Fsia -

To bring a claim against a foreign sovereign, you must:

Yes. The ship line is a commercial activity, the tort occurred in the U.S. (harbor), and the non-commercial tort exception applies (personal injury/property damage in the U.S.). No immunity. To bring a claim against a foreign sovereign,

The Foreign Sovereign Immunities Act (FSIA) - a complex and nuanced area of law! To bring a claim against a foreign sovereign,