StacksVerified U.S. regulatory reference

46 CFR §15.817

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Every person in the required complement of deck officers, including the Master, on seagoing vessels equipped with a GMDSS, except those vessels listed in § 15.105(f) and (g), must provide evidence of a valid STCW endorsement as GMDSS Radio Operator.