USCG-DECK-SEA-L1.2

The twelve-hour day, the four-hour day and the yacht

USCG-DECK-SEA-M1 · What counts as a day · USCG-DECK-SEA-M1-A Reading 10.232, the 8-hour day, time-and-a-half, the 4-hour day and underway versus alongside. 3 lessons.

Two exceptions to the 8-hour day matter to yacht crew: **time-and-a-half** for 12-hour days and the **4-hour day** under 100 GRT. One is usually unavailable on yachts; the other is often overlooked.

AI-drafted catalogue content pending SME review. Deck sea service credit for yacht, foreign-flag and recreational service is largely evaluator discretion, including 12-hour days, days alongside and GT-only tonnage; verify with the National Maritime Center before relying on any day count.