USCG Exam PracticeAuxiliary machinery and shipboard systems
According to 46 CFR, 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 condition?
- A. Maximum ahead service speed at deepest loadline draft
- ✓ One-half maximum ahead service speed or 7 knots, whichever is greater, at deepest loadline draftCorrect
- C. Maximum astern speed at deepest loadline draft
- D. One-half maximum ahead service speed or 5 knots, whichever is lesser, at deepest loadline draft
Why B is correct
46 CFR §58.25-10(d)(2) specifies that the auxiliary steering gear must move the rudder from 15° on either side to 15° on the other in not more than 60 seconds 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