Home Products Company Events Careers Agents Contact Us Sitemap       Height Indicator & Hover Aid Thermometer (HIHAT)   HELIVAS SGSI SHRS Deck Edge Lights Floodlighting Wave Off Stop/Go Traffic Light Obstruction Light Homing Beacon Mast Head Obstruction GLIS HIHAT         HIHAT System Description Description of the Height Indicator & Hover Aid Thermometer (HIHAT) System.   download   Aeronautical & General Instruments Limited, Fleets Point, Willis Way, Poole, Dorset, BH15 3SS. United Kingdom. Phone: +44 (0)1202 685661 Fax: +44 (0)1202 685670 Email: sales@agiltd.co.uk   site by tandi.co.uk