From him, from al-Abbas from Abdullah ibn al-Mughira from Ya‘qub ibn Shu‘ayb from Abu Abdillah عليه السلام, peace be upon him, who said:
Imam al-Sadiq عليه السلام said: “There is no harm in praying in congregation on a ship.”
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 3, p. 328
