All airports, landing fields or heliports shall be required to have at least one wind direction indicator of the type and kind approved by the commission, so located to show a true indication of the wind on the landing area and readily visible to aircraft. If the airport, landing field or heliport is lighted for night operations, the wind indicator shall be equipped with adequate lighting.
S.D. Admin. R. 70:02:04:11
General Authority: SDCL 50-2-2.1.
Law Implemented: SDCL 50-2-2.1.