- 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
Part of the transporter system which regulates the actual transporter process. When Ambassador T'Pel was apparently killed in a transporter accident in 2367, one suspected cause of the mishap was an autosequence malfunction.