US-4074
Ervin Ridge Airport
IFR
US-0179
Black Butte North Airport
47° 50′ 43″ N 109° 11′ 11″ W
/
3.230 ft
(984 m MSL)
navigation
334°
US-4075
Black Butte West Airport
47° 50′ 29″ N 109° 12′ 14″ W
/
3.196 ft
(974 m MSL)
navigation
315°
navigation
120°
navigation
210°
47° 35′ 3″ N 108° 42′ 32″ W
/
2.940 ft
(896 m MSL)
navigation
127°
navigation
77°
navigation
252°
48° 30′ 48″ N 109° 3′ 55″ W
/
2.589 ft
(789 m MSL)
navigation
5°
48° 28′ 51″ N 108° 46′ 8″ W
/
2.374 ft
(724 m MSL)
navigation
21°
navigation
226°
navigation
298°
48° 10′ 46″ N 110° 6′ 32″ W
/
2.750 ft
(838 m MSL)
navigation
299°
navigation
253°
47° 3′ 28″ N 109° 26′ 24″ W
/
4.200 ft
(1.280 m MSL)
navigation
193°
navigation
162°
47° 2′ 57″ N 109° 28′ 1″ W
/
4.170 ft
(1.271 m MSL)
navigation
194°
navigation
19°