The Marinens Flyvebaatfabrikk M.F.11 (sometimes known as the Høver M.F.11 after its designer) was a three-seat single-engined biplane used by the Royal Norwegian Navy Air Service for maritime reconnaissance in the decade before the Second World War.The M.F. 11 was the main aircraft of the Royal Norwegian Navy Air Service up until the German invasion of Norway in 1940.