Explanation: All marine transmitting apparatus used aboard United States vessels must be certified by the FCC for Part 80 operations. The Federal Communications Commission (FCC) is the regulatory authority in the U.S. that sets technical standards and certifies radio equipment to ensure it operates correctly, adheres to specific frequency bands, power limits, and minimizes interference. This certification confirms compliance with maritime radio rules. The U.S. Coast Guard enforces maritime safety and environmental regulations but does not perform type acceptance of radio equipment; that falls under the FCC. The International Maritime Organization (IMO) sets international standards and conventions, which are then implemented and enforced by national regulatory bodies like the FCC, not through direct IMO certification. Finally, while proper programming is essential, there is no FCC requirement that *all* maritime channel programming must be performed by a licensed Marine Radio Operator.