British A.I.O.C. sea going barge P.B. 3 stationed at Abadan, Persia in May 1946

Gross register tonnage 97 tons and as maximum draught 5.5 feet. For spirit storage. Part of the fleet of Anglo-Irian Oil Company (A.I.O.C.).

Source
Quatar Digital Library's digital archive. Naval Intelligence Diversion Admiralty, S.W. 1, Persia Intelligence report May 1946-C.B, 1885 (X) (5/46) Website