O12
Grand Lake St Marys Seaplane Base
MVFR
navigation
7°
navigation
289°
navigation
343°
navigation
107°
navigation
291°
navigation
71°
navigation
80°
navigation
46°
navigation
89°
navigation
298°
navigation
214°
navigation
235°
41° 40′ 29″ N 87° 44′ 58″ E
/
623 ft
(190 m MSL)
navigation
293°
navigation
201°
US-3333
Chicago Police Marine Heliport
41° 53′ 14″ N 87° 36′ 35″ E
/
584 ft
(178 m MSL)
navigation
298°
navigation
296°
38° 26′ 0″ N 86° 41′ 27″ E
/
536 ft
(163 m MSL)
navigation
218°
navigation
100°
navigation
230°
38° 16′ 5″ N 82° 34′ 38″ E
/
630 ft
(192 m MSL)
navigation
147°
41° 50′ 53″ N 87° 38′ 54″ E
/
582 ft
(177 m MSL)
navigation
297°
navigation
81°
39° 0′ 49″ N 87° 24′ 25″ E
/
976 ft
(297 m MSL)
navigation
234°