; (B) with respect to an inter-array cable lay vessel, means a project paying out inter-array cables; (C) with respect to an umbilical cable lay vessel, means a project paying out umbilical cables; and (D) with respect to an export cable lay vessel, means a project paying out export cables. (3) Coastwise-endorsed The term coastwise-endorsed , with respect to a vessel, means that the vessel has been issued a certificate of documentation with a coastwise endorsement under chapter 121 of title 46, United States Code. (4) Inter-array cable vessel The term inter-array cable lay vessel means a vessel paying out inter-array cables to which section 30(c)(2)(B)(ii)(II) applies, including paying out a submarine inter-array cable described in section 12138(b) of title 46, United States Code. (5) Export cable lay vessel The term export cable lay vessel means a vessel paying out export cables to which section 30(c)(2)(B)(ii)(II) applies, including paying out a submarine export cable described in section 12138(b) of title 46, United States Code. (6) Pipe lay vessel The term pipe lay vessel means a vessel paying out pipe to which section 30(c)(2)(B)(ii)(II) applies, including paying out a submarine pipe described in such section 12138(b). (7) Umbilical cable lay vessel The term umbilical cable lay vessel means a vessel paying out umbilical cables to which section 30(c)(2)(B)(ii)(II) applies, including paying out a submarine umbilical cable described in such section 12138(b). (8) Secretary The term Secretary means the Secretary of Transportation. . (2) Inventory Section 12138(b) of title 46, United States Code, is amended— (A) in the heading, by striking Vessels for cable laying, maintenance, and repair and inserting Vessels for paying out pipe, inter-array cables, umbilical cables, or export cables, maintenance, and repair