airframe maintenance and overhaul services; refurbishment services for custom aircraft interiors;[ manufacture authorized turbine engine overhaul services;] technical assistance services for diagnosis and correction of aircraft faults by personnel dispatched to operator's facility or remote aircraft location; custom analyses, studies and evaluations of operations and maintenance procedures of aircraft operator to maximize aircraft performance; avionics installation services

Airframe Maintenance and Overhaul Services; Refurbishment Services for Custom Aircraft Interiors; Manufacturer Authorized Turbine Engine Overhaul Services; Technical Assistance Services for Diagnosis and Correction of Aircraft Faults by Personnel Dispatched to Operator's Facility or Remote Aircraft Location; Custom Analyses, Studies and Evaluations of Operational and Maintenance Procedures of Aircraft Operator to Maximize Aircraft Performance; and Avionics Installation Services

Educational and Training Services for Aircraft Operator Personnel and Employees of Aircraft Servicing Facilities as to Engine and Aircraft Operating Techniques, Systems Design and Function, and Repair and Maintenance Procedures

Airframe Maintenance and Overhaul Services; Refurbishment Services for Custom Aircraft Interiors; Manufacturer Authorized Turbine Engine Overhaul Services; Technical Assistance Services for Diagnosis and Correction of Aircraft Faults by Personnel Dispatched to Operator's Facility or Remote Aircraft Location; Custom Analyses, Studies and Evaluations of Operational and Maintenance Procedures of Aircraft Operator to Maximize Aircraft Performance; Avionics Installation Services

Operation of airports and air traffic installations, namely, technical, administrative and logistical development services regarding transportation of freight by air, storage of goods as well as loading and unloading of freight transported by air; traffic management services, namely, drawing up of traffic concepts for airports with regard to transportation