StacksVerified U.S. regulatory reference

46 CFR §170.125

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
In addition to the information required in § 170.110, the following information must be included in the stability booklet of a vessel that is required to comply with § 173.005 of this subchapter:
  1. (a)Non-counterballasted vessel. If a vessel is not counterballasted, stability information setting forth hook load limits corresponding to boom radii based on the intact stability criterion in § 173.020 must be provided.
  2. (b)Counterballasted vessel. If a vessel is counterballasted with water, the following information must be provided:
    1. (1)Instructions on the effect of the free surface of the counterballast water.
    2. (2)Instructions on the amounts of counterballast needed to compensate for hook load heeling moments.
    3. (3)If a vessel has fixed counterballast, a table of draft versus maximum vertical moment of deck cargo and hook load combined.
    4. (4)If a vessel has variable counterballast, a table of draft versus maximum vertical moment of deck cargo and hook load combined for each counterballasted condition.