StacksVerified U.S. regulatory reference

46 CFR §172.165

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Design calculations must show that 2 inches (50mm) of positive metacentric height can be maintained by each tankship when it is being loaded and unloaded.
  2. (b)For the purpose of demonstrating compliance with the requirements of paragraph (a) of this section, the effects of the addition of water ballast may be considered.