[Class : 37] Maintenance, Servicing And Overhaul Of Air Vehicles And Air Vehicle Parts And Particularly Landing Gear; Assistance Services Namely Troubleshooting In Case Of Air Vehicle Breakdown Or In Case Of Breakage, Failure Of An Air Vehicle Part Or Set Of Parts; Assistance Services In Case Of Air Vehicle Breakdown Or In Case Of Breakage, Failure Of An Air Vehicle Part Or Set Of Parts, Namely Loan Or Exchange Of Air Vehicle Parts Or Sets Of Parts; Repair Of Air Vehicles And Air Vehicle Parts And Particularly Landing Gear; Replacement Of Air Vehicle Parts; Information And Consulting In Field Of Maintenance, Servicing, Repair And Replacement Of Air Vehicles And Air Vehicle Parts; Information And Consulting In The Field Of Maintenance, Servicing, Repair, Replacement Of Air Vehicles And Air Vehicle Parts Intended For Optimizing The Availability Of Air Vehicles And Reducing The Down Time Thereof.