ERICKSON INTERGALACTIC
VALLEY SPRINGS, SD
SD73 (Erickson Intergalactic) is a privately owned, non-towered airfield in Valley Springs, South Dakota. The field has one runway, 17/35, measuring 1,740 feet long and 115 feet wide with a turf surface.
No instrument approaches are published, so operations are conducted under visual flight rules. No control tower or advisory frequency supports traffic coordination; pilots rely on standard see-and-avoid practice here. There is no fuel service on record. The field is designated private use, so landing requires prior permission from the owner.
Field elevation is 1,440 feet above mean sea level.