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An aviso (formerly also an ''adviso'') was a kind of dispatch boat or "advice boat". The term continues to be used in the French and some other navies. It is similar to the modern use of "sloop" in other countries. The ''Dictionnaire de la Marine Française 1788 – 1792'' (by Nicolas-Charles Romme) describes avisos as "small boats designed to carry orders or dispatches". This use became obsolete with the development of means of communicating detailed information at a distance. French World War I avisos, used also during World War II, had displacement 300-700 tons, speeds of 13-20 knots, main armaments usually of two 100 mm guns, two 138 mm guns, or four 100 mm guns. Colonial avisos, such as the intended for overseas service, were larger. The Portuguese Navy built avisos to operate in the Portuguese Empire. The Portuguese built 1st rate avisos (''Afonso de Albuquerque'' class) of 2,400 tons and 2nd rate avisos ( and ''Pedro Nunes'' classes) of 1,200 to 1,700 tons. In 1932 the Portuguese s were also classified as 2nd rate avisos. The term is now used to include combat-capable ships larger than patrol boats, but smaller than corvettes. They typically have roles in anti-submarine warfare and coastal defence. In NATO classification they are usually recognized as corvettes. The Argentine Navy has several ships classified as ''avisos''. ARA ''Alférez Sobral'', an 800-ton ''aviso'' used for non-combat tasks, built as a US Navy fleet tug, was attacked and damaged during the 1982 Falklands War.〔(Aviso ARA A"lférez Sobral" en combate ), article by her second-in-command in 1982 〕 ==See also== *s – Dutch colonial avisos officially rated as "Kanonneerboot" (gunboats) * – ''improved Flores''-class gunboat * and – US Navy gunboats similar to colonial avisos *s 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Aviso」の詳細全文を読む スポンサード リンク
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