A more thorough explanation:

Definition: An air-transport agreement is a contract that outlines the rules and regulations for operating air services. It is especially important for international air services between different countries. It is also known as an air-services agreement.

Example: The United States and Canada have an air-transport agreement that allows airlines from both countries to operate flights between the two countries. This agreement outlines the rules for safety, security, and other important aspects of air travel.

Explanation: The example illustrates how an air-transport agreement works between two countries. It allows airlines to operate flights between the two countries while following the rules and regulations outlined in the agreement. This ensures safe and secure air travel for passengers and helps to avoid any conflicts between the two countries.