Buy Windsocks from Glenview Products. Call Robert +61 0411 732 950. Aviation compliant 12 foot and 8 foot Windsocks for Airports. Also Hospitals, Highways. Smaller windsocks, more correctly known as wind direction indicators. These comply with Occupational Health and Safety regulations. They are 4 foot and 6 foot in length. Stainless Steel frames and swivel heads are necessary. Their purpose is to keep the mouth of the windsock open. A full range of frame sizes is available.