Cobra knowledge on Instagram: "Marshals, or "wing walkers," are indispensable on airport aprons, guiding massive aircraft to their precise parking spots with incredible accuracy and safety. They act as the pilot's eyes and ears on the ground, ensuring perfect alignment. Here's how they do it: Visual Communication: Marshals use a standardized set of hand signals, recognized globally, to communicate with the pilot. These signals are large, clear, and unambiguous, directing the pilot to turn, stop,