The Naval Air Systems Command, in support of PMA-261 CH-53 Heavy Lift Helicopters Program Office, intends to negotiate and award a sole source delivery order to an existing basic ordering agreement (BOA) contract with Sikorsky to incorporate design improvements on the CH-53K Aircraft, which includes: designing a prototype kit for Avionics Cooling improvement modification of a Government test aircraft with the design, and to support Government flight testing. The proposed contract action(s) identified above are those for which the Government intends to solicit and negotiate with only one source under the authority of 10 U.S.C.2304(a)(l) and FAR 6.302-1, "Only One Responsible Source and No Other Type of Supplies or Services will Satisfy Agency Requirements." Sikorsky is the designer, developer, and sole producer of the CH-53K8 aircraft and is the only known contractor with the requisite knowledge, experience, and technical data able to provide the required level of supplies and services in support of the CH-53K" program. The Government does not possess adequate license rights to the required technical data package necessary to support a competitive procurement to fulfill the requirement herein. As a result, only Sikorsky has the unrestricted totality of technical data, unique engineering support experience, and detailed knowledge of the CH-53K" to meet the USN's requirements. THIS NOTICE OF INTENT IS NOT A REQUEST FOR COMPETITIVE PROPOSALS. Interested parties, however, may identify their interest and capability by responding to the requirement. The Government will consider all information received prior to the closing date of this synopsis. Information received will be considered solely for the purpose of determining whether to conduct a competitive procurement. A determination by the Government not to compete the proposed contract modification based upon responses to this notice is solely within the discretion of the Government. No phone inquiries will be entertained. Responses shall be made in writing by E-mail, U.S. mail or facsimile to the attention of Jenny Moses or Kevin Ritter using the contract information provided in this synopsis. Companies interested in subcontracting opportunities should contact Jason Lockwood, Sikorsky Subcontracting Manager, at 203-225-3657.