The Castoldi Tender 18 RB / SOLAS powerboat has been produced by the brand Castoldi since 2014. The Castoldi Tender 18 RB / SOLAS is a 5.68 meters RIB boat with inflatable sides with accommodation for 6 people and a draft of 0.80 meters which can reach speeds of up to 36 knots. The boat has a other hull with a CE certification class (C) and can navigate along the coastline and on rivers and canals.