Repair of APS-143 Radar Components for U.S. Coast Guard Aircraft HC-144.

**Amendment 02 is to extend the closing date of this solicitation 60 days due to request by sole source vendor.** **Amendment 01 is to extend the closing date of this solicitation due to a request by the sole source vendor.** This is a solicitation for commercial items prepared in accordance with (IAW) the format in Federal Acquisition Regulation (FAR) part 15 as supplemented with additional information included in this notice. This announcement constitutes as the only solicitation; proposals are being requested and a written solicitation will not be issued. Solicitation number 70Z03826RL0000005 is issued as a Request for Proposal (RFP). This solicitation document and incorporated provisions and clauses are those in effect as of November 28, 2025, IAW the Revolutionary FAR Overhaul (RFO). The applicable North American Industry Classification Standard Code is 488190. The small business size standard is $40 million. This is a restricted solicitation. All responsible sources may submit a proposal which shall be considered by the agency. It is anticipated that a firm-fixed price contract shall be awarded on a sole source basis to Telephonics Corporation (CAGE Code: 64694) as a result of this solicitation. Sources must be able to obtain the required technical expertise, engineering data, and Original Equipment Manufacturers (OEM), Telephonics Corporation (Cage Code 64694), parts required to successfully perform the required repairs/overhauls.