What does "Downline" indicate in airline operations?

"Downline" in airline operations refers to a flight attendant or crew member being away from their home base or domicile. This term is commonly used in the airline industry to describe situations where crew members are scheduled to operate flights that take them away from their primary location.

Understanding this terminology is essential for managing flight crews, ensuring proper scheduling, and adhering to rest regulations. Crew members may be required to work multiple flights away from their base, impacting their schedules and duty assignments. This concept is crucial for effective flight operations, as it helps in planning crew rotations and maintaining compliance with airline policies and Federal Aviation Administration (FAA) regulations regarding crew duty limits and rest requirements.

Identifying the meaning of "downline" helps crew members understand their flight assignments better and prepares them for any travel implications when they are not at their home base.