A restricted solicitation seeks repairs/overhauls for the Fuel Quantity Indication System (FQIS) and external fuel panel on U.S. Coast Guard HC-27 aircraft. A firm-fixed-price purchase order is anticipated on a sole-source basis to Leonardo SPA, with required parts from OEM Safran Aerosystems. Interested parties must have the technical expertise and engineering data to perform the repairs, and no drawings, specifications, or schematics are available from the USCG. The contractor must furnish a Certificate of Conformance IAW FAR clause 52.246-15. Only quotations with F.O.B. Destination or F.O.B. Origin shipping terms will be accepted.