Rule 3 - General Definition COLREGS

Rule (a) What is considered a vessel?

Anything that can be used as transport on water

Rule (b) Define power driven vessel

Any vessel that is propelled by machinery

Rule ( c ) Define sailing vessel

A vessel under sail, engine not being used

Rule (d) Term ‘engaged in fishing’

Vessel fishing with nets, lines or trawls that restrict manoeuvrability

Rule (e) The Term; Seaplane

Any aircraft designed to operate/manoeuvre on water

Rule (f) Vessel “Not Under Command”

A vessel unable to manoeuvre because of an exceptional problem

Rule (g) Vessel “Restricted in ability to manoeuvre”

Vessel that cannot move due to her work, such as;

Laying cables

Dredging

Surveying

Underwater operations

Rule (h) Vessel “Constrained By Draught”

A power driven vessel that is severely restricted in changing course because of her draught compared with the available depth and width of navigable water.

Rule (i) The term “Underway”

Vessel is not at anchor, made fast to the shore, or aground

Rule (j) Length and Breadth

Length = Length overall

Breadth = Greatest breadth

Rule (k) “In sight of one another”

Vessels are in sight only when they can be seen visually from one another