USMC Heavy Lift Replacement CH-53K SIL Obsolescence and Update

The Naval Air Systems Command plans to award a sole source Delivery Order to Sikorsky Aircraft Corporation, a Lockheed Martin company, to upgrade critical testing and maintenance systems for the CH-53K heavy lift helicopter. This effort focuses on modernizing the Avionics, Flight Controls, Hydraulics, and Electrical System Integration Labs, the Maintenance Data Computer, and the Warnings, Cautions, and Advisories test stands to a production representative configuration. The work includes procuring and installing new hardware, implementing software and documentation updates, and conducting validation testing to ensure full system functionality. Sikorsky is the sole designator, developer, and manufacturer of the CH-53K system and uniquely possesses the specialized technical data, tooling, facilities, and expertise necessary to complete this work within required deadlines, justifying the use of other than full and open competition under 10 U.S.C. 3204(a)(1) and FAR 6.103-1. The order will be executed under an existing Basic Ordering Agreement with Sikorsky. The solicitation, identified as N00019-23-RFPREQ-APM261-0148, was posted on July 15, 2026, with responses due by July 31, 2026. It is classified as a presolicitation under NAICS code 336411, with no set-aside designation. The contracting office is located at Patuxent River, Maryland, while all work will be performed at Sikorsky’s facility in Stratford, Connecticut. Primary points of contact for inquiries are Heather A. Klasmeyer and Jamie Schoemaker of the Navy, who can be reached via their official email addresses listed in the solicitation.