|Able Seaman (AB) and Ordinary Seaman (OS) Information
rating is required to work on all ocean going commercial vessels of
greater than 100 gross tons.
departments. This is an entry level rating that does not require any sea
service experience or training courses.
that requires qualifying sea service experience and training. The AB
rating that you receive will be based on your qualifying sea service
experience. All AB ratings require the mariner to complete an approved
Lifeboatman (Proficiency in Survival Craft) Course.
(Able Seaman) or to the engine room as QMED (Qualified Member of
the Engine Department). Advancement requires both sea service and
either an approved course or completion of exams at a Coast Guard
Regional Exam Center (REC).
accomplished with qualifying sea service experience alone.
Able Seafarer Deck
STCW endorsement equivalent to the MMC Rating Endorsement of Able
Seaman. This endorsement is called Able Seafarer Deck. US mariners
holding a the rating endorsement AB should check to see if they also
qualify for this new STCW endorsement.
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>> Able Seaman and Ordinary Seaman
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Dennis A Degner @ 2015