Manairco's is a company with over 50 years of manufacturing experience in airport and heliport field lighting. Our Constant Current Regulators (2KW to 50KW) are designed and manufactured in accordance with FAA Advisory Circular AC 150/5345-10F. Personnel with many years of design and test experience evaluate regulator designs and performance. Manairco's regulators are Ferromagnetic Reactor Type Air Cooled.