Aircraft Maintenance, Best Practices, Billing, Customer Support/Service, Equipment Maintenance/Repair, Federal Aviation Administration (FAA), Inventory Levels, Inventory Management, Leadership, Maintenance Services, OEM (Original Equipment Manufacturer), Pricing, Problem Solving Skills, Procurement Planning, Production Control, Production Planning, Proposal Writing, Purchase Orders, Purchasing/Procurement, Request for Proposals (RFP), Safety/Work Safety, Sales Closing Skills, Shipping/Receiving, Time Management, Total Cost of Ownership, Vendor/Supplier Evaluation, Vendor/Supplier Relations, Vendor/Supplier Selection