SKYPORT
CORNELIUS, OR
Privately owned and non-towered, 4S4 (Skyport) serves Cornelius, Oregon. The field has one turf runway, 16/34, measuring 2,000 by 45 feet. No published instrument approaches. Operations are conducted under visual flight rules. Arriving and departing aircraft self-announce their positions on the common traffic advisory frequency, 122.9 MHz. Field elevation is 174 feet above mean sea level.