Wärtsilä Submits Aquarius UV BWMS for USCG Type Approval 2 November 2018 Wärtsilä has submitted its Aquarius UV BWMS for USCG Type Approval. Author: Capt. Johnhttps://worldmaritimenews.com/archives/263834/wartsila-submits-aquarius-uv-bwms-for-uscg-type-approval/