The SS Mona (I) was a wooden paddle steamer operated by the Isle of Man Steam Packet Company, notable as the first vessel to bear this name within the company's fleet. Constructed by John Wood & Co at Port Glasgow, she was launched on 27 July 1831. The vessel measured a registered length of 103.2 feet (31.5 meters), with a beam of 15.8 feet (4.8 meters) and a depth of 9.1 feet (2.8 meters). Her gross register tonnage (GRT) was 150, and her net register tonnage (NRT) was 67, reflecting her relatively small size among steamers of her era. Powering Mona was a side-lever steam engine built by Robert Napier and Sons of Glasgow, which drove her side paddle wheels. The engine operated at a working pressure of 15 pounds per square inch and was rated at 70 nominal horsepower (NHP). This configuration enabled Mona to reach a speed of approximately 9 knots (about 17 km/h or 10 mph), facilitating efficient passenger and cargo service. Initially, Mona was hurriedly commissioned for winter service, replacing Mona's Isle, which was deemed too valuable to risk in stormy conditions. She entered service on routes to Whitehaven and, from October 1832, to Liverpool, offering faster crossings than her predecessor. Mona notably reduced the Douglas–Liverpool journey to around seven hours and made one record passage from Douglas to Whitehaven in four hours and 35 minutes. As the smallest vessel in the fleet, Mona served for less than a decade before being sold. Around 1839, her port of registration changed from Douglas to Liverpool, and she was acquired by C Drinkwater. In 1841, the Liverpool Steam Tug Company purchased her for use as a tug. Later, in 1852, she was bought by James Ward, Hugh Sheridan, and Charles Flanagan and registered in Dublin, with her tonnage revised to 125 GRT and 68 NRT. Her official number was 13398 following the Merchant Shipping Act 1854. Mona was ultimately scrapped in 1864, ending her maritime service.

This description has been generated using GPT-4.1-NANO based on the Vessel's wikidata information and then modified by ShipIndex.org staff.