81LL
Otterbach Farm Airport
VFR
US-1979
Big Turkey Lake Seaplane Base
41° 35′ 5″ N 85° 11′ 19″ W
/
927 ft
(283 m MSL)
navigation
91°
navigation
218°
navigation
76°
44° 30′ 55″ N 88° 32′ 29″ W
/
670 ft
(204 m MSL)
navigation
9°
navigation
228°
39° 51′ 12″ N 85° 57′ 14″ W
/
860 ft
(262 m MSL)
navigation
126°
navigation
67°
44° 32′ 42″ N 89° 31′ 49″ W
/
1.110 ft
(338 m MSL)
navigation
354°
navigation
117°
43° 3′ 2″ N 92° 41′ 3″ W
/
1.146 ft
(349 m MSL)
navigation
298°
navigation
110°
navigation
100°
navigation
325°
navigation
134°
navigation
100°
navigation
122°
navigation
106°
38° 41′ 37″ N 90° 16′ 10″ W
/
600 ft
(183 m MSL)
navigation
195°
39° 26′ 40″ N 91° 57′ 6″ W
/
730 ft
(222 m MSL)
navigation
223°
navigation
206°
navigation
137°
41° 2′ 24″ N 85° 14′ 52″ W
/
811 ft
(247 m MSL)
navigation
101°
navigation
209°
navigation
18°