What is a key characteristic of Class III Airports?

Class III Airports are defined by their operational capabilities, which indeed focus primarily on scheduled small aircraft operations. This categorization arises from the need to accommodate general aviation while not being as extensive as larger airports that handle significant airline traffic or large aircraft.

Class III Airports typically support regional and local flights and services, catering mainly to smaller passenger aircraft and general aviation. This specific focus on small aircraft allows them to operate efficiently within their infrastructure limitations and community noise restrictions, setting them apart from larger airports.

The other options presented do not accurately reflect the defining characteristics of Class III Airports. They’re not primarily military airports and do not handle both scheduled small and large operations, which differentiates them from higher-class airports capable of accommodating larger operations. Additionally, while operational records are essential for all airports for safety and regulatory compliance reasons, it’s not a defining factor that describes the nature of Class III Airports specifically. Thus, option A accurately captures the essence of what Class III Airports are and their operational scope.