What is the term for the station pressure adjusted to sea level?

The term for station pressure adjusted to sea level is referred to as altimeter setting. This value is critical for pilots as it ensures that the altimeter, which measures altitude, is correctly calibrated to the local atmospheric pressure at sea level. This calibration allows pilots to accurately determine their aircraft's altitude above sea level, which is essential for safe operations, especially during takeoff, landing, and when flying in controlled airspace.

When a pilot receives the altimeter setting from air traffic control or an automated weather station, they input this value into their altimeter, ensuring that it reflects the correct altitude relative to atmospheric conditions. This adjustment is vital since atmospheric pressure changes with weather systems, and flying at an inaccurate altitude can threaten safety.

In contrast to the correct answer, the other terms listed relate to different concepts. For instance, pressure altimeter refers to the instrument itself that measures altitude based on atmospheric pressure, but it does not represent the corrected value to sea level. Actual altitude typically refers to the height of an aircraft above a specific reference point, which may not necessarily reflect sea level if not adjusted. Standard atmospheric pressure is a theoretical value used in calculations and is not adjusted for local conditions, making it distinct from the altimeter setting.