Inner harbour of Den Helder, Netherlands 23 May 2017
Laid down at the Navy Yard Willemsoord, Netherlands in 1950, launched on 11 August 1951 and commissioned on 29/30 September 1952, renamed Terschellingerbank with as new position the sandbank Terschellingerbank. Left her position in 1976, complete automated and unmanned renamed Texel retaining her original position in 1977 and decommissioned in 1992. Displacement 493 tons and as dimensions 45.40 x 7,92 x 2,91 metres. Crew numbered 11 men.