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GMDSS Maintainers License (DM)

Failure to prepare is preparing to fail.
-----John Wooden, Legendary
UCLA Basketball Coach

Only subscribers have access to these tests.

The GMDSS Maintainers License test consists of the exams for element 1, element 3, and element 9.  If you desire the Radar Endorsement for this license, you must complete the element 8 exam.

Element 1	Select Test Test 1 Test 2 Test 3 Test 4 Test 5 Test 6 Test 7 Select how you want the test COLEM rules Random Questions
Element 3	Select Test Test 1 Test 2 Test 3 Test 4 Test 5 Test 6 Test 7 Test 8 Test 9 Test 10 Test 11 Test 12 Test 13 Test 14 Test 15 Select how you want the test COLEM rules Random Questions
	Element 3 random tests by subject
	3A Operating procedure             Select Test Test 1
	3B Radio wave propagation         Select Test Test 1
	3C Radio practice                      Select Test Test 1 Test 2
	3D Electrical principles              Select Test Test 1 Test 2 Test 3 Test 4
	3E Circuit components              Select Test Test 1 Test 2 Test 3
	3F Practical circuits                  Select Test Test 1 Test 2 Test 3
	3G Signals and emissions         Select Test Test 1 Test 2 Test 3
	3H Antennas and feed lines       Select Test Test 1 Test 2 Test 3
Element 9	Select Test Test 1 Test 2 Test 3 Test 4 Test 5 Test 6 Select how you want the test COLEM rules Random Questions
	Element  9 random tests by subject
	C1 Radio system theory   Select Test Test 1
	C2 Amplifiers, power sources, & troubleshooting  Select Test Test 1
	C3 Digital theory  Select Test Test 1
	C4 GMDSS equipment  & regulations   Select Test Test 1
Element 8	Select Test Test 1 Test 2 Test 3 Test 4 Test 5 Test 6 Test 7 Select how you want the test COLEM rules Random Questions

Each Element 1 test consists of 24 questions from a pool of 170 questions.  To pass you must successfully answer 18 of those questions from this testing element.

Each Element 3 tests consists of 76 questions from a pool of 916 questions.  To pass, an examinee must correctly answer at least 57 out of 76 questions.

Each element 9 test consists of 50 questions from a pool of 300 questions.  To pass an examinee must correctly answer at least 38 of 50 questions.

Each Element 8 test contains 50 questions from a pool of 321 questions.  To pass, an examinee must correctly answer at least 38 of 50 questions.

Description

The DM qualifies personnel as GMDSS radio maintainers to perform at sea repair and maintenance of GMDSS equipment. It also confers the operating authority of the PG and MP.

NOTE: In instances where an applicant qualifies for a DO and a DM, a GMDSS Radio Operator/Maintainer License (DB) will be issued. 

Qualifications

To qualify, you must:

• be a legal resident of (or otherwise eligible for employment in) the United States; and
• be able to receive and transmit spoken messages in English; and
• pass a written and/or telegraphy examination(s) as described below under Examinations.

Term of License

A GMDSS Radio Maintainer's License is issued for the holder's lifetime. (Prior to March 25, 2008, the license term for a GMDSS Radio Maintainer's License was five years. Any holder of a GMDSS Radio Maintainer's License that expired prior to March 25, 2008, must still file an application to renew the license within the five-year grace period after expiration.)

Written Examination Elements

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 3 - General Radiotelephone. Electronic fundamentals and techniques required to adjust, repair, and maintain radio transmitters and receivers. The exam consists of questions from the following categories:

• operating procedures
• radio wave propagation
• radio practice
• electrical principles
• circuit components
• practical circuits
• signals and emissions
• and antennas and feed lines

To pass, an examinee must correctly answer at least 57 out of 76 questions.

Element 9 - GMDSS Radio Maintenance Practices and Procedures. Requirements set forth in IMO assembly on Training for Radio Personnel (GMDSS), Annex 5 and IMO Assembly on Radio Maintenance Guidelines for the Global Maritime Distress and Safety System related to Sea Areas A3 and A4. The exam consists of questions from the following categories:

• radio system theory
• amplifiers
• power sources
• troubleshooting
• digital theory
• and GMDSS equipment and regulations.

To pass, an examinee must correctly answer at least 38 out of 50 questions.

Ship Radar Endorsement

Description

Only persons whose commercial radio operator license bears this endorsement may repair, maintain, or internally adjust ship radar equipment.

Qualifications

To qualify, you must:

• hold (or qualify for) a PG, DM, T1, or T2; and
• pass a written examination as described below.

Examinations

Element 8- Ship Radar Techniques. Specialized theory and practice applicable to the proper installation, servicing, and maintenance of ship radar equipment in general use for marine navigation purposes. To pass, an examinee must correctly answer at least 38 out of 50 questions.