Alcock Ashdown Survey Catamarans are a series of six 500 ton steel hull/aluminium superstructure Hydrographic Survey Catamarans being built by Alcock Ashdown (Gujarat) Ltd at its Bhavnagar shipyard for the Indian Navy.
United States Geological Survey | Ordnance Survey | Coast Survey | British Geological Survey | Sloan Digital Sky Survey | Geological Survey of Canada | Archaeological Survey of India | survey | Dominion Land Survey | California Geological Survey | South Georgia Survey | Paddy Ashdown | U.S. National Geodetic Survey | Great Trigonometric Survey | Geological Survey of India | Ashdown Forest | Wide Field Infrared Survey Telescope | Survey of English Dialects | Down Survey | Astronomy and Astrophysics Decadal Survey | Ashdown House, East Sussex | Archaeological Survey of Canada | Survey | Public Land Survey System | Norwegian Geological Survey | Large Synoptic Survey Telescope | International Catamaran Challenge Trophy | C. W. Alcock | Battle of Ashdown | Baby Tooth Survey |