Airport ONZ is Grosse Ile Municipal Airport, Detroit/Grosse Ile, Michigan USA
Similar to ONZ
01K - Caldwell Municipal Airport, Caldwell, Kansas USA01KY - Lourdes Hospital Heliport, Paducah, Kentucky USA
01M - Tishomingo County Airport, Belmont, Mississippi USA
01T - High Island South 511 Supplementary Aviation Weather Reporting Station, Gulf of Mexico
01TE - Smith Field Airport, Forney, Texas USA
01TS - St. Joseph Hospital Heliport, Fort Worth, Texas USA
01U - Duckwater Airport, Duckwater, Nevada USA
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