MOTC Manual - edited

1 All around light - A light showing an unbroken light over an arc of the horizon of
360 degrees
2 Cowl - Topside duct of the vessels ventilation system
3 Cleat - A stationary device used to secure a line aboard a vessel.
4 Chock - Hole or ring attached to the hull to guide a line via that point
5 Combination light - Red/green light on bow of vessel
6 Bow - The front of a vessel
7 Bow eye – “U”-bolt mounted through the hull for maximum strength
8 Overall length - Refers to the length of a vessel, not including motor or
attachments
9 Keel - The central structural basis of the hull
10 Chine - An angle in the hull
11 Waterline – The water level around a vessel's hull when afloat
12 Gunwale - Upper edge of the hull perpendicular to the sides of the vessel
13 Draft - The depth of a ship's keel below the waterline
14 Transom - The flat surface across the stern of a vessel
15 Stern - The rear part of a vessel
16 Freeboard - From waterline to gunwale
DOI – Motorboat Operator Certification Course Chapter 1 - 2