PHAK-CH3: From Analog to Glass

In this episode, we explore the modernization of aviation instrumentation and the transition from traditional mechanical gauges to sophisticated electronic flight display systems. We examine how Primary Flight Displays (PFDs) and Multi-Function Displays (MFDs) have transformed the cockpit while improving reliability, organization, and situational awareness.We break down the three fundamental categories of aircraft instrumentation—performance, control, and navigation—and examine the role each plays in helping pilots understand and manage the aircraft. The episode also explores the evolution of satellite-based navigation, including GPS, and how modern avionics provide accurate position and navigation information using signals from multiple satellites.Finally, we look at the importance of understanding automation and integrating advanced avionics knowledge with sound aeronautical decision-making. As cockpits become increasingly capable, effective pilots must understand not only what their instruments display, but also how the technology works, its limitations, and how to use it safely.