The Department of Homeland Security, specifically the U.S. Coast Guard's Aviation Logistics Center, is seeking to procure spare parts for the HC-144 aircraft, including two Annunciator, Mast WA, three Lighted Panels, and three Push Buttons, Lighted. This procurement is intended to ensure the operational readiness and maintenance of the aircraft, which plays a critical role in maritime safety and security missions. The solicitation, numbered 70Z03825QL0000123, is set to close on July 25, 2025, with a sole source award anticipated to Airbus DS Military Aircraft, Inc., due to their proprietary technical data. Interested vendors must submit their capabilities and quotations to Debra Heath at debra.w.heath@uscg.mil by the specified deadline.