Section 25.30-90 - Vessels contracted for prior to November 19, 1952(a) Vessels contracted for prior to November 19, 1952, shall meet the applicable provisions of §§ 25.30-5 through 25.30-20 insofar as the number and general type of equipment is concerned. Existing items of equipment and installations previously approved but not meeting the applicable requirements for type approval may be continued in service so long as they are in good condition. All new installations and replacements shall meet the requirements of §§ 25.30-5 through 25.30-20 .