Engineering · Steering Gear — Redundancy
SOLAS requires that a vessel's main steering gear be capable of putting the rudder over from 35° on one side to 30° on the other, with the vessel at deepest draft and service speed ahead, in not more than:
- A10 seconds
- B28 seconds✓ Correct
- C60 seconds
- D5 seconds
Explanation
Main steering gear must move the rudder from 35° one side to 30° the other in 28 seconds or less at maximum ahead service speed and deepest seagoing draft. The auxiliary gear has a less demanding (15° to 15° in 60 s at half speed) requirement.
Authority: SOLAS Chapter II-1 (steering gear)
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