| BOTH INTERNATIONAL & INLAND You are at anchor in fog. The fog signal of a vessel underway has been steadily growing louder and the danger of collision appears to exist. In addition to your fog signal, what signal may be used to indicate the presence of your vessel? |
| A) Three blasts on the whistle; one prolonged, one short, and one prolonged. |
| B) Three blasts on the whistle; one short, one prolonged, and one short. |
| C) Three blasts on the whistle; one prolonged followed by two short. |
| D) No signal other than your fog signal may be used. |
