Rule 3 - General Definitions

  1. vessel
    The word “vessel” includes every description of water craft, including nondisplacement craft, WIG craft and seaplanes, used or capable of being used as a means of transportation on water.
  2. power-driven vessel
    The term “power-driven vessel” means any vessel propelled by machinery.
  3. sailing vessel
    The term “sailing vessel” means any vessel under sail provided that propelling machinery, if fitted, is not being used.
  4. vessel engaged in fishing
    The term “vessel engaged in fishing” means any vessel fishing with nets, lines, trawls or other fishing apparatus which restrict manoeuvrability, but does not include a vessel fishing with trolling lines or other fishing apparatus which do not restrict manoeuvrability.
  5. seaplane
    The word “seaplane” includes any aircraft designed to manoeuvre on  the water.
  6. vessel not under command
    The term “vessel not under command” means a vessel which through some exceptional circumstance is unable to manoeuvre as required by these Rules and is therefore unable to keep out of the way of another vessel
  7. vessel restricted in her ability to manoeuvre
    The term “vessel restricted in her ability to manoeuvre” means a vessel which from the nature of her work is restricted in her ability to manoeuvre as required by these Rules and is therefore unable to keep out of the way of another vessel.
  8. vessel constrained by her draught
    The term “vessel constrained by her draught” means a power-driven vessel which, because of her draught in relation to the available depth and width of navigable water, is severely restricted in her ability to deviate from the course she is following.
  9. underway
    The word “underway” means that a vessel is not at anchor, or made fast to the shore, or aground.
  10. length” and “breadth
    The words “length” and “breadth” of a vessel mean her length overall and greatest breadth.
  11. in sight
    Vessels shall be deemed to be in sight of one another only when one can be observed visually from the other.
  12. restricted visibility
    The term “restricted visibility” means any condition in which visibility is restricted by fog, mist, falling snow, heavy rainstorms, sandstorms or any other similar causes.
  13. Wing-In-Ground (WIG) craft
    The term “Wing-In-Ground (WIG) craft” means a multimodal craft which, in its main operational mode, flies in close proximity to the surface by utilizing surface-effect action
  14. The term “vessels restricted in their ability to manoeuvre” shall include but not be limited to:
    • (i)  vessel engaged in laying, servicing or picking up a navigation mark,   submarine cable or pipeline;
    • (ii)  a vessel engaged in dredging, surveying or underwater operations;
    • (iii) a vessel engaged in replenishment or transferring persons, provisions  or cargo while underway;
    • (iv) a vessel engaged in the launching or recovery of aircraft;
    • (v)  a vessel engaged in mineclearance operations;
    • (vi) a vessel engaged in a towing operation such as severely restricts the towing vessel and her tow in their ability to deviate from their course.
Author
J.T
ID
352290
Card Set
Rule 3 - General Definitions
Description
ROTR
Updated