Deck : General Navigation - 398/2138
|
|---|
| « Previous Question |
| Permission to leave the riverward chamber of twin locks is given by the lockmaster and consists of which sound signal? |
| A) One long blast |
| B) Two short blasts |
| C) One short blast |
| D) Two long blasts |
loading answer...
| Comments |
|---|
| There are no comments for this question. |