Airport A23 is Saginaw Seaplane Base, Saginaw, Alaska USA Saginaw, Michigan is HYX
Similar to A23
04F - De Leon Municipal Airport, De Leon, Texas USA04G - Lansdowne Airport, Youngstown, Ohio USA
04I - Columbus Southwest Airport, Columbus, Ohio USA
04J - former code for Darlington County Jetport, Darlington, South Carolina USA now UDG
04LS - Louisiana National Guard Heliport, Baton Rouge, Louisiana USA
04M - Calhoun County Airport, Pittsboro, Mississippi USA
04NC - Western Wake Medical Center Heliport, Cary, North Carolina USA
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