39T
Tripp Creek Airport
VFR
US-4994
MidMichigan Health Park Helipad
43° 37′ 3″ N 83° 55′ 50″ E
/
596 ft
(182 m MSL)
navigation
36°
navigation
151°
navigation
153°
navigation
73°
navigation
77°
navigation
176°
navigation
191°
US-5906
Winfield Landing Seaplane Base
43° 23′ 5″ N 85° 22′ 7″ E
/
913 ft
(278 m MSL)
navigation
296°
navigation
133°
navigation
76°
navigation
59°
navigation
341°
US-6504
Spectrum Health Pennock Heliport
42° 38′ 42″ N 85° 18′ 10″ E
/
807 ft
(246 m MSL)
navigation
234°
navigation
91°
navigation
126°
navigation
123°
navigation
260°
navigation
274°
navigation
237°
navigation
132°
navigation
68°
navigation
330°