (staying blo…Nov 10, 1985 · N784B · 2 aircraft · Destroyed NTSB CHI80AA024Accident · 2 fatalClosedFalcon 10 · Chicago, ILJan 30, 1980 · N253K · Destroyed