Aviation Blade Services, Inc. (ABS), a subsidiary of First Aviation Services Inc., is best known for its expertise in the UH-60 Blackhawk rotor blade, as well as the Sikorsky, S-55, S-58, S-61, S-62, S-64, S-70, H-3, H34, and CH-54 rotor blades, and Westland Sea King rotor blades. With one of the most extensive libraries of Sikorsky rotor blade maintenance and manufacturing technical data, ABS is a world class repair facility for Sikorsky rotor blades. The company’s experience, knowledge and support for these rotor blades is unmatched.