Apt: 6D

MICHIGAN	6D6	GREENVILLE MUNI
MICHIGAN	6D9	EAST TAWAS IOSCO CO
MINNESOTA	6D1	BROOTEN MUNI
NORTH DAKOTA	6D8	VALLEY CITY BARNES CO MUNI
NORTH DAKOTA	6D3	MADDOCK MUNI
OHIO	6D7	DESHLER MUNI LANDING STRIP
OHIO	6D5	AKRON SCHMELTZER HELIPORT