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What are Creditable Sea Days for my CG-719S Small Vessel Sea Service Form?

A sea day is every day you are away from the pier for over 4 hours in a 24 hr period.



For vessels under 100 GRT you must be underway for at least 4 hrs in a day for it to count as a “day”. This does not have to be continuous, it just has to be in a 24 hr period. As a example, you can be running four, 1 hr harbor tours in a day and that would count as one sea day even through you approached and left the dock 4 times.

You are going to want to keep track of your own sea days on your phone, a notebook or even a calendar. When you are ready to obtain, upgrade or renew your captain's license you need to submit a CG-719S (Small Vessel Sea Service Form) with your sea time. Each CG-719S (Small Vessel Sea Service Form) can accept 5 years worth of sea service.


Use the CG-719S for Vessels Less than 200 GRT


For vessels less than 200 GRT you will use the CG-719S (Small Vessel Sea Service Form) which the captain, owner or vessel manager can issue for you. If you own your boat you can complete the form for yourself you can use MM-SEAS Create CG719S tool to create perfect CG719S forms to make sure your math is perfect and you have all the right information in the correct spots.


If you own the vessel you are gathering sea service on with your CG-719S


If you are the owner of a vessel on which you are claiming service, you must also submit proof of ownership for that vessel. Acceptable proof of ownership may include one of the following:

  • Title

  • Registration (state registered vessels)

  • Certificate of Documentation (U.S. Coast Guard registered vessels)

  • Proof of insurance (which clearly identifies the vessel)

  • Bill(s) of sale.



We hope this made your life a little easier and if you have other questions the MM-SEAS team is always here to help!


We do prefer to answer questions live with screen sharing to make both of our lives easier.


We hold free live virtual office hours Monday and Wednesday from 5:00 - 5:30 pm PT inside of mmseas.com under License Guidance and then Daily Office Hours.


Pro MM-SEAS members get access to our daily live office hours Monday thru Friday from 5:00 - 5:30 pm PT. You also get access to unlimited live 1 on 1 calls with one of our USCG Licensing Specialists. Pro MM-SEAS members can access these features inside of mmseas.com under License Guidance.

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