Arbuthnot was a British armed schooner or privateer brig named after Admiral Mariot Arbuthnot. The ship became the prize of the American ships Argo and Fair American in April 1780, during the American Revolutionary War. The ship was the property of the officers of HMS Rainbow in 1782.
- "American Prizes, April 1780". American War of Independence at Sea. http://www.awiatsea.com/pl/Am/American%20Prizes%20April%201780/Arbuthnot%20Brig%20(Downey).html. Retrieved 2008-09-11.
- London Gazette: , 9 April 1782. Retrieved on 1 January 2010.
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