22 AEROSPACE TURBINE ROTABLES, INC. Electronics • Grimes • Whelan • SDI STROBE POWER SUPPLIES • Grimes • Whelan • SDI STROBE LIGHTS AeTR has a special niche in this market. Our repair parts developmental efforts have returned great dividends to this product line. AeTR has specialized in retractable landing lights and helicopter search lights for more than two decades. Our solutions for replacement gears, actuators, switches, and motors has resulted in impressive reliability improvements and reduced cost of operations for many operators of these aged electromechanical lights. RETRACTABLE LANDING LIGHTS