Mar 5, 2024 · Class D airspace resembles a cylinder with a radius of about 4 or 5 nautical miles. It starts from the airport surface and extends to about 2,500 feet AGL or the airspace floor above it.

Designate separate Class D airspace area for airports in proximity to each other. A common boundary line must be used so that the airspace areas do not overlap.

In the U.S., airspace is categorized as regulatory and non-regulatory. Within these categories exist: controlled (classes A, B, C, D, and E) and uncontrolled (class G) airspace, based on …

Dec 12, 2025 · Understand the dimensions, mandatory communication protocols, and operating rules required for compliant entry into Class D controlled airspace.

Learn how to identify, enter, and safely operate in Class D airspace, including requirements, chart symbols, and part-time tower operations.

Aug 17, 2025 · Class D airspace represents a controlled environment designed to ensure safe, efficient operations around smaller towered airports. This classification forms an essential part …

The Class D airspace areas listed in subpart D of FAA Order JO 7400.11K (incorporated by reference, see § 71.1) consist of specified airspace within which all aircraft operators are …

The Class D airspace boundary should normally be based on the airport reference point (ARP) or the geographic position (GP) of the primary airport. The ARP/GP is the center of the airport …

Mar 15, 2024 · Class D airspace ensures organized traffic flow around small, towered airports. Requires an operating control tower, communications down to the runway, and weather …

One of the most common types of controlled airspace encountered by general aviation pilots is Class D airspace. While it is less restrictive than Classes A, B, or C, it still requires specific …