O12
Grand Lake St Marys Seaplane Base
VFR
41° 56′ 7″ N 85° 38′ 55″ E
/
823 ft
(251 m MSL)
navigation
327°
navigation
243°
navigation
266°
navigation
243°
navigation
69°
navigation
191°
navigation
59°
navigation
57°
navigation
229°
39° 45′ 43″ N 86° 23′ 44″ E
/
832 ft
(254 m MSL)
navigation
241°
navigation
25°
navigation
296°
navigation
166°
navigation
190°
navigation
76°
navigation
297°
navigation
49°
navigation
192°
40° 32′ 34″ N 86° 40′ 54″ E
/
671 ft
(205 m MSL)
navigation
269°
navigation
295°
navigation
234°
navigation
59°
navigation
167°