File Upload Bot (Magnus Manske) (2007), Public domain, via Wikimedia Commons
KHIO
Portland Hillsboro Airport
IFR
navigation
183°
navigation
315°
US-5818
Hoffstadt Viewpoint Heliport
46° 19′ 35″ N 122° 29′ 22″ W
/
1.374 ft
(419 m MSL)
navigation
22°
46° 18′ 29″ N 122° 23′ 40″ W
/
2.661 ft
(811 m MSL)
navigation
26°
navigation
314°
44° 40′ 59″ N 122° 46′ 58″ W
/
1.139 ft
(347 m MSL)
navigation
172°
US-5601
Naval Air Station Tongue Point
46° 11′ 55″ N 123° 45′ 43″ W
/
16 ft
(5 m MSL)
navigation
319°
navigation
182°
US-6390
North Fork Toutle River Heliport
46° 22′ 28″ N 122° 35′ 46″ W
/
688 ft
(210 m MSL)
navigation
16°
navigation
155°
46° 11′ 17″ N 123° 49′ 11″ W
/
22 ft
(7 m MSL)
navigation
316°
navigation
188°
navigation
309°
navigation
313°
US-5820
Johnston Ridge Heliport
46° 16′ 43″ N 122° 12′ 59″ W
/
4.158 ft
(1.267 m MSL)
navigation
34°
navigation
191°
navigation
177°
navigation
183°
navigation
174°
44° 38′ 16″ N 123° 3′ 32″ W
/
226 ft
(69 m MSL)
navigation
184°
44° 59′ 10″ N 123° 59′ 38″ W
/
50 ft
(15 m MSL)
navigation
232°
navigation
183°