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