Element 7R: Restricted GMDSS Radio Operating Practices

effective 8/01/2006

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7R-A-14: MMSI: Mid and Ship I.D. Numbers

7R-14C1: What is the MID?

Maritime Identification Digits

Mobile Identification Number

Marine Indemnity Directory

Mobile Interference Digits



7R-14C2: How many digits are in the MID (Maritime Identification Digits)?

3

7

9

10



7R-14C3: What does the MID (Maritime Identification Digits) signify?

Nationality

Port of registry

Gross tonnage

Passenger vessel



7R-14C4: Which of the following numbers indicates a U.S. flag ship station?

338426791

036627934

243537672

003382315



7R-14C5: Which of the following MMSI numbers indicates a U.S. flag ship station?

303236824

430326890

033609991

257326819



7R-14C6: Which of the following numbers indicates a ship station MMSI?

623944326

003372694

030356328

3384672





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Element 7R: Restricted GMDSS Radio Operating Practices
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7R-A-15: MMSI: Group and Coast Station I.D. Numbers