Orbit International receives Letter Subcontract for major helicopter program Orbit International announced that its Electronics Group has received a Letter Subcontract with a not-to-exceed value of $1,180,000 to manufacture displays for a major helicopter program. Work on this project will be performed at Orbit's Tulip Development Laboratory subsidiary located in Quakertown, PA. The Letter Subcontract authorizes TDL to commence the procurement of long lead-time items while contract negotiations are completed. These negotiations should conclude within 60 days. Deliveries are expected to commence in the Q2 and should be completed in the Q3. Follow-on orders for TDL's display are expected through 2016.