Simulators and Software
National Simulator Program (NSP)
AC 61-136B - FAA Approval of Aviation Training Devices and Their Use for Training and Experience
14 CFR Part 60—FLIGHT SIMULATION TRAINING DEVICE INITIAL AND CONTINUING QUALIFICATION AND USE
an instructor must be present and make an entry in the client’s logbook in order for the time to count toward a certificate
(an instructor is not required for instrument currency related flights in an approved device)
https://www.faa.gov/about/initiatives/nsp