| Regulations require that OSV's under 100 GT must have a steering system that is capable of moving the rudder __________ . |
| A) by a required auxiliary steering system under emergency conditions when duplicated main steering power systems are provided |
| B) at one-half the maximum astern speed without damage |
| C) from 35° on one side to 30° on the other side, in no more than 28 seconds, while making maximum headway |
| D) from 15° on one side to 15° on the other side, in 30 seconds at 7 knots, or one-half the maximum speed |
