Final answer:
Illegal operation of a vessel violations involve acts that are in violation of international law and the principles of the Charter of the United Nations.
Step-by-step explanation:
The illegal operation of a vessel violations mentioned on page 27 may involve acts that are in violation of international law and the principles of the Charter of the United Nations. These violations can include deliberate and repeated attacks on United States naval vessels lawfully present in international waters, which pose a serious threat to international peace. The use of vessels for illegal activities such as smuggling or piracy may also be considered illegal operation of a vessel violations.