D3

Personnel staffing services for executive positions, operations centers, logistics and management positions in the aviation industry; and fuel management services in the field of aviation

Aircraft repair and maintenance; aircraft engine and airframe maintenance; aircraft fueling; aircraft exterior finishing; avionics installation and repair; and aircraft ground support equipment maintenance

Aeronautical radio navigation and air traffic control services for others; loading and unloading of airplanes; and aircraft towing services

Educational services, namely, training in the field of aviation, aircraft maintenance and air traffic control; education services, namely, training for air traffic controllers in the field of joint terminal attack

[ Aircraft inspection ]