This pre-solicitation notice announces an upcoming Firm-Fixed-Price contract for the turnkey repower of the 51-foot U.S. Government-owned Motor Yacht *Fair Winds*, including removing two Caterpillar C12 engines and installing two new Cummins QSM11-M 715 HO engines. All contract performance will take place in Singapore, and the contractor must be legally authorized to operate there, holding all required licenses and permits. The solicitation posting date is not yet established; prospective offerors must monitor SAM.gov for the solicitation and any amendments. No budget amount is specified in this notice. The Government may award the contract based on initial proposals without discussions, and a vessel inspection and site visit are anticipated.