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A.He/she must have an STCW certificate endorsed as“Valid for Service on Vessels Operating in the GMDSS System”
B.He/she must present either an FCC-issued license or a Coast Guard-issued license
C.You must consult the“List of Qualifications”on the reverse of his/her FCC-issued license
D.His/her Merchant Mariners Document must have an added endorsement as “Radio Electronics Officer”

A.Key letters or abbreviations may not be used in GMDSS radio logbooks under any circumstance
B.Urgent communications do not need to be entered in the GMDSS radio log
C.Both of the above
D.None of the above