# 500t master to 1600t master

**URL:** <https://forum.gcaptain.com/t/500t-master-to-1600t-master/47993>\
**Category:** Maritime Training & Licensing\
**Created:** [May 3, 2018, 7:19pm UTC](https://forum.gcaptain.com/t/500t-master-to-1600t-master/47993 "2018-05-03T19:19:30Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![waterman74](https://avatars.discourse-cdn.com/v4/letter/w/c68b51/32.png) [@waterman74](https://forum.gcaptain.com/u/waterman74)\
**Post date:** [May 3, 2018, 7:19pm UTC](https://forum.gcaptain.com/t/500t-master-to-1600t-master/47993/1 "2018-05-03T19:19:30Z")

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Hey guys, Last year I upgraded my 200ton masters to 500 ton masters license using the crossover exam using my Masters of Towing license. Before that I held a 200t masters and 1600 mate testing after 2002… I received a 500t Master and a 3rd mate unlimited in the mail… I’m thinking I may have gotten a little lucky… 2 questions… can I upgrade the 500t Master to 1600t Master on just time alone… and if while researching this, can the evaluator take away my 3/M if he deems that I was given it mistakenly? Thanks

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**Author:** ![tugsailor](https://avatars.discourse-cdn.com/v4/letter/t/a9adbd/32.png) [@tugsailor](https://forum.gcaptain.com/u/tugsailor)\
**Post date:** [May 3, 2018, 8:30pm UTC](https://forum.gcaptain.com/t/500t-master-to-1600t-master/47993/2 "2018-05-03T20:30:32Z")

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I think you can apply to upgrade from 500 GRT to 1600 GRT on seatime alone without exam.

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**Author:** ![Ctony](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.gcaptain.com/ctony/32/189_2.png) [@Ctony](https://forum.gcaptain.com/u/Ctony)\
**Post date:** [May 3, 2018, 9:22pm UTC](https://forum.gcaptain.com/t/500t-master-to-1600t-master/47993/3 "2018-05-03T21:22:14Z")

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Good friend of mine got to 1600 grt master in the same way you did. Completely legit.

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**Author:** ![waterman74](https://avatars.discourse-cdn.com/v4/letter/w/c68b51/32.png) [@waterman74](https://forum.gcaptain.com/u/waterman74)\
**Post date:** [May 4, 2018, 2:57am UTC](https://forum.gcaptain.com/t/500t-master-to-1600t-master/47993/4 "2018-05-04T02:57:48Z")

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I don’t think they can track these posts…I have a different email account that I deal with the USCG with… Unless of course they really want to do some digging

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**Author:** ![waterman74](https://avatars.discourse-cdn.com/v4/letter/w/c68b51/32.png) [@waterman74](https://forum.gcaptain.com/u/waterman74)\
**Post date:** [May 4, 2018, 4:57am UTC](https://forum.gcaptain.com/t/500t-master-to-1600t-master/47993/5 "2018-05-04T04:57:04Z")

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I also forgot to mention I’ve been working as master in a vessel over 100t but less than 200t for 3 years now… Maybe that had something to do with it

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**Author:** ![Capt\_Phoenix](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.gcaptain.com/capt_phoenix/32/281_2.png) [@Capt\_Phoenix](https://forum.gcaptain.com/u/Capt_Phoenix)\
**Post date:** [May 4, 2018, 8:44am UTC](https://forum.gcaptain.com/t/500t-master-to-1600t-master/47993/6 "2018-05-04T08:44:11Z")

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That method of getting a third mate license requires that one specifically serve as Master _while holding_ a 1600 ton Master license. Also, the resulting 3rd mate license would have a tonnage limit on it.