O12
Grand Lake St Marys Seaplane Base
VFR
navigation
330°
navigation
338°
navigation
341°
navigation
175°
navigation
56°
navigation
208°
navigation
301°
navigation
53°
navigation
51°
navigation
171°
navigation
320°
39° 49′ 33″ N 84° 2′ 53″ E
/
823 ft
(251 m MSL)
navigation
154°
navigation
300°
navigation
314°
navigation
314°
40° 51′ 10″ N 85° 27′ 25″ E
/
806 ft
(246 m MSL)
navigation
292°
navigation
326°
41° 20′ 15″ N 84° 25′ 43″ E
/
707 ft
(215 m MSL)
navigation
3°
navigation
58°
navigation
81°
US-4253
Huffman Prairie Flying Field
39° 48′ 15″ N 84° 3′ 51″ E
/
804 ft
(245 m MSL)
navigation
156°
navigation
291°
navigation
174°