StacksVerified U.S. regulatory reference

46 CFR §4.04-1

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
A vessel owner, charterer, managing operator or agent shall immediately notify either of the following Coast Guard officers if there is reason to believe a vessel is lost or imperiled.
  1. (a)The Coast Guard district rescue coordination center (RCC) cognizant over the area the vessel was last operating in; or
  2. (b)The Coast Guard search and rescue authority nearest to where the vessel was last operating.