An Azimuth Stern Drive (ASD) tug boat is a high-performance vessels that is responsive, quick to maneuver, and extremely powerful. This workbook is designed to facilitate learning, through both intellectual and hands-on presentations. It teaches a clear understanding of ASD tug maneuvering principles and assists the reader in acquiring the intuitive feel for operating the tug. Text and illustrations provide exercises recommended to buid the hands-on knowledge. The book covers the basic elements of maneuvering an ASD tug, through steering, managing speed, turning, stopping, hovering, and lateral movement. Each chapter provides questions to test and strengthen tje skills.