Category Archives: GMDSS

SOLAS Form R-A handy guide to its contents

Navsregs>Ship Certification>Form R

Listing the radio equipment

Attached to each Safety Radio Certificate for cargo ships should be a Form R, a form that lists the radio communications equipment held on board. This post is a quick guide to the contents of that form, contents that give an indication of the range of equipment covered by a cargo ship’s radio safety survey. 

Particulars of ship  

  • Name
  • Distinctive number or letters
  • Minimum number of persons with required qualifications to operate the radio installations

Details of radio facilities

Primary systems 

  •  VHF radio installation
  • DSC encoder
  •  DSC watch receiver
  •   Radiotelephony
  • MF radio installation
  • DSC encoder
  • DSC watch receiver
  • Radiotelephony
  • MF/HF radio installation
  •  DSC encoder
  •  DSC watch receiver
  •  Radiotelephony
  •  Direct-printing telegraphy
  • Inmarsat ship earth station

Facilities for reception of maritime safety information 

  • EGC receiver
  • NAVTEX receiver
  • HF direct-printing radiotelegraph receiver

Secondary means of alerting

  • Satellite EPIRB
  •  Ship’s search and rescue locating device
  •  Radar search and rescue transponder (SART)
  • AIS search and rescue transmitter (AIS-SART)

Methods used to  ensure  availability of  radio  facilities  (regulations  IV/15.6 and  15.7) 

  • Duplication  of  equipment
  • Shore-based  maintenance
  • At-sea maintenance capability

Tagged , ,

Safety Radio Certificate for Cargo Ships- a handy guide

Navsregs>Ship Certification>Cargo Ship Radio Certificate

Raising the alarm

The last of the trio of SOLAS cargo ship safety certificates is the subject of this post,  the Safety Radio Certificate.

Why is it required?

It is required by SOLAS Chapter 1  regulation 9 – Surveys of Radio Installations of Cargo Ships.

The details of requirements for equipment is contained in SOLAS Chapter IV – Radiocommunications.

Which ships require it?

Cargo ships of 300 gross and above.

What information does it contain?

  • Name of ship
  • Distinctive number or letters
  • Port of registry
  • Gross tonnage
  • Sea areas in which ship is certified to operate (regulation IV/2)
  • IMO Number
  • Date on which keel was laid or ship was at a similar stage of construction or, where applicable, date on which work for a conversion or an alteration or modification of a major character was commenced
  • Completion date of the survey on which this certificate is based

What does it certify?

  • That the ship has been surveyed in accordance with the requirements of regulation I/9 of the Convention.
  • That the survey showed that:
    • The ship complied with the requirements of the Convention as regards radio installations
    • The functioning of the radio installations used in life-saving appliances complied with the requirements of the Convention.
  • That an Exemption Certificate has/has not been issued.

What form should be attached?

A Record of Equipment for the Cargo Ship Safety Radio Certificate (Form R)

What Surveys are required?

  • An initial survey before the ship is put in service;
  • A renewal survey at intervals specified by the Administration but not exceeding five years
  • A periodical survey within three months before or after each anniversary date of the Cargo Ship Safety Radio Certificate

Some useful links

UK MGN 392 Radio survey service authorisation

ITU itu

IMO SOLAS webpage  IMO

INMARSAT  GMDSS web pageinmarsat

For information about the Really Handy Book range of revision aids, click here>

Tagged , , , ,