Deck General · Load Lines
What does the 'WNA' load line designation stand for, and when does it apply?
- AWinter North Atlantic; applies when transiting the North Atlantic in winter months✓ Correct
- BWestern North American; applies to voyages along the U.S. west coast
- CWarm North Atlantic; applies during summer months in the North Atlantic
- DWorldwide Navigation Area; applies to vessels on ocean voyages year-round
Explanation
WNA (Winter North Atlantic) is the most restrictive load line mark, requiring the shallowest draft. It applies to vessels under 100 metres in length when operating in the North Atlantic during winter months, where severe sea states increase the risk of overloading.
Authority: 46 CFR
Practice the full Deck General bank
Free spaced-repetition quizzing across 2190 USCG exam questions — it schedules your reviews so the ones you miss come back until they stick.
Related Deck General questions
- Load Lines
The load line mark (Plimsoll mark) on a vessel's hull indicates the:
- Load Lines
A vessel loading in fresh water will float at a different draft than in salt water because:
- Stability Definitions
Displacement is best defined as:
- Stability Definitions
Deadweight tonnage (DWT) is defined as:
- Stability Definitions
Lightship displacement includes:
- Stability Definitions
Freeboard is measured from the: