Prior to arrival in Charleston, SC your vessel must conduct drills within 48 hours prior to entry and log that in the vessel logbook. Alternatively, you can log regularly scheduled quarterly drills according to 33 CFR regulations governing ports and waterways safety. Which of the following are included in the drills that must be performed? (1) Operation of the main steering gear from within the steering gear compartment. (2) Operation of the means of communications between the navigating bridge and the steering compartment. (3) Operation of the alternative power supply for the steering gear, if the vessel is so equipped. (4) Operation of the low lube pressure trip on the main engine. (5) Operation of the reverse power relay on the ship's diesel generator.

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Option B: Drills 1,2,3. 33 CFR 164.25 mandates steering gear testing for vessels entering U.S. ports. Required drills include testing the main steering gear from the compartment, verifying communication between the bridge and steering gear room, and testing the alternative power supply. These ensure the vessel maintains positive control during restricted maneuvering in port waters.