USCG Exam PracticeAuxiliary machinery and shipboard systems
Under 46 CFR, when the main steering gear includes two or more identical power units on a cargo vessel, no auxiliary steering gear need be fitted provided the main steering gear meets which condition?
- A. It is capable of moving the rudder as required while any one of the power units is not operating
- ✓ It is capable of moving the rudder as required while all power units are operatingCorrect
- C. It has a proved record of reliability and is in good repair
- D. It is capable of moving the rudder from 15° on either side to 15° on the other in 60 seconds
Why B is correct
46 CFR §58.25-10(f)(2) states that for a cargo vessel, when the main steering gear includes two or more identical power units and no auxiliary steering gear is fitted, the main steering gear must be capable of meeting the rudder movement requirement while all power units are operating. The 'any one power unit not operating' standard applies to passenger vessels under §58.25-10(f)(1).
Cited:46 CFR §58.25-10