OUPV & 100-Ton Master · Credentials — Radar Observer
A Radar Observer endorsement on a mariner's credential is required when the operator:
- AUses radar as a navigational tool on a vessel subject to the requirement✓ Correct
- BOnly operates by day
- COperates solely on inland lakes under 5 miles wide
- DHolds any OUPV regardless of equipment
Explanation
A Radar Observer endorsement is required to use radar as a means of navigation on vessels subject to the requirement. It is earned via an approved radar course and maintained per the credential's terms.
Authority: 46 CFR Part 11
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