What is the floor of controlled airspace over McCampbell Airport?

The floor of controlled airspace over McCampbell Airport is designated as 718 feet MSL (Mean Sea Level). This specific altitude is determined by the type of controlled airspace that exists in the area, which could be Class D airspace if the airport has a control tower. In Class D airspace, controlled airspace extends from the surface up to a designated upper limit, which in this case is typically set at 2,500 feet AGL (Above Ground Level) but also must conform to MSL elevations and terrain features.

In this scenario, the 718 feet MSL indicates the altitude at which the controlled airspace begins and is crucial for pilots to be aware of for flight planning and operations. It helps maintain safe separation between aircraft operating under Visual Flight Rules (VFR) and those in controlled airspace, ensuring compliance with FAA regulations.

Understanding the specific floor of controlled airspace helps pilots navigate safely and maintain situational awareness, as well as avoid inadvertent violations of controlled airspace that could lead to safety issues or regulatory penalties.