| In which Sea Area must a compulsory vessel carry either INMARSAT or HF SITOR equipment? |
| A) HF SITOR equipment partially satisfies the carriage requirement for vessels operating in Sea Area A3, but INMARSAT equipment must be carried to satisfy the requirement when the vessel is in Sea Area A4. |
| B) This equipment must be carried at all times at sea regardless of where the vessel will be operating. |
| C) This equipment satisfies in full the carriage requirement for vessels operating in Sea Area A2. |
| D) This equipment partially satisfies the carriage requirement for vessels operating in Sea Area A3. |
