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USCG Exam PracticeAuxiliary machinery and shipboard systems

Under 46 CFR §58.25-70, when transferring control from one steering-gear control system to another using the pilothouse selector switch, which of the following describes the required sequence of the switch lever?

  1. A. The lever must pass directly from one control system position to the other without interruption.
  2. The lever must pass through 'off' during transfer from one control system to another.Correct
  3. C. The lever must be held in the intermediate position for at least five seconds before completing the transfer.
  4. D. The lever must first energize the new system before de-energizing the old system to prevent loss of steering.

Why B is correct

46 CFR §58.25-70(c)(3) requires that the pilothouse selector switch lever pass through 'off' during transfer of control from one control system to another. This prevents simultaneous energization of two systems, which is prohibited by §58.25-70(c)(2).

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Under 46 CFR §58.25-70, when transferring control from one steering… — USCG Exam Practice · CaptainsGround