P199 (2021), CC BY-SA 4.0, via Wikimedia Commons
CYSP
Marathon Airport
LIFR
41° 50′ 9″ N 86° 13′ 30″ W
/
750 ft
(229 m MSL)
navigation
179°
navigation
188°
navigation
192°
US-3333
Chicago Police Marine Heliport
41° 53′ 14″ N 87° 36′ 35″ W
/
584 ft
(178 m MSL)
navigation
186°
41° 55′ 22″ N 87° 57′ 46″ W
/
695 ft
(212 m MSL)
navigation
188°
41° 55′ 48″ N 88° 2′ 28″ W
/
728 ft
(222 m MSL)
navigation
189°
42° 26′ 59″ N 90° 27′ 24″ W
/
865 ft
(264 m MSL)
navigation
203°
41° 54′ 32″ N 87° 52′ 26″ W
/
640 ft
(195 m MSL)
navigation
188°
42° 18′ 29″ N 89° 59′ 0″ W
/
930 ft
(283 m MSL)
navigation
200°
43° 33′ 41″ N 79° 42′ 9″ W
/
523 ft
(159 m MSL)
navigation
140°
41° 54′ 45″ N 87° 56′ 16″ W
/
705 ft
(215 m MSL)
navigation
188°
navigation
132°
43° 54′ 55″ N 79° 8′ 2″ W
/
739 ft
(225 m MSL)
navigation
136°
navigation
166°
navigation
166°
42° 6′ 20″ N 89° 10′ 59″ W
/
720 ft
(219 m MSL)
navigation
195°
41° 52′ 29″ N 87° 40′ 24″ W
/
593 ft
(181 m MSL)
navigation
187°
42° 17′ 12″ N 89° 57′ 26″ W
/
959 ft
(292 m MSL)
navigation
200°
41° 55′ 16″ N 84° 35′ 8″ W
/
1.182 ft
(360 m MSL)
navigation
170°
41° 54′ 51″ N 88° 3′ 20″ W
/
734 ft
(224 m MSL)
navigation
189°
navigation
198°
navigation
202°
44° 7′ 35″ N 93° 52′ 18″ W
/
1.000 ft
(305 m MSL)
navigation
225°