COLREGS and Navigation lights

Navsregs>COLREGS>COLREGS and Navigation lights

It is time for a change of tack across on the Navregs blog, to leave the SOLAS V  posts to one side for a bit and delve down into a subject area not covered for a while, the COLREGS. This time it is lights.

The posts will start at the generic level, and then descend into more and more detail, and see where it finally reaches the bottom of the regulatory pile.

Power Driven Vessel Lights

Which Rules cover navigation lights?

Here is a list the COLREG rules defining the lights vessels must show. Part C of the Rules is the section covering navigation lights. As the posts build in this series, so this list will have links added to form a useful index.

  • Rule 20 Application
  • Rule 22 Visibility of lights
  • Rule 23 Power driven vessels underway
  • Rule 24 Towing and Pushing
  • Rule 25 Sailing Vessels Underway and vessels Under oars
  • Rule 26 Fishing Vessels
  • Regulation 27 Vessels Not Under Command or Restricted in Their Ability To Manoeuvre
  • Rule 28 Vessels constrained by their draft
  • Rule 29 Pilot Vessels
  • Rule 30 Anchored Vessels and Vessels aroun
  • Rule 31 Seaplanes

The Annexes

Much of the technical specifications of navigation lights is contained within ANNEX I.

  • ANNEX I-Positioning and technical details of lights and shapes
  • ANNEX II-Additional Signals for fishing vessels fishing in close proximity

What is contained within the Navigation light Rules?A Masthead Light

And here is a list of the contents of those Rules, and some additional rules from the rest of the COLREGS with navlight related topics.

Rule 1 Application

  • (C) Additional lights and shapes
  • (E) Vessels of special constuction or purpose

Part C lights and shapes

Rule 20 Application

  •  (a) Requirement to comply with  in all weathers.
  •  (b) Requirement to comply with at night.
  • (c) When to require with  part during the day
  •  (e) The lights  shall comply with the provisions of Annex I

Rule  21 DefinitionsPort Sidelight

  • (a) Masthead light
  • (b) Sidelights
  • (c) Sternlight
  • (d) Towing  light
  • (e) All -Round light
  • (f) Flashing light

Rule 22 Visibility of lights

  • (a) Vessels of 50 metres or more in length
  • (b) Vessels  of 12 metres or more in length but less than 50 metres in length
  • (c) Vessels of less than 12 metres in length
  • (d) Lights on inconspicuous towed vessels or objects

Rule 23 Power driven vessels underway

  • (a) What a power driven Vessel Underway must exhibit
  • (b) What an air cushion vessel should exhibit
  • (c) What a power driven vessel of less than 12 metres in length should exhibit

Rule 24 Towing and Pushing

  • (a) What a power driven vessel when towing must exhibitAll-round lights
  • (b) What a vessel pushing ahead as a composite unit shall exhibit
  • (c) What a vessel pushing ahead of towing alongside shall exhibit
  • (d) Requirement to comply with Rule 23(a}(ii) in addition
  • (e) What a vessel or object being towed should exhibit
  • (f) What a group of vessels being towed should exhibit
  • (g) What inconspicuous or partly submerged objects or vessels should exhibit.
  • (h) When a towed vessel cannot exhibit these lights
  • (i) What can be displayed by vessels towing a vessel in distress or need of assistance

Rule 25 Sailing Vessels Underway and vessels Under oars

  • (a) What a sailing vessel underway should exhibit
  • (b) What a sailing vessel of less than 20 metres in length
  • (c) Additional lights that may be shown by sailing vessels
  • (d) What sailing vessels of less than 7 metres in length and vessels under oars shall show

Rule 26 Fishing Vessels

  • (a) Requirement that a vessel engaged in fishing should comply with only this RuleFishing Vessel lights
  • (b) What a vessel engaged in trawling shall exhibit
  • (c) What a vessel engaged in fishing other then trawling shall exhibit
  • (d) When the additional signals in Annex II can be used
  • (e) What a vessel not engaged in fishing shall exhibit

Regulation 27 Vessels Not Under Command or Restricted in Their Ability To Manoeuvre

  • (a) What a vessel not under command shal exhibit
  • (b) What a vessel restricted in her ability to manoeuvre shall exhibit
  • (c) What a towing vessel when restricted in her ability to manoeuvre should exhibit
  • (d) What a vessel engaged in dredging or underwater operations shall exhibit
  • (e) What a small vessel engaged in diving may exhibit
  • (f) What a vessel engaged in mine clearance shall exhibit
  • (g) The requirements for vessels less than 12 metres in length
  • (h) These lights do not mean distress

Rule 28 Vessels constrained by their draft

Rule 29 Pilot Vessels

  • (a) What a pilot vessel engaged in pilot duty shall exhibit
  • (b) What a pilot vessel not engaged in pilot duty shall exhibit

Rule 30 Anchored Vessels and Vessels around

  • (a) What a vessel at anchor shall exhibit
  • (b) What a vessel of less than 50 metres in length may exhibit when at anchor
  • (c) What a vessel of over a 100 metres in length shall exhibit in addition

Rule 31 Seaplanes

What lights a seaplane shall exhibit

Rule 36 Signals to attract Attention

Rule 38 Exemptions

The following expemtions are still in force:

  • The repositioning of lights as a result of conversion from Imperial to metric units and rounding off measurement figures
  • The repositioning of masthead lights on vessels of less than 150 meters in length, resulting from theprescriptions of Section 3(a) of Annex I
  •  The repositioning of all-round lights resulting from the prescription of Section 9(b) of Annex I

The Annexes

Navigation lights from the bulk of the  Annexes of the COLREGS. ANNEX I contains all the detail of what, where, and how the lights should be fitted.

ANNEX I

POSITIONING AND TECHNICAL DETAILS OF LIGHTS AND SHAPES

  • 1. Definition
  • 2. Vertical positioning and spacing of lights
  • 3. Horizontal positioning and spacing of lights
  • 4. Details of location of direction-indicating lights for fishing vessels, dredgers
  • and vessels engaged in underwater operations
  • 5. Screens for sidelights
  • 7. Colour specification of lights
  • 8. Intensity of lights
  • 9. Horizontal sectors
  • 10. Vertical sectors
  • 11. Intensity of non-electric lights
  • 12. Manoeuvring light
  • 13. High Speed Craft
  • 14. Approval

ANNEX II

Additional Signals for fishing vessels fishing in close proximity

  • 1. General
  • 2. Signals for trawlers
  • 3. Signals for purse seiners

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