The Saunders Roe A.27 London was a British military biplane flying boat built by the Saunders Roe company. Only 31 were built entering service with the Royal Air Force in 1936. Although due for replacement by the outbreak of World War II they saw some active service pending the introduction of the ultimately unsuccessful Lerwick.
Made by Saunders-RoeSaunders-Roe Ltd.
It is the successor of the Saunders Severn .