What shape is the approach surface for a General Utility airport?

The approach surface for a General Utility airport is correctly described as a trapezoidal shape. This design is intentional, reflecting the need for a safe and adequate area for aircraft to transition from the air to the runway during landing. The trapezoidal shape allows for a wider area at the end where the approach begins and tapers down in width as it reaches the threshold of the runway.

This design is important for compliance with safety standards and for accommodating various types and sizes of aircraft, ensuring that they have sufficient space to safely navigate to the airport. Additionally, the configuration reduces potential obstacles in the approach path while still allowing for a manageable transition for pilots approaching for landing. The larger area at the beginning of the approach surface accommodates potential variations in descent paths that may be needed by different aircraft types under varying conditions.