Baron of Renfrew (ship) was exempt from the high taxes on imported timber. She was built by Charles Wood, Anse du Fort, Quebec, Canada, on his own account. She followed the construction of a similar disposable ship, the barque "Columbus" built the year before. On August 23, 1825 under the command of captain Matthew Walker the ship left Quebec with a crew of 25 men and a cargo of 9000 tons timber (probably ship and cargo weight, both timber) bound for London, England. On October 21 of the same year the ship appeared in the English Channel but stranded the day after on the
Qiongsha-class cargo ship cargo ship is equipped with medical facility for preliminary treatment en route to mainland and thus providing better treatment. The number of passengers that can be carried is decreased accordingly. Cargo capacity of the military version is identical to that of civilian version: 200 tons of solid cargo, 150 tons of freshwater. Of the six ships of this class, all of them were built as cargo ship version to begin with, and it was only later some of them were converted to different versions. Experience of deployment of Qiongsha class cargo ship revealed that the medical service was not sufficient