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 CHI80DER43Accident · No injuriesClosedHughes 269C · Willmar, MNJun 1, 1980 · N7448F · Substantial damageNTSB LAX80FVM30Accident · Minor injuriesClosedKR 2 · Half Moon Bay, CAMay 14, 1980 · N76KH · Substantial damageNTSB IAD80FLT06Accident · No injuriesClosedGrumman G-164A · Montezuma, TNApr 16, 1980 · N48408 · Substantial damageNTSB CHI80DEM19Accident · No injuriesClosedStinson 108-2 · Marquette, MIMar 16, 1980 · N8563K · Substantial damageNTSB DEN80FTE33Accident · Serious injuriesClosedAeronca 7BCM · Rush, COMar 15, 1980 · N2704E · DestroyedNTSB SEA80FYE18Accident · Serious injuriesClosedAerospatle 318C · Aberdeen, WAFeb 27, 1980 · N5593N · Substantial damageNTSB MIA80FKG15Accident · Serious injuriesClosedPiper PA-12 · Columbus, GAJan 20, 1980 · N2684M · Substantial damageNTSB LAX80FUG15Accident · Serious injuriesClosedBell 47G3B1 · Yucaipa, CADec 19, 1979 · N7923S · DestroyedNTSB LAX80FUQ03Accident · 2 fatalClosedRand KR-2 · Mojave, CANov 11, 1979 · N56WP · DestroyedNTSB MKC80FCD04Accident · No injuriesClosedPiper PA-22 · Des Moines, IAOct 28, 1979 · N8731C · Substantial damageNTSB MIA80FA006Accident · 1 fatalClosedSikorsky S-55 · Davenport, FLOct 23, 1979 · N95761 · DestroyedNTSB MIA80DLG01Accident · Minor injuriesClosedQuickie 1 · Allendale, SCOct 19, 1979 · N9662 · DestroyedNTSB LAX79DUK20Accident · Minor injuriesClosedPiper PA-36 · Safford, AZSep 28, 1979 · N57759 · Substantial damageNTSB MKC79DER74Accident · Minor injuriesClosedPietenpol Aircmp · Minneapolis, MNSep 21, 1979 · N25157 · Substantial damageNTSB CHI79FEM37Accident · Minor injuriesClosedSikorsky S-55B · Stanton, MIAug 30, 1979 · N6737 · Substantial damageNTSB MIA79DLG29Accident · Minor injuriesClosedHiller UH-12E · Timmonsville, SCAug 20, 1979 · N121NR · Substantial damageNTSB NYC79FA076Accident · No injuriesClosedRichard KR-2 · Asbury Park, NJAug 14, 1979 · N2262N · Substantial damageNTSB ANC79DAG79Accident · No injuriesClosedDehavilland DHC-2 · Mcgrath, AKAug 12, 1979 · N5154G · Substantial damageNTSB NYC79FA069Accident · No injuriesClosedBell 47G · Poultney, VTJul 30, 1979 · N64816 · Substantial damageNTSB MKC79FER63Accident · No injuriesClosedHughes 269C · Willmar, MNJul 2, 1979 · N7448F · Substantial damageNTSB FTW79DRD46Accident · No injuriesClosedSchweizer SGS126 · Robert, LAJul 1, 1979 · N17917 · Substantial damageNTSB SEA79FTI15Accident · No injuriesClosedScorpion II · Belgrade, MTMay 21, 1979 · N133RW · Substantial damageNTSB SEA79DYA09Accident · No injuriesClosedMaule M5210C · Hailey, IDMar 12, 1979 · N348X · Substantial damageNTSB MKC79DCD11Accident · No injuriesClosedCessna 140 · Lamotte, IAFeb 11, 1979 · N89902 · Substantial damageNTSB NYC79FA023Accident · Serious injuriesClosedBeech C45 · Reading, PAJan 31, 1979 · N346V · Substantial damageNTSB LAX79DUM03Accident · No injuriesClosedParks P-1 · El Centro, CANov 29, 1978 · N964K · Substantial damageNTSB SEA79DYM04Accident · No injuriesClosedSoloy UH12E · Molalla, ORNov 2, 1978 · N5381V · Substantial damageNTSB OAK79DJA02Accident · No injuriesClosedMurrayair MA-1B · Maui, HIOct 14, 1978 · N1015Y · Substantial damageNTSB OAK78FXQ48Accident · No injuriesClosedN American P-51H · Reno, NVSep 16, 1978 · N49WB · Substantial damageNTSB FTW78FA077Accident · No injuriesClosedCessna 182Q · San Antonio, TXSep 7, 1978 · N735UB · Substantial damageNTSB MIA78DKG77Accident · No injuriesClosedHoak TR-1 · Stockbridge, GAAug 19, 1978 · N26112 · Substantial damageNTSB MIA78FKG67Accident · Serious injuriesClosedHughes 269C · Buena Vista, GAJul 30, 1978 · N7413F · DestroyedNTSB LAX78FUQ45Accident · No injuriesClosedSergent 2T-1A · Agua Dulce, CAJul 30, 1978 · N48DC · Substantial damageNTSB ANC78DAA32Accident · Minor injuriesClosedStinson 108-3 · Fairbanks, AKJul 23, 1978 · N65127 · Substantial damageNTSB OAK78DVD43Accident · Serious injuriesClosedRaven S-55A · Tracy, CAJul 9, 1978 · N70BE · Minor damageNTSB NYC78DFA26Accident · Minor injuriesClosedPiper J-3 · West Carthage, NYJul 2, 1978 · N92629 · DestroyedNTSB IAD78FA074Accident · No injuriesClosedCessna 310Q · Durham, NCJun 29, 1978 · N7537Q · Substantial damageNTSB FTW78FPM21Accident · Serious injuriesClosedSemco Chlngr · Tulsa, OKJun 29, 1978 · N14554 · No damageNTSB SEA78DYE27Accident · No injuriesClosedPietenpol Bowers · Tacoma, WAJun 28, 1978 · N688Y · Substantial damageNTSB NYC78FNA29Accident · 1 fatalClosedSchweizer 233A · Plymouth, MAJun 10, 1978 · N17958 · Substantial damageNTSB NYC78FNA28Accident · No injuriesClosedCessna 177B · Plymouth, MAJun 4, 1978 · N19708 · 2 aircraft · Substantial damageNTSB OAK78FJA07Accident · No injuriesClosedBeech H18 · Molakai, HIMay 19, 1978 · N35AP · Substantial damageNTSB IAD78FA064Accident · No injuriesClosedCessna 404 · Covington, KYMay 16, 1978 · N5422G · Substantial damageNTSB LAX78FUQ25Accident · No injuriesClosedBell 47G · Sylmar, CAMay 4, 1978 · N4702S · Substantial damageNTSB FTW78FPG26Accident · 1 fatalClosedBensen B8-MG · Carlisle, ARApr 23, 1978 · N26083 · DestroyedNTSB MIA78DKJ30Accident · Minor injuriesClosedBellanca 7KCAB · Wetumpka, ALApr 9, 1978 · N1131E · DestroyedNTSB MIA78FKQ05Accident · No injuriesClosedN.American P-51 · Ellisville, MSFeb 15, 1978 · N117E · Substantial damageNTSB MIA78FLD21Accident · 1 fatalClosedHolt PDQ2 · Arcadia, FLJan 29, 1978 · N30CH · DestroyedNTSB IAD78IA036Incident · No injuriesClosedBeech TC45J · Norfolk, VAJan 25, 1978 · N231LJ · Minor damageNTSB IAD78DKM05Accident · No injuriesClosedBeech B23 · Sophia, NCJan 12, 1978 · N2325J · Substantial damage