Helmy oved (2016), CC BY-SA 2.0, via Wikimedia Commons
K4A7
Atlanta Speedway Airport
VFR
navigation
305°
US-3333
Chicago Police Marine Heliport
41° 53′ 14″ N 87° 36′ 35″ E
/
584 ft
(178 m MSL)
navigation
341°
navigation
351°
navigation
42°
navigation
353°
40° 27′ 40″ N 91° 4′ 25″ E
/
824 ft
(251 m MSL)
navigation
320°
42° 14′ 11″ N 83° 16′ 35″ E
/
621 ft
(189 m MSL)
navigation
5°
navigation
43°
39° 47′ 42″ N 76° 38′ 51″ E
/
1’000 ft
(305 m MSL)
navigation
46°
41° 52′ 29″ N 87° 40′ 24″ E
/
593 ft
(181 m MSL)
navigation
341°
navigation
310°
navigation
319°
navigation
58°
navigation
341°
41° 44′ 5″ N 88° 12′ 12″ E
/
709 ft
(216 m MSL)
navigation
338°
navigation
291°
navigation
58°
42° 8′ 35″ N 82° 21′ 44″ E
/
617 ft
(188 m MSL)
navigation
10°
42° 15′ 50″ N 83° 39′ 13″ E
/
835 ft
(254 m MSL)
navigation
3°
41° 38′ 28″ N 80° 8′ 45″ E
/
1’138 ft
(347 m MSL)
navigation
23°
41° 13′ 51″ N 89° 36′ 56″ E
/
808 ft
(246 m MSL)
navigation
330°
navigation
326°