Seafly 340 – Leah by Admin · Published January 3, 2017 · Updated July 21, 2018 Seafly 340 Seaweed & 90 Clang, in drifting conditions (photo: John Gascoigne)Seafly 340 Leah was built by Brian Lay; First owned by Barry Schick (Canberra Yacht Club). At sometime later it would appear to have been named Seaweed.