Categories Uncategorised Riby GY 594 Post author By Trevor Hallifax Post date 24 July 2020 RIBY built 1910Requisitioned 06/1915 as boom defence vesselReturned 1919 Her Details are Official NumberAdmiralty NumberGT 214Armament 1-12pdr Tags gy-594 ← Riby GY 623 → Richard Boston GY 1055