18IS
Allstate South Barrington Plaza Heliport
VFR
navigation
351°
navigation
249°
navigation
2°
navigation
241°
navigation
182°
42° 6′ 3″ N 91° 15′ 42″ E
/
838 ft
(255 m MSL)
navigation
269°
navigation
34°
navigation
190°
navigation
287°
navigation
233°
navigation
192°
navigation
206°
39° 58′ 32″ N 86° 55′ 11″ E
/
799 ft
(244 m MSL)
navigation
156°
navigation
0°
navigation
178°
navigation
63°
navigation
111°
39° 46′ 58″ N 88° 32′ 48″ E
/
682 ft
(208 m MSL)
navigation
186°
navigation
185°
navigation
165°
navigation
50°
navigation
100°