Ellington II

The Ellington II was a Type 11 Federation shuttlecraft which was attached to the USS Titan from the early-2380s. It was a replacement for the original shuttle Ellington. 

History
In the year 2381, the Ellington II, along with the Gillespie, Marsalis and Holiday, was refitted to aquashuttle configuration to explore the class O planet, Droplet.