Ultra Electronics Holdings plc operates in the Search and navigation equipment sector. Ultra Electronics Holdings plc is a holding Company is engaged in the design, development and manufacture of electronic systems for the international defence, security, transport and energy markets. The Company operates in three segments: Aircraft & Vehicle Systems' products include airframe ice protection systems; active noise and vibration control; aircraft system test equipment, and consultancy and training solutions; Information & Power Systems' include airport information management systems, airport-wide systems integration, combat systems, command, control and information systems, command information management systems and Enterprise IT solutions, and Tactical & Sonar Systems include acoustic countermeasure systems, and airborne anti-submarine warfare systems. In January 2011, it acquired Adaptive Materials Inc. In February 2011, it acquired 3e Technologies International Inc. from EF Johnson Technologies Inc. In September 2011, the Company acquired AEP Networks Ltd. In our complete report available for purchase the company is compared to: Chemring Group PLC, Qinetiq Group and Aselsan AS.