Ship Routeing and Mandatory Reporting Systems

Ships routeing and mandatory reporting system

MGN 69 – 1 b) the requirements of ship routeing and mandatory reporting systems;

The requirement is to improve the safety of navigation by;

  1. Reducing the risk of collision in the area of heavy traffic.
  2. Reducing the risk of grounding (limited depth/sea room) and protection of the marine environment.
  3. Manage shipping in environmentally sensitivity sea area.

* It can be made mandatory for all ships, certain ship or ships carrying certain cargo.
* Mandatory routeing measures should always be used unless the ship has genuine safety reason for not following them.
* IMO is the only recognised body for adopting and developing the guideline
* IMO routeing scheme will be shown on the chart with all details in the notes section

Ships Routeing: Publications:

  1. IMO Ships Routeing Guide & Annual Summary of Notice to Mariners [No 17] list traffic schemes that have been adopted.
  2. 2014 – SOLAS Chapter V/10 (Page 289)
  3. Safety of Navigation Annex V “use of IMO Adopted Routeing Schemes”
  4. 2015 – BPS 2.4.11 (Page 37) (Not a publication but recommended book)

The Content of IMO Ships Routeing Guide:

  • Part A: General provisions
  • Part B: Traffic Separation Schemes (TSS) and ITZ
  • Part C: Deep Water Routes
  • Part D: Areas to be avoided (any danger within TSS)
  • Part E: Other routeing measures [Recommended directions of traffic flow within the precautionary area]
  • Part F: Associated Rules and Recommendation [Recommendation on Nav through the English Ch & Dover strait]
  • Part G: Mandatory Reporting System and mandatory no anchoring areas
    Sec I—SOLAS Ch V/11—e.g. CALDOVREP is the mandatory ship reporting system.
    Sec II—Mandatory routeing system and mandatory no anchoring areas.
  • Part H: Adoption designation and substitution of archipelagic sea lanes

Mandatory Ships Reporting Systems—SOLAS Chapter V/11, BPG 2.4.12 (P 38)”

  • It allows coastal states to monitor ships navigating through their water & are intended to contribute to the safety of life at sea, safety and efficiency of navigation & protection of the marine environment.
  • UK ships must comply with mandatory reporting schemes adopted by IMO which applies to them.
  • The vessel should report while entering the scheme and if required while leaving it. If unable to report reason must be entered in the ship’s log.
  • Details of Mandatory schemes can be found in ALRS and on chart Notes

Example of Mandatory Reporting System?
CALDOVREP—Calais Dover Reporting System.

Example of a Voluntary Reporting System?
AMVER – Automated Mutual Assistance Vessel Rescue System.


  1. Describes the content of IMO Ships Routeing Guide
  2. Describes the use of IMO Ships Routeing Guide
  3. Interprets IRPCS Rule 10
  4. Explains the use of Admiralty chart 5500
  5. Mariners Routeing Guide
  6. Explains the objectives of ship routeing schemes
  7. What’s in IMO guide to ship’s routeing?
  8. What’s the difference between routeing chart and guide?