The Einstein was a Federation Type 7 shuttlecraft that was in service with Starfleet in the mid-24th century, attached to the USS Enterprise-D in the 2360s. It was shuttlecraft number 02.
In 2365, Wesley Crusher and Jean-Luc Picard traveled to Starbase 515 from the Enterprise-D, with the Einstein. The trip lasted six hours as they were not using warp drive. It reminded Picard of the late-22nd century interplanetary journeys he had read of in history books. (TNG: "Samaritan Snare")
Early in the next year the Einstein was listed on the shuttlebay operations display as being available for use in Hangar 3. (TNG: "Evolution")
Stock footage of the shuttle Sakharov was used to represent the
Einstein's journey to Starbase 515 in "Samaritan Snare"