This is a market research notice for the production of a Direction Finder Control for the TH-1H helicopter. The government intends to award a sole-source contract to the original equipment manufacturer, Executive Instruments, Inc., as it is the only known source with the necessary technical data and capabilities. Other interested parties may identify their interest and capability by emailing the specified contacts. The procurement will use Other Than Full and Open Competition procedures. This notice is for informational purposes only and is not a request for proposal.