Safety

Restricted in Ability to Manoeuvre

Also known as: RAM

Definition

A vessel whose work, such as dredging, cable laying or surveying, limits its ability to keep out of the way. Shows red, white, red lights or ball, diamond, ball.

See it in practice

Rule 18: Responsibilities between vessels
Rule 27: Vessels not under command or restricted in their ability to manoeuvre

More Safety terms

EPIRB Flare Grab Bag Lifejacket Man Overboard (MOB)Mayday PAN-PAN Securite VHF Radio Not Under Command Constrained by Draught

Where Restricted in Ability to Manoeuvre comes up in the course

Free theory lessons that use this term in context.

Competent CrewCOLREGS Introduction
Yachtmaster OffshoreCOLREGs for the Yachtmaster
Day SkipperCOLREGS Rules and Lights
Coastal SkipperCOLREGs, Traffic Separation and Restricted Visibility