In 'Relics' the crew of the Enterprise-D rescue Scotty from the transporter buffer of the U.S.S. Jeonlan a Sydney-class transport that had crashed into the surface of a Dyson sphere. Themodel for the runabout-sized transport was adpated from the Executive Shuttle which had appeared in STAR TREK VI which was given warp nacelles to show it was capable of interstellar travel.