“Airlines Manager Application" is made using disconnected database model and other concept of Windows Form Application with CRUD functionality On the main form of the application, user can view information on Airlines, Flights and Customers using the tab control. Also, there is a context menu – OPTIONS, which will give user access to edit details of Airlines, Flights and Customers. On navigating to other forms, any of the Manage Airlines, Manage Flights, Manage Customers, depending on the form, user will be asked to enter inputs.