Boating Coach US
Safety equipmentQuestion 56 of 352

How must an installed battery be secured?

  1. It may move 6 inches
  2. It must not move more than 1 inch in any direction
  3. It may float freely
  4. It must not touch the boat at all
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Correct answer: It must not move more than 1 inch in any direction

A battery that moves can short out. The test pulls with a set force and allows only one inch of shift.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 183: Boats and Associated Equipment, § 183.420 Batteries

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Questions last reviewed: 18 October 2026