NICOLAISEN
MOUNT VERNON, SD
Nicolaisen, identified as 2SD4, is a privately owned, non-towered airfield in Mount Vernon, South Dakota. A lone turf runway, N/S, serves the field at 2,800 by 50 feet.
No instrument approach procedures are published, so the field is used under visual flight rules. As a non-towered field, pilots coordinate their own arrivals and departures using see-and-avoid procedures. The field has no fuel sales on record. Private-use designation means the owner's permission is required before landing.
The airport sits at 1,440 feet above mean sea level.