- 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
Type of impulse engines used on Constellation-class starships, obsolete by 2365. The U.S.S. Hathaway, equipped with this engine, was used in a Starfleet battle exercise with the U.S.S. Enterprise NCC-1701-D in 2365.