Titan

 Tug on the Clyde operated by the Mirren Marine.

EVERHARD SCHULTE

 EVERHARD SCHULTE is a Chemical/Oil tanker built in 2010 by JIANGZHOU UNION SHIPBUILDING - RUI CHANG, CHINA. Currently sailing under the flag of Singapore. It's gross tonnage is 11267 tons. 

She is seen here passing Erskine on her wat to Rothesay Dock.

Fure Vangaurd

 Clyde pilot boat alongside Fure Vangaurd . 

MV Isle of Arran

 MV Isle of Arran at James Watt Dock Greenock.

MPV JURA

 Marine protection fisheries vessel operated by the Scottish government,seen here at Greenock.

Le Lyrial

 Le Lyrial is a 264-passenger, French-flagged luxury expedition yacht built in 2015 and operated by the premium cruise line Ponant. Measuring 142 meters long, she features a ice-strengthened hull.

Because of her small size and ice-strengthened design, Le Lyrial sails a mix of warm and extreme polar regions,she is seen here departing from Greenock on the River Clyde.

Thalassa

Thalassa was built and rigged in 1980 in a traditional manner as a barquentine. Rigged according to old tradition but equipped according to the latest safety standards.

In summer, Thalassa sails across Europe with various groups. In winter, the ship crosses the Atlantic with the School at Sea talent development programme.

the pictures show her at the port of Troon.