Simple English definitions for legal terms
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An aviation easement is a type of easement that permits unimpeded aircraft flights over the servient estate. An easement is an interest in land owned by another person, consisting of the right to use or control the land, or an area above or below it, for a specific limited purpose. The land benefiting from an easement is called the dominant estate, and the land burdened by an easement is called the servient estate.
For example, if an airport needs to fly over a neighboring property to access a runway, they may obtain an aviation easement from the neighboring property owner to ensure unimpeded flights. This easement would allow the airport to use the airspace above the neighboring property for the specific purpose of aircraft flights.