Which entry direction requires a climb to 2,500' MSL when reaching McCampbell-Porter?

The entry direction that requires a climb to 2,500' MSL upon reaching McCampbell-Porter is the southern and eastern routes. This procedure is often related to the airspace management and traffic patterns that are present at the airport, which may necessitate specific altitudes to ensure safe separation from other traffic and to comply with local air traffic control instructions.

When approaching from the southern and eastern areas, pilots are typically instructed to maintain a minimum altitude of 2,500' MSL to ensure they are safely above the surrounding terrain and any possible obstructions. This requirement is usually in place to provide adequate vertical separation from other aircraft that could be operating at lower altitudes in those sectors.

The other entry directions, such as the northern and western routes, may have different altitude requirements or procedures that do not necessitate a climb to 2,500' MSL. This distinction is crucial for pilots in order to adhere to safe flying practices and to integrate effectively within the air traffic system surrounding McCampbell-Porter.