Scouter-gig
The scouter-gig was a small motorboat that was carried aboard  Federation starships during the late-2260s. This craft was stowed aboard in case the starship ever needed to disembark crew to explore the surface of an oceanic terrain. 

In 2269, the scouter-gig NCC-1701/R6 was used to search for James T. Kirk and Spock, who had gone missing on the planet . ()

Boats of the class
 NCC-1701⁄R6

Vehicles