What is the term for the effect that describes the vessel's movement perpendicular to its original course during a turn?

• A. Advance
• B. Drift
• C. Transfer
• D. Set

Answer: (C)

The term that describes the vessel's movement perpendicular to its original course during a turn is known as "Transfer." This phenomenon occurs because, when a vessel turns, it does not just change direction; it also experiences a lateral movement away from its original path. Transfer is the distance a vessel moves sideways while executing a turn, which is often a critical factor in navigation, especially in confined waters or busy shipping channels.

Understanding Transfer is essential for the Officer of the Deck when making navigational decisions, as it helps in anticipating the vessel's final position after a turn. Proper comprehension of this term helps to ensure safe maneuvering, avoid groundings, and maintain appropriate clearances from obstacles or other vessels.