What term refers to the right to use the airspace above the surface of land?

The correct term for the right to use the airspace above the surface of land is "air rights." This concept is significant because land ownership does not just encompass the ground and the resources below it; it also includes the space above that can be used for various purposes, such as constructing buildings, placing antennas, or conducting aviation activities. Air rights can be a critical aspect of property development, especially in urban areas where vertical space is at a premium.

Other terms, such as land rights, property rights, and surface rights, either refer to different aspects of land ownership or do not specifically address the rights to the space above the land. Land rights typically involve ownership and use of the physical land, property rights cover various ownership aspects, and surface rights specifically denote the rights attached to the ground and any resources on or below the surface.