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Safety equipmentQuestion 37 of 352

Which life jackets count as wearable devices?

  1. Type IV only
  2. Types I, II and III
  3. Type IV and Type V only
  4. Type V only
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Correct answer: Types I, II and III

Types I, II and III are made to be worn on the body. Type IV is meant to be thrown.

Source: US Code of Federal Regulations (eCFR), 33 CFR Part 175: Equipment Requirements, § 175.13 Definitions

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Questions last reviewed: 18 October 2026