Which of the following statements is TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels?

Correct Answer: Option C — The generally recommended lash angle is no greater than 45 degrees relative to the deck in any direction.

IMO Safe Transport of Vehicles (Ro-Ro) guidelines dictate that lashing angles should ideally remain no greater than 45 degrees relative to the deck in any direction to optimize horizontal restraint components against transverse and longitudinal accelerations.