What is skyhook on a boat. The driver presses the Skyhook® button on the joystick controller’s base, and the system uses the boat’s GPS to act like a virtual anchor to help maintain its position without dropping a real anchor. The integration offers you unique optional functions, increased control, easier and better manoeuvring and better onboard comfort. It’s perfect for holding over a hot fishing spot or waiting for the locks or drawbridge to open. The capabilities include Joystick Driving, Dynamic Positioning System and a state-of-the art Interceptor Trim System. Using a boat’s GPS system, Skyhook pinpoints its position and moves the drives independently to maintain the correct heading. Jul 6, 2015 · Mercury Skyhook digital anchor allows you to lock your boat’s position using a GPS satellite antenna. A Joystick Piloting feature called Skyhook® makes this easy to do. Jan 6, 2016 · Using a boat’s GPS system, Skyhook pinpoints its position and moves the drives independently to maintain the correct heading. Then, working with your engines and drives, Skyhook maintains your position and heading regardless of wind or current. .