Avsoft has just released an Extended Diversion Time Operations (EDTO) course for pilot general subject training. This online aviation course includes three modules, which cover the following topics: EDTO versus ETOPS, definitions, approval requirements, flight preparation, in-flight monitoring, and diversion situations, strategies, and fuel requirements.
This is a companion discussion topic for the original entry at https://www.avweb.com/press-releases/avsoft-releases-edto-course