NCC-1701/12
NCC-1701⁄12 was a Federation shuttlecraft that was in service with Starfleet in the mid-23rd century, attached to the . 

In 2269, when the Enterprise was studying a class M planet orbiting a binary sun, Harry Mudd stole Shuttlecraft 12 with Nurse Christine Chapel as a hostage. On the planet's surface, he intended to strand her forcing the Enterprises crew to rescue her while he escaped in the shuttle. His plan backfired when a native rock beast crushed the vehicle with one of its feet. ()

Background information 
NCC-1701⁄3 and NCC-1701⁄4 also seen in the Enterprises shuttlebay were of the same design as NCC-1701⁄12.

There was no name for this shuttle printed on the hull, and was only referred to as "shuttlecraft" in the episode dialogue.

The shuttle was labeled as N.C.C.⁄1701⁄12 or N.C.C.-1701⁄12 in some scenes.

The Copernicus seen in  was presumably the replacement shuttle for this shuttle, since both craft shared the same registry number.

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1701/12