The term "vessel not under command" means a vessel which through some exceptional circumstance is unable to maneuver as required by the Collision Regulations and is therefore unable to keep out of the way of another vessel. Is does not (as often thought) mean (although it can) that there is no one in charge on the bridge.
Under Part A of the International Regulations for Preventing Collisions at Sea (COLREGS), 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.
No, a vessel anchored cannot be a "vessel not under command".. International / Inland Navigational Rules of the Road General definitions Rule-3 For the purpose of these rules, except where the context otherwise requires: (f) The term "vessel not under command" means a vessel through some exceptional circumstance is unable to maneuver as required by these rules and is therefore unable to keep out of the way of another vessel. This may apply to a vessel underway, NOT making way. Please refer to the link below.
1) When she is the overtaking vessel 2) When the other vessel is a Fishing Vessel or Restricted in her Ability to Manoeuvre (RAM) or Not Under Command (NUC). 3) A Sailing Vessel should not impede a Vessel Constrained by Draught (CBD). A vessel under 20 meters may not impede any vessel which only navigate within a narrow channel or fairway. Please see the link provided below.
1) When she is the overtaking vessel 2) When the other vessel is a Fishing Vessel or Restricted in her Ability to Manoeuvre (RAM) or Not Under Command (NUC). 3) A Sailing Vessel should not impede a Vessel Constrained by Draught (CBD). A vessel under 20 meters may not impede any vessel which only navigate within a narrow channel or fairway. Please see the link provided below.
1) When she is the overtaking vessel 2) When the other vessel is a Fishing Vessel or Restricted in her Ability to Manoeuvre (RAM) or Not Under Command (NUC). 3) A Sailing Vessel should not impede a Vessel Constrained by Draught (CBD). A vessel under 20 meters may not impede any vessel which only navigate within a narrow channel or fairway. Please see the link provided below.
1) When she is the overtaking vessel 2) When the other vessel is a Fishing Vessel or Restricted in her Ability to Manoeuvre (RAM) or Not Under Command (NUC). 3) A Sailing Vessel should not impede a Vessel Constrained by Draught (CBD). A vessel under 20 meters may not impede any vessel which only navigate within a narrow channel or fairway. Please see the link provided below.
One prolonged and two short blasts is 'D' in Morse signals. It is a signal to be used in restricted visibility by a vessel not under command[NUC], a vessel restricted in her ability to manoeuvre[RAM], a vessel constrained by her draught, a sailing vessel, a vessel engaged in fishing and a vessel engaged in towing or pushing another vessel.
Rules of the RoadRule 35Sound Signals in Restricted Visibility(C) A vessel not under command, a vessel restricted in her ability to maneuver, a vessel constrained by her draft, a sailing vessel, a vessel engaged in fishing, and a vessel engaged in towing or pushing another vessel shall..........sound at intervals of not more than two minutes, three blast in succession, namely one prolonged followed by two short blasts.
In most military branches, a command is simply a unit which you are in charge of. For a ship's captain, his vessel would be his command.
A submarine is a vessel that can travel both on the surface and under the water.
It has several meanings depending on circumstances.A vessel not under command or restricted in its ability to manoeuvre, or constrained by her draught, or engaged in fishing, or towing or pushing, or a sailing vessel.
When the motorized vessel is a commercial vessel or when the motorized vessel has another vessel or person in tow.