Class notation is a symbol or description assigned by a classification society to indicate that a ship complies with specific rules regarding design, construction, machinery, and special features . It is mentioned in the ship’s Certificate of Classification . Classification societies: Lloyd's Register DNV American Bureau of Shipping Bureau Veritas Indian Register of Shipping Types of Class Notations 1️⃣ Main Class Notation Indicates that: Hull is constructed as per class rules Machinery complies with class standards Surveyed and maintained properly Example: ✦ +1A1 (Hull) ✦ MC (Machinery Class) (Notation symbols vary between societies.) 2️⃣ Additional Class Notations Given for special ship features or enhanced standards. 🔸 Structural Notations Ice Class (Ice strengthened hull) CSR (Common Structural Rules) 🔸 Machinery Notations AUT / AUT-UMS (Unattended Machinery Space) E0 (DNV notation for unmanned engine room) 🔸 E...
MEOclassIIexamnotes
Marine Engineering exam notes for Seafarers