O12
Grand Lake St Marys Seaplane Base
VFR
41° 6′ 36″ N 88° 47′ 44″ E
/
620 ft
(189 m MSL)
navigation
278°
navigation
305°
41° 39′ 28″ N 88° 37′ 16″ E
/
670 ft
(204 m MSL)
navigation
288°
41° 33′ 30″ N 88° 39′ 52″ E
/
640 ft
(195 m MSL)
navigation
286°
navigation
289°
navigation
164°
navigation
67°
navigation
203°
navigation
278°
41° 26′ 41″ N 88° 43′ 0″ E
/
630 ft
(192 m MSL)
navigation
284°
navigation
285°
navigation
250°
41° 38′ 18″ N 88° 38′ 40″ E
/
677 ft
(206 m MSL)
navigation
287°
42° 43′ 50″ N 87° 49′ 36″ E
/
686 ft
(209 m MSL)
navigation
310°
navigation
217°
navigation
297°
navigation
287°
navigation
286°
navigation
220°
navigation
78°
37° 36′ 36″ N 86° 30′ 26″ E
/
577 ft
(176 m MSL)
navigation
207°
navigation
294°