USCG-MASTER200-L2.3

The tonnage calculation: 25 per cent, 50 per cent and the 101/67 rule

USCG-MASTER200-M2 · Eligibility, sea service and tonnage · USCG-MASTER200-M2-A Master and Mate service rules, the OUPV and inland bridges, the 25/50 per cent tonnage formula and sail endorsements. 4 lessons.

Your ticket is issued at **25, 50, 100 or 200 GRT** depending on where your days were served. The formula is short; the traps are in the words **more than** and **next higher figure**.