An Al-Leyan transport was a type of transport utilized during the latter half of the 24th century. In his search for the ancient humanoid DNA-puzzle, Richard Galen wanted to gain passage to Caere on an Al-Leyan transport from Deep Space 4. (TNG: "The Chase" ) According to StarTrek.com, Al-Leyan was the name for a species. According to the Star Trek Encyclopedia (4th ed., vol. 1, p. 15) , this transport was of Al-Leyan registry. nl:Al-Leyan transport