CFR › Title 33 › Part 169 › §169.20533 CFR §169.205Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkThe following ships, while engaged on an international voyage, are required to transmit position reports:(a)A passenger ship, including high speed passenger craft.(b)A cargo ship, including high speed craft, of 300 gross tonnage or more.(c)A mobile offshore drilling unit while underway and not engaged in drilling operations.