This app requires a user account given to end-users currently affiliated with an Aerosim ETHOS contract training partner. Please contact your airline training department or flight school for confirmation and download instructions. ETHOS is an advanced training platform harnessing technology to target systems knowledge, FMS, and procedure training that better prepares pilots for greater knowledge retention and performance during on-site training. This program provides trainees with valuable interactive training in a distance learning environment with the Aerosim Learning Management System (LMS).