Fatal NTSB investigations: Lycoming IGSO-540-B1A

20 cases on aircraft whose registry engine model is Lycoming IGSO-540-B1A. 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
Fatal NTSB investigations: Lycoming IGSO-540-B1A per year, 1977–2026: 20 cases
19771
19783
19791
19803
19812
19831
19851
19881
19891
19921
19931
19951
20071
20101
20191

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.\"highestInjuryLevel\" = 'Fatal'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41535'))
  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 WPR19FA175Accident · 1 fatalClass 3 · FieldFinal reportRobinson R44 · Two Harbors, CAThe pilot's continued visual flight into instrument meteorological conditions, which resulted in controlled flight into terrain.Jun 18, 2019 · N7187D · DestroyedNTSB WPR11FA078Accident · 1 fatalField investigationFinal reportAero Commander 680FL · Perris, CAThe pilot’s decision to continue visual flight into instrument meteorological conditions, which resulted in an in-flight collision with mountainous terrain.Dec 20, 2010 · N316KW · Substantial damageNTSB NYC08FA012Accident · 4 fatalField investigationFinal reportAero Commander 560-F · Wiley Ford, WVA partial power loss in the right engine due to the failure of the number one exhaust valve, and the airplane's inability to maintain a climb on one engine for unknown reasons. Contributing to the accident were fog and rising terrain. [This report was…Oct 14, 2007 · N6370U · DestroyedNTSB CHI95FA124Accident · 1 fatalField investigationFinal reportBeech 65-B80 · Great Bend, NDthe pilot/mechanic's inadequate maintenance (inspection) of aircraft and the pilot's failure to maintain airspeed (VMC). Factors were icing conditions, deteriorated induction air ducting, and failure of a piston assembly.Apr 12, 1995 · N7057J · DestroyedNTSB FTW93WA270Accident · 3 fatalForeign investigationAero Commander 680F · Chihuahua, MexicoJun 3, 1993 · N8676D · DestroyedNTSB LAX93FA045Accident · 2 fatalField investigationFinal reportBeech D50A · Ely, NV1) The pilots decision to attempt VFR flight into instrument meteorological conditions, which included mountain obscurement and severe mixed icing, and, 2) his failure to maintain control of the aircraft due to a probable aerodynamic stall induced by severe…Oct 29, 1992 · N102F · DestroyedNTSB LAX89FA307Accident · 1 fatalField investigationFinal reportAero Commander 680FLP · Kailua-Kona, HIInadequate maintenance, and operation by the pilot with known deficiencies in the aircraft. Factors related to the accident were: excessive wear in both engines, improper use of powerplant controls by the pilot, subsequent overtemperature/detonation in both…Sep 11, 1989 · N22LR · DestroyedNTSB MIA88LA104Accident · 2 fatalLimited investigationFinal reportBeech 65-88Undetermined.Feb 7, 1988 · N884G · DestroyedNTSB DCA85AA012Accident · 9 fatalFinal reportBeech 65-A80 · Soldotna, AKDuring arrival, the crew of npa flt 1802 contacted the company wx observer at Soldotna who advised the wx was: wnd calm,ceiling 600 to 800 ft, vis 8 to 10 mi, no precip. They made an NDB apch, but missed the apch & requested another apch. Aprx 1 min later,…Feb 4, 1985 · N50NP · DestroyedNTSB FTW83FA299Accident · 2 fatalField investigationFinal reportAero Commander 680-F · Norman, OKThe acft crashed after starting a go-around or aborted landing at normal ok. The acft was on a x-country from dallas to wichita. There was no radio communication with the acft after it was cleared to land. The approach looked ok but on short final the acft…Jun 28, 1983 · N6139X · DestroyedNTSB MIA81FA102Accident · 2 fatalClosedBeech 65-B80 · Groveland, FLJul 28, 1981 · N1028C · DestroyedNTSB ATL81FA062Accident · 2 fatalClosedBeech 65-B80 · Pine Knot, KYApr 10, 1981 · N3768Z · DestroyedNTSB MIA80DA094Accident · 1 fatalClosedBeech 65-80 · Pt.Maria (Gulf of Mexico)Aug 25, 1980 · N218K · DestroyedNTSB FTW80FA096Accident · 2 fatalClosedAero Comdr 680FLP · Iola, TXJul 25, 1980 · N6515V · DestroyedNTSB MIA80FA032Accident · 2 fatalClosedAero Comdr 680FL · Sebring, FLFeb 14, 1980 · N662B · DestroyedNTSB FTW79FA041Accident · 3 fatalClosedAero Comdr 680FP · El Reno, OKJan 11, 1979 · N2177M · DestroyedNTSB MIA78DA115Accident · 2 fatalClosedAero Comdr 680F · Ngreat Inagua (Atlantic Ocean)Aug 7, 1978 · N669SA · DestroyedNTSB MIA78FA060Accident · 1 fatalClosedAero Comdr 680F · Fellsmere, FLApr 5, 1978 · N2998C · DestroyedNTSB IAD78FA041Accident · 4 fatalClosedAero Cmdr 680FL · Morrisville, NCFeb 13, 1978 · N26511 · DestroyedNTSB MIA77FA080Accident · 3 fatalClosedBeech 65-80 · Vancleave, MSAug 13, 1977 · N6DG · Destroyed