SidewinderX (2010), Public domain, via Wikimedia Commons
KNHK
Patuxent River Naval Air Station (Trapnell Field)
VFR
navigation
312°
navigation
10°
44° 31′ 59″ N 69° 40′ 31″ E
/
333 ft
(101 m MSL)
navigation
41°
35° 3′ 38″ N 85° 35′ 7″ E
/
641 ft
(195 m MSL)
navigation
243°
navigation
39°
navigation
247°
43° 19′ 19″ N 84° 41′ 16″ E
/
754 ft
(230 m MSL)
navigation
306°
navigation
234°
36° 48′ 44″ N 86° 22′ 38″ E
/
600 ft
(183 m MSL)
navigation
256°
navigation
220°
navigation
42°
33° 11′ 52″ N 84° 5′ 3″ E
/
1’160 ft
(354 m MSL)
navigation
228°
44° 8′ 32″ N 69° 4′ 56″ E
/
107 ft
(33 m MSL)
navigation
45°
navigation
295°
navigation
302°
US-6504
Spectrum Health Pennock Heliport
42° 38′ 42″ N 85° 18′ 10″ E
/
807 ft
(246 m MSL)
navigation
299°
navigation
41°
US-1974
Sparrow Ionia Hospital Heliport
42° 56′ 10″ N 85° 4′ 2″ E
/
815 ft
(248 m MSL)
navigation
302°
42° 18′ 26″ N 85° 33′ 29″ E
/
842 ft
(257 m MSL)
navigation
296°
US-1056
Standish Industrial Airport
43° 58′ 47″ N 83° 58′ 26″ E
/
623 ft
(190 m MSL)
navigation
312°
US-1970
St. Joseph River Seaplane Base
41° 41′ 47″ N 85° 56′ 17″ E
/
750 ft
(229 m MSL)
navigation
291°
42° 17′ 13″ N 85° 34′ 53″ E
/
778 ft
(237 m MSL)
navigation
296°
31° 36′ 4″ N 81° 53′ 54″ E
/
99 ft
(30 m MSL)
navigation
212°