A、only when there is positive stability B、only when there is negative stability C、only when there is neutral stability D、at all times
A、only when there is positive stability B、only when there is negative stability C、only when there is neutral stability D、at all times
A、when at anchor B、only when making way C、at any time when underway D、only when the identifying lights are not being shown
A、when at anchor B、only when making way C、at any time when underway D、only when the identifying lights are not being shown
A、from sunset to sunrise and during restricted visibility B、only when other vessels are in the area C、only when operating in a traffic separation scheme D、only when under tow
A、only when there is positive stability B、only when there is negative stability C、only when there is neutral stability D、at all times
A、only when there is positive stability B、only when there is negative stability C、only when there is neutral stability D、at all times
A、only when the load is taken off the cable B、only when there is a load on the cable C、only when activated by the controls at the lowering station D、at any time
A、only when the load is taken off the cable B、only when there is a load on the cable C、only when activated by the controls at the lowering station D、at any time
A、only when the load is taken off the cable B、only when there is a load on the cable C、only when activated by the controls at the lowering station D、at any time