At the A&R shipyard in Germany, the successful principle of SWATH boats was further developed in 2013: The SWASH principle allows sea-going, smaller and more economical boats.

SWATH and SWASH are interesting technologies that allow a vessel to sail much more calmly in high waves. A stable and calm position of the ship is especially important for pilot boarding.

​Ein außergewöhnlicher Anblick an der Festung Grauerort am 1. Juni 2026: Das markante rote Lotsenversetzschiff WESER passierte am späten Vormittag unsere Elbcam. Das Spezialschiff, das in der markanten SWATH-Bauweise (Doppelrumpf) konstruiert ist, befand sich nach einem Werftaufenthalt auf dem Rückweg in sein Stammrevier. Mit rund 12,5 Knoten zog der rote Hingucker elbabwärts an der Kamera vorbei.

Pilot vessel Tribulation shadowing Ramble on Rose out of Cairns .5/10/20

SWATH build by Abeking & Rasmussen (Germany)

On 22nd February 2021, Colombo Dockyard PLC (CDPLC) delivered a Pilot Launch, the third Pilot Launch, as per an Agreement signed with Sri Lanka Ports Authority (SLPA) on 1st February 2019.

Another very good explanatory video by Knud Benedict. Absolutely worth seeing.
Yaw Stability is an important element of Ships Manoeuvrability - both for course keeping and turning ability. This first video in a series explains the Basic Principles of stability in steady state equilibrium conditions and the forces / moments involved

Footage showing what the simulators look like and how they can be used to simulate ship movement in various ports.