Italian cruiser Etna ship for Rear Admiral Alfredo Acton during the Battle of the Strait of Otranto. The old cruiser was sold for scrapping on 15 May 1921, and was the last surviving ship of her class. Italian cruiser Etna Etna was a protected cruiser of the Italian "Regia Marina" (Royal Navy) built in the 1880s. She was the lead ship of the , which included three sister ships. Named for Mount Etna on the island of Sicily, the ship was laid down in January 1883, was launched in September 1885, and was completed in December 1887. She was armed with a main
Etna (sternwheeler) of "Etna" was substantially affected by the rise and fall of river levels, which were generally seasonal. Small craft like "Etna" on the Columbia River system were sometimes referred to at the time as the "mosquito fleet" "Etna" was built in Portland, Oregon in 1906 for Horace Campbell by the Portland shipyard of Joseph Supple. Campbell was a steamboat engineer with extensive experience on the Lewis and Lake rivers. "Etna" was exclusive of the extension of the deck over the stern, called the fantail, on which the stern-wheel was mounted. "Etna" had a beam of exclusive of the protective timbers