Wandelaar was launched on 21 June 1977 at the Boelwerf in Temse. The frigate was later commissioned on 3 October 1978 with the pennant number F912. Wandelaar was the third ship in the Wielingen class. .
She was sold to the Bulgarian Navy in 2004. Wandelaar was refurbished and commissioned as Drazki and with the pennant number 41. In 2008 two other sister ships, Wielingen and Westdiep, were sold to Bulgaria.