National Defense Shipyard Protection Act of 1984

[AI summary unavailable — showing source text] National Defense Shipyard Protection Act of 1984 - Amends the Merchant Marine Act, 1936, to revise the current construction-differential subsidy provisions by setting forth requirements for shipyard construction subsidies. Declares a shipyard qualified to receive a construction subsidy if it is capable of constructing: (1) seagoing vessels that meet the requirements of the Secretary of Transportation; and (2) simultaneously, at least three vessels of the type of which subsidy application is made. Prohibits a shipyard from making such application if more than 60 percent of its construction capacity in the previous year was used for vessel or other construction for the U.S. Government. Sets forth competitive bidding procedures for shipyard construction subsidies. Provides financial incentives and penalties on the use of such subsidies. Limits a subsidy to 40 percent of the shipyard's bid. Restricts vessels constructed under this Act to the foreign commerce of the United States or foreign-to-foreign commerce. Sets forth circumstances under which operating differential subsidy contractors may qualify for construction subsidies. Establishes the construction subsidy account in the U.S. T…