An Al-Leyan transport was a type of transport utilized during the latter half of the 24th century.

In his search for the ancient humanoids' DNA puzzle, Richard Galen wanted to gain passage to Caere on an Al-Leyan transport from Deep Space 4. (TNG: "The Chase")

According to, 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.
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