Essential Duties and Responsibilities: Performs aviation work by directing air craft, fueling and towing aircraft, securing and tying down aircraft, performing aircraft lavatory services, and maintaining cleanliness in aircraft areas. Working Conditions/Physical Requirements: Positions in this class require: standing, fine dexterity, walking, lifting, carrying, sitting, reaching, handling, kneeling, crawling, pushing/pulling, climbing, vision, foot controls, balancing, bending, crouching, hearing, twisting, talking.