D'Vahl class

The D'Vahl class starships were a type of Vulcan vessel that was being used during the late-1950's.

The ships were somewhat larger then a shuttlecraft and were warp capable allowing them to continue extended operations far away from the 'mothership'. They possessed four warp nacelles and had a search light present on them for rescue operations. (ENT episode: Carbon Creek)

Fighter Variant
A similar looking three nacelled version of these craft were seen over 200 years later in 2154 where they were used as fighter craft in the defence of Vulcan (planet). (ENT episode: Awakening)