| MC-06-12-2019 | Guidelines for the Issuance of Temporary Permit to Operate Ship Station of Newly Acquired Philippine Registered Ships Engaged in International Trade |
| MC-05-12-2019 | Amendments to Section II.A.3, Section II.A.4 and Section II.C of Memorandum Circular 4-2-92, “Amendments to 1974 Safety of Life at Sea Convention (MC 2-2-82) concerning Radio Communications for the Global Maritime Distress and Safety System |
| MC-04-12-2019 | Guidelines for the Issuance of Deletion Certificate for the Recall of Ship/Ship Earth Station Licenses and/or Certificates of Philippine Registered Ships |
| MC DRAFT | Guidelines for the Accreditation Recognized Organization (Classification Society) and the Issuance of Cargo Ship Safety Radio Certificate for Philippine Registered Ships Engaged in international Voyages |
| MO-03-09-2018 | Advisory Regarding the Migration of the Recognized Global Maritime Distress and Safety System (GMDSS) Services from Inmarsat-3 (I-3) to Inmarsat-4 (I-4) Satellites |
| MO-02-02-2017 | IMO MSC.1/Circ.1460/Rev.1 – Guidance on the Validity of Radiocommunications Equipment Installed and Used on Ships |
| STCW 2016-17 | Mandatory Minimum Requirements for Examination, Assessment, Issuance and Revalidation of GMDSS Radio Operator Certificate |
| MC 08-08-2016 | Adoption and Implementation of Annex 2, Appendix 17 (Rev. WRC-12) of Radio Regulations Concerning Frequencies and Channeling Arrangements in the High Frequency Bands for the Maritime Service |
| DRAFT MC | Amendment to MC No. 4-09-88, "Prescribed Equipment for Ship Stations of Various Vessels Plying Domestic Routes and other Requirements" and Prescribing the Required Radio Operators Thereof |
| MC 05-07-2016 | Suspension of the Implementation of Memorandum Circular No. 03-06-2016 |
| MC 03-06-2016 | Amendment to MC No. 4-09-88, "Prescribed Equipment for Ship Stations of Various Vessels Plying Domestic Routes and other Requirements" and Prescribing the Required Radio Operators Thereof |
| MC 01-02-2015 | Guidelines for the Acceptance of Application for Global Maritime Distress and SafetySystem (GMDSS) Radio Operator Examination |
| MC 09-09-2004 | Guidelines for the implementation of SOLAS Convention amendment requiring Automatic Identification System (AIS) and International Ship and Port Facility Security Code (ISPS) |
| MC 05-06-2004 | Guidelines for the Grant of Authorization of Accounting Authorities in the Maritime Mobile Service |
| MC 08-12-2009 | "Supplementing the NTC MC 10-09-2004, Prescribing Guidelines for the Special Registration of Unregistered Radio Transceiivers on Board Commercial Fishing Vessels Weighing 3.1 gross tons and above |
| MC 07-12-2009 | Amending MC 16-89A "Guidelines and Procedures for Issuance of Special Radiotelephone Operator's Permit for Fishing Vessels (SROP-FV) without the need of Examination, To Qualified Applicants" |
| MC 06-12-2009 | Guidelines in the Issuance of New/Revalidation of Certificate of Competency for General Operator Certificate |
| MC 02-04-2009 | Guidelines for the Recognition of GMDSS Radio Certificates issued by or under the Authority of Another Party in accordance with Regulation 1/10 of the STCW Convention |
| MC 01-01-2009 | Guidelines for the Licensing of Shipborne Long Range Identification and Tracking (LRIT) Equipment |
| MC 10-09-2004 | Prescribing Guidelines for the Special Registration of Unregistered Radio transceivers onboard commercial fishing vessels of 3.1 gross tonnage and above |
| MC 06-07-2004 | Installation and Operation of Public Coast Stations |
| MC 13-09-2002 | Amending MC 01-01-2002 on the Mandatory Installation of NAVTEX Receiver and Satellite EPIRB to certain categories of Philippine registered vessels engaged in the coastwise trade |
| MC 01-01-02 | Mandatory Installation of NAVTEX receiver and satellite EPIRB as additional Navigational Aids Equipment of Ship Radio Stations engaged in coastwise trade |
| MC 08-03-2000 | Form of Safety Radio Certificate for Cargo Ships |
| MC 07-03-2000 | Rules and Regulations Governing Shored-Based Maintenance |
| MC 05-03-2000 | Guidelines on Annual Testing of 406 MHz Satellite Emergency Positioning Indicating Radio Beacon (EPIRB) |
| MC 04-03-2000 | Guidelines on the Configuration of the Reserve Source or Sources of Energy used to supply Radio Installations on GMDSS Ships |
| MC 08-04-99 | GMDSS Equipment Maintenance Requirements |
| MC 06-04-99 | Qualifications and Number of Radio Personnel Required On-Board Philippines Registered GMDSS Vessels |
| MC-04-02-92 | Amendments to the 1974 Safety of life at sea convention (MC 02-02-82) concerning radiocommunications for the global maritime distress and safety system. |
| MC 16-89A | Guidelines and Procedures for issuance of Special Radiotelephone Operator's Permit for fishing vessels (SROP-FV),without examination to qualified Applicants |
| MC 11-24-88 | Amending MC 04-09-88, Series of 1988 |
| MC 04-09-88 | Prescribed Equipment for Ship Stations of Various Vessels Plying Domestic Routes and Other Requirements |
| MC 02-02-82 | Implementation of SOLAS 1974 |
| MC 01-01-82 | Final Extension of the Deadline Set Under MC 05-02-81 for all Fishing Boats to be provided with VHF Equipment |
| MC 05-02-81 | Re-extending the Deadline set under MC 08-10-81 For all vessels to be provided with VHF Equipment |
| MC 1 | Issuance Of Ship Radio Clearance By The Radio Control Office |
