This document provides an overview of crew resource management (CRM) training, including its history and evolution. It discusses how CRM training was developed in response to accident analyses that found ineffective communication, inadequate leadership, and poor group decision making were factors in 70% of accidents. The first CRM programs in the 1980s focused on skills like leadership and interpersonal skills, while later generations integrated CRM into technical training and addressed issues like automation and human factors. Current CRM training is meant to be integrated into regular procedures. The document also lists common CRM training topics like communication, leadership, teamwork, decision making, error management, and stress/fatigue.