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Mulino State (K4S9 / 4S9), Portland, OR, USA. Fuel: AVGAS ONLY. Customs: No. Handling mandatory: No. Slot required: No. Longest runway: 3425 x 100, 14/32. Elevation: 260 ft.
No handler or FBO is listed at K4S9 yet. Pilots and operators can request handling coordination through the i-Handler app, and providers at this airport can list their services for free from the i-Handler portal.
Plan a trip to K4S9, generate permits and paperwork, and chat with local providers in the i-Handler app. Flying to the United States? Read the permits, paperwork and handling guide.