CAP 737 Chapter 16 focuses on the critical role of effective communication in flight deck operations, highlighting its link to workload distribution and error reduction. The chapter emphasizes that quality and timing surpass the quantity of communication, detailing how messages can fail at various stages. It explores the challenges posed by language differences and stresses the importance of clear, standardized phraseology. Furthermore, the text examines the significance of sharing information and mental models within the crew and with ATC, alongside the necessity of assertiveness and verbal intervention when safety is at stake, even addressing potential social dynamics. The chapter concludes by suggesting methods for improving communication skills through training and aligning these skills with relevant pilot competencies.