USCG Exam PracticeAuxiliary machinery and mechanical systems
Per 46 CFR, the auxiliary steering gear must be capable of moving the rudder from 15° on one side to 15° on the other in not more than 60 seconds. This performance must be achieved with the vessel at deepest loadline draft and running at what speed?
- A. Maximum ahead service speed
- ✓ One-half maximum ahead service speed or 7 knots, whichever is greaterCorrect
- C. One-third maximum ahead service speed or 5 knots, whichever is greater
- D. One-half maximum ahead service speed or 7 knots, whichever is lesser
Why B is correct
46 CFR §58.25-10(d)(2) specifies that the auxiliary steering gear must meet its 60-second performance requirement with the vessel at deepest loadline draft and running at one-half maximum ahead service speed or 7 knots, whichever is greater.
Cited:46 CFR §58.25-10