At what altitude does Class D airspace extend up to?

Class D airspace typically extends from the surface up to a specified altitude, which is generally not higher than 2,500 feet above the airport elevation, measured in feet MSL (Mean Sea Level). This means that once you reach 2,500 feet MSL, you would no longer be within the Class D airspace. This type of airspace is established around airports with an operational control tower and is designed to manage traffic within its surroundings, ensuring that it remains safe and efficient for both aircraft departing from or arriving at the airport and those flying through the area.

The other altitude options listed exceed the typical upper limit for Class D airspace. Understanding the vertical limits of airspace classifications is essential for aviation operations, particularly in ensuring compliance with air traffic control regulations and maintaining safety in the airspace system.