The Chahbaaz as an Italian-built Iranian gunboat of 331 tons displacement launched in 1931. The Chahbaaz was powered by two sets of Fiat diesel engines providing a top speed of 15.5 knots and a range of 4800 km at 8 knots. She carried a complement of probably 44, but this is unconfirmed. Armaments consisted of two 3-inch guns and two 37 mm anti-air...