| Which of the following statements is TRUE regarding automatic identification systems (AIS)? |
| A) The master may, at his/her discretion, turn off the AIS if he/she believes that it may compromise the safety or security of the vessel. |
| B) AIS is always required to be operating if the vessel is in or in the vicinity of a VTS area. |
| C) Under no circumstances shall AIS be turned off while underway as this could endanger the vessel and those around her. |
| D) AIS is always required to be operating if the vessel is within 100 nautical miles of the coastline. |
