What is the designation for the time spent by a reserve crew member on standby status at a designated airport?

The correct designation for the time spent by a reserve crew member on standby status at a designated airport is known as "Ready Reserve." This term refers to a specific type of reserve duty where flight attendants must be available and ready to report for duty on short notice, typically within a specified time frame. During this period, they remain at the airport, making them accessible to the airline in case they are needed to cover open flights or act as replacements for scheduled crew members.

Understanding the nuances of reserve status is vital for flight attendants, as it directly impacts their scheduling, pay, and lifestyle. Being in "Ready Reserve" means that the crew member must comply with certain availability and readiness guidelines, ensuring that they can step in at any moment if required.

The other terms presented, such as "Standby Reserve" and "Active Reserve," may refer to different levels of readiness or availability but do not capture the specific context of being on standby at the airport, which is critical for understanding daily operations in scheduled flight services. Therefore, "Ready Reserve" is the most accurate and relevant designation for this scenario.