Liverpool on May 22, 1819, sighting Ireland after 23 days at sea. This was the first powered crossing of the Atlantic, although Savannah was built as a sailing ship with a steam auxiliary; she also carried a full rig of sail for when winds were favorable, being unable to complete the voyage under power alone. In 1822, Charles Napier's , the world's first iron ship, made the first direct steam crossing from London to Paris and the first seagoing voyage by an iron ship. In 1838, , a fairly small steam packet built for the Cork to London route, became the first vessel to cross the Atlantic under sustained steam power, beating Isambard Kingdom Brunel's much larger by a day. Great Western, however, was actually built for the transatlantic trade, and so had sufficient coal for the passage; Sirius had to burn furniture and other items after running out of coal. Great Westerns more successful crossing began the regular sailing of powered vessels across the Atlantic. was the first coastal steamship to operate in the Pacific Northwest of North America. Paddle steamers helped open Japan to the Western World in the mid-19th century. The largest paddle-steamer ever built was Brunel's , but it also had screw propulsion and sail rigging. It was long and weighed 32,000 tons, its paddlewheels being in diameter. In oceangoing service, paddle steamers became much less useful after the invention of the screw propeller, but they remained in use in coastal service and as river tugboats, thanks to their shallow draught and good maneuverability. The last crossing of the Atlantic by paddle steamer began on September 18, 1969, the first leg of a journey to conclude six months and nine days later. The steam paddle tug was never intended for oceangoing service, but nevertheless was steamed from Newcastle to San Francisco. As the voyage was intended to be completed under power, the tug was rigged as steam propelled with a sail auxiliary. The transatlantic stage of the voyage was completed exactly 150 years after the voyage of Savannah. As of 2022, the PS Waverley is the last seagoing passenger-carrying paddle steamer in the world. Paddle-driven steam warships Paddle frigates Beginning in the 1820s, the British Royal Navy began building paddle-driven steam frigates and steam sloops. By 1850 these had become obsolete due to the development of the propeller – which was more efficient and less vulnerable