Ron van Maanen
On stocks in North Shields, United Kingdom 1906 and launched the same year, bought by the Dutch navy 6 September 1914 as the steam trawler named Onder Trawler and rebuilt at the navy yard at Hellevoetsluis as a minelayer and commissioned November 1914. In 1921 rebuilt at Hellevoetsluis as a fishery protection vessel, in 1930 rebuilt at Willemsoord as a diving mother vessel and commissioned in 1933. Fate unknown.
With a displacement of 477 tons were her dimensions 38,1 x 6,41 x 3,40 metres. Her engine supplied 412 ihp allowing a speed of 10,2 knots. She was armed with 2-3,7cm guns and carried 30 mines with her. Her crew numbered 34 men.
