693. Which piece of navigational safety equipment is NOT required on towing vessels over 12 meters in length, provided that the vessel remains within the navigable waters of the U.S.?

A GPS receiver is not required navigational safety equipment for towing vessels over 12 meters operating within U.S. navigable waters, according to 33 CFR 164.72. Charts, a VHF-FM radio, and a searchlight are mandated by this regulation.