CRYSTAL
ST. CLAIR, MI
Located in St. Clair, Michigan, Crystal (MI41) is a privately owned, non-towered airfield. A sole runway, 01/19, extends 2,700 feet long and 40 feet wide with a concrete surface.
There are no published instrument approaches, so operations are conducted under visual flight rules. No control tower or advisory frequency is published for this field, so traffic relies on standard see-and-avoid practice. Pilots can purchase 100LL avgas here. The field is designated private use, so landing requires prior permission from the owner.
Field elevation is 610 feet above mean sea level.