NTSB investigations: Amateur-built UNKNOWN ENG

2,048 cases on aircraft whose registry engine model is Amateur-built UNKNOWN ENG. 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, newest first

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 ('99999'))
  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 LAX75FUA22Accident · Serious injuriesClosedBellanca 17-30 · Santa Ana, CAMar 17, 1975 · N7388V · Substantial damageNTSB MKC75FCD37Accident · Minor injuriesClosedBrantly 305 · Swisher, IAMar 2, 1975 · N16616 · Substantial damageNTSB MIA75FLA22Accident · No injuriesClosedBensen B8M · St Augustine, FLNov 10, 1974 · N9742 · Substantial damageNTSB LAX75DUJ45Accident · No injuriesClosedBrantly B-2 · Mesa, AZNov 2, 1974 · N5905X · Substantial damageNTSB LAX75DUQ10Accident · No injuriesClosedSmith Mini Plane · Van Nuys, CASep 24, 1974 · N842 · Substantial damageNTSB NYC75FNA10Accident · No injuriesClosedChampion 7KCAB · Norfolk, MAAug 11, 1974 · N5063X · Substantial damageNTSB CHI75FEP12Accident · Minor injuriesClosedWalts Wings S1 · Hartford, WIAug 5, 1974 · N7748 · Substantial damageNTSB MKC75DTG10Accident · No injuriesClosedPiper PA-18 · Cooperstown, NDAug 4, 1974 · N167T · Substantial damageNTSB ANC75AA009Accident · Serious injuriesClosedSikorski S58ST · Umiat, AKAug 4, 1974 · N47246 · Substantial damageNTSB NYC75FHD10Accident · No injuriesClosedEnstrom F-28A · Media, PAJul 31, 1974 · N4890 · Substantial damageNTSB CHI75DEC06Accident · No injuriesClosedPiper PA-24 · Flushing, MIJul 26, 1974 · N7605P · Substantial damageNTSB NYC75FGT03Accident · Minor injuriesClosedBensen B-8-VW · Harrisburg, PAJul 16, 1974 · N1709 · Substantial damageNTSB DEN74DTC40Accident · Minor injuriesClosedChampion 7GCBC · Lingle, WYJun 28, 1974 · N5138X · Substantial damageNTSB MKC74FTG22Accident · No injuriesClosedPiper PA-25 · Hazelton, NDJun 27, 1974 · N7358Z · Substantial damageNTSB CHI74DEP47Accident · No injuriesClosedSteffens C-II · Columbus, WIMay 26, 1974 · N8981 · Substantial damageNTSB CHI74FEK24Accident · No injuriesClosedBeech 19A · Columbus, OHMay 7, 1974 · N2127U · Substantial damageNTSB OAK74DXQ37Accident · No injuriesClosedSchweizer SGS232 · Yerrington, NVApr 27, 1974 · N17892 · Substantial damageNTSB CHI74FEC41Accident · No injuriesClosedNord Stampe SV4C · Grosse Ile, MIApr 26, 1974 · N14428 · Substantial damageNTSB OAK74DVD29Accident · Minor injuriesClosedScorpion II · Rohnerville, CAApr 7, 1974 · N977 · Substantial damageNTSB FTW74FPM15Accident · No injuriesClosedHughes 269B · Tulsa, OKDec 22, 1973 · N11XC · Substantial damageNTSB OAK74FJA05Accident · Minor injuriesClosedInterstate S-1 · No.Pacific Ocean (Pacific Ocean)Oct 21, 1973 · N37328 · DestroyedNTSB DEN74DQA17Accident · No injuriesClosedSchweizer SGS126 · Moriarty, NMSep 15, 1973 · N8671R · Substantial damageNTSB NYC74DFA06Accident · No injuriesClosedPiper PA-28 · Cobleskill, NYAug 25, 1973 · N95091 · Substantial damageNTSB NYC74FHD08Accident · No injuriesClosedFokker DR-1 · Woodbine, NJAug 12, 1973 · N1917 · Substantial damageNTSB CHI74FEG02Accident · Minor injuriesClosedBoeing A75N1 · W.Carrollton, OHJul 27, 1973 · N57348 · Substantial damageNTSB MIA74DKG12Accident · No injuriesClosedFairchild 24K · Jekyll Island, GAJul 18, 1973 · N20629 · Substantial damageNTSB MKC73FTG17Accident · No injuriesClosedStearman A75 · Northwood, NDMay 30, 1973 · N75664 · Substantial damageNTSB CHI73FEG24Accident · No injuriesClosedCessna 172 · Chillicothe, OHMay 11, 1973 · N46240 · Substantial damageNTSB NYC73FNE29Accident · No injuriesClosedScorpion II · Meriden, CTApr 17, 1973 · N8851 · Substantial damageNTSB OAK73DVA48Accident · No injuriesClosedCessna 150 · Visalia, CAMar 29, 1973 · N8580G · Substantial damageNTSB MIA73DLG39Accident · No injuriesClosedNavion A · Pelzer, SCMar 26, 1973 · N27A · Substantial damageNTSB NYC73AN047Accident · 1 fatalClosedBell H-13G · Readfield, MESep 27, 1972 · N64816 · Substantial damageNTSB CHI73FEC05Accident · No injuriesClosedStampe SV4-C · Pontiac, MIAug 31, 1972 · N14428 · 2 aircraft · Substantial damageNTSB OAK73DVG09Accident · No injuriesClosedBlanik L-13 · Angwin, CAAug 5, 1972 · N3457 · Substantial damageNTSB MIA73DLG02Accident · No injuriesClosedBell 47D1 · Dalzell, NCJul 5, 1972 · N586T · Substantial damageNTSB NYC72FFA47Accident · No injuriesClosedCessna 172B · Johnstown, NYJun 17, 1972 · N7867X · Substantial damageNTSB FTW72FPM33Accident · No injuriesClosedBoeing A75 · Blocker, OKJun 17, 1972 · N53390 · Substantial damageNTSB DEN72FTE76Accident · Serious injuriesClosedStinson 108-1 · Castle Rock, COJun 8, 1972 · N8862K · Substantial damageNTSB FTW72FRD22Accident · Minor injuriesClosedBoeing 75 · Iowa, LAMay 1, 1972 · N46888 · Substantial damageNTSB MIA72IM084Incident · No injuriesClosedMartin 404 · Columbus, MSFeb 21, 1972 · N259S · Minor damageNTSB LAX72FUJ72Accident · No injuriesClosedWashburn VP-1 · Chandler, AZFeb 18, 1972 · N3470 · Substantial damageNTSB MKC72FCQ33Accident · No injuriesClosedCessna 170B · Wichita, KSNov 11, 1971 · N1660D · Substantial damageNTSB FTW72DQD14Accident · No injuriesClosedSchleicher ASW-15 · Marfa, TXOct 23, 1971 · N8465 · Substantial damageNTSB CHI72FEA12Accident · No injuriesClosedWilson B8M · Columbus, INSep 24, 1971 · N4274 · Substantial damageNTSB ANC72AA011Accident · No injuriesClosedCessna 180H · Clarks Pt, AKAug 22, 1971 · N9062M · Substantial damageNTSB MIA72DLG09Accident · No injuriesClosedBell 47D-1 · Rembert, SCAug 20, 1971 · N586T · Substantial damageNTSB FTW72AF002Accident · 1 fatalClosedAeronca 7AC · Big Spring, TXJul 6, 1971 · N84600 · DestroyedNTSB OAK71FVM56Accident · Serious injuriesClosedBeech 35 · San Carlos, CAJun 19, 1971 · N3934N · Substantial damageNTSB DEN71DTE13Accident · Minor injuriesClosedPiper PA-12 · Louviers, COJun 4, 1971 · N3364M · Substantial damageNTSB CHI71FEK36Accident · No injuriesClosedCessna 195B · London, OHMay 18, 1971 · N2134C · Substantial damage