- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
One of the three Klingon vessels that carried Captain Picard's request for Klingon assistance during the Galaxy-class starship Enterprise's investigation of a possible secret Romulan base at Nelvana III. The Bortas, along with help from two other Klingon ships, allowed the Enterprise to escape without instigating an interstellar war.