FCC GMDSS – Radio Operators License (DO) – Elements 1 and 7 Online Exam

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This product includes access to one (1) FCC Element 1 and (1) FCC Element 7 online exam with a maximum testing time of two hours for each FCC Element.


The GMDSS Radio Operator’s License (DO) qualifies the holder to operate and make basic equipment adjustments to Global Maritime Distress and Safety System (GMDSS) radio installations. It also confers the operating authority of the MP. A DO is issued for the holder’s lifetime.

Once you pass the required Element exam(s) for the FCC license that you are pursuing, Mariners Learning System will electronically file your license application with the FCC on your behalf. To do so we require that you provide us via email:

GMDSS Radio Operator’s – DO (Elements 1, 7) Practice Test Book

GMDSS Radio Operator’s – DO (Elements 1, 7) Practice Test Book

With your purchase, you get access to (1) FCC Element 1 and (1) Element 7 online exam for the FCC General Radiotelephone Operator License (DO).

If you do not pass any mandatory FCC licensing exam, you will be required to re-purchase access to retest that FCC Element exam(s).

Note: You receive credit for each FCC exam Element passed. For example - If you pass Element 1, but not Element 7, you need to retest only for Element 7.

You can also purchase the GMDSS Radio Operator’s – DO (Elements 1, 7) Practice Test Book for an additional fee.

License Requirements

To qualify for an FCC GMDSS DO license, you must:

  • Be a legal resident of (or otherwise eligible for employment in) the United States

  • Be able to receive and transmit spoken messages in English

  • Pass a written exam as described under the Test Info tab

Mariners who need an STCW GMDSS Training Certificate: If you are a mariner (deck officer) serving on a vessel equipped with the GMDSS system, you may be required to obtain a course certificate from a 70 hour USCG approved training course in GMDSS. The FCC examination and associated paperwork will be conducted during the course and a separate exam is not necessary. An FCC license without the course will NOT satisfy STCW requirements.

Test Info

To obtain an FCC GMDSS Radio Operator’s License (DO), applicants must pass written Elements as illustrated:

test info table

Written Examination Elements For The GMDSS Radio Operator’s License (DO)

Element 1

Basic radio law and operating practice with which every maritime radio operator should be familiar. To pass, an examinee must correctly answer at least 18 out of 24 questions.

Element 7

GMDSS Radio Operating Practices. GMDSS radio operating procedures and practices sufficient to show detailed practical knowledge of the operation of all GMDSS sub-systems and equipment. The exam consists of questions from the following categories: general information, narrow band direct printing, INMARSAT, NAVTEX, digital selective calling, and survival craft. To pass, an examinee must correctly answer at least 75 out of 100 questions.

Online Testing System Requirements

  • You must take the exam on a desktop computer or laptop (not a tablet ex: Chromebook)

  • You must have a working built-in or external webcam and microphone

  • Your Internet speed must be at least 2 Mbps download and 2 Mbps upload. Determine your Internet speed by running a test at: http://www.speedtest.net

Room/Space preparations:

  • The lighting in the room must be bright enough so that your face and eyes can be seen throughout the duration of the exam

  • Your desk/workspace must be completely cleared of all papers, books, and reference materials. In addition, please clear the entire room (including walls and bookshelves) of any materials that could be considered reference materials. Any suspect items seen during the initial room scan by your proctor will be flagged.

Ensure you adhere to the rules during your exam.

  • You MUST provide your valid government issued photo ID when requested

  • You MUST remain directly in front of your webcam for the duration of the exam

  • You MUST NOT have anyone else in the room with you for the duration of your exam

  • You MUST NOT interact or communicate with anyone by any means while testing

  • You MUST NOT use any other electronic devices (phone, ipod, headphones, MP3 player, another computer, etc.) while taking the exam

  • Reference materials (papers, pens, books, study guides, e-mails, website, etc.) MUST NOT be used while testing

  • You MUST NOT use any mobile device or have any mobile device within your eyesight during the exam

  • You MUST NOT access other websites or applications on the computer while testing

  • You MUST NOT intentionally disable internet connection while testing

*Violation of any these rules will be flagged during your exam by the web proctor, and your exam WILL be marked as a FAIL, you will not be eligible for a refund and WILL be banned from re-taking the exam with Mariners Learning System.

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