46 U.S.C. § 4106

Penalties

If a vessel to which this chapter applies is operated in violation of this chapter or a regulation prescribed under this chapter, the owner, charterer, managing operator, agent, master, and individual in charge are each liable to the United States Government for a civil penalty of not more than $5,000. The vessel also is liable in rem for the penalty.

( Pub. L. 98–89 , Aug. 26, 1983 , 97 Stat. 529 ; Pub. L. 100–540, § 3 , Oct. 28, 1988 , 102 Stat. 2719 .)