SS Seattle
The SS Seattle was a Terran NAR18834-type starship that was in service in the early 22nd century. 

In 2120,  was the commanding officer of this ship. In that year, this ship was launched from Earth for a diplomatic mission to SR-47. (, okudagram)

Background information 

The name of this ship was mentioned in a list of ships that were launched from Earth, with destinations in or near to the Ficus sector, between the years 2123 and 2190. This list was displayed on Jean-Luc Picard's desk monitor in his ready room aboard the . A legible version of the okudagram first appeared in the reference book, Star Trek: The Next Generation - The Continuing Mission. The list became legible to viewers with the remastered episode.

Retroactive continuity: for the original okudagram, the mission of the Seattle was .

This ship was likely named after the city of Seattle, Washington.

de:SS Seattle
Seattle
Retconned material in background