PAX
Passenger. PAX is a standard aviation shorthand for passenger or passengers.
Expanded explanation
PAX is simple shorthand, but it carries broad awareness value
PAX appears across airline, airport, and travel-adjacent communication where teams need fast shorthand for passengers. It is not a complex technical term, but it is exactly the kind of high-visibility aviation query that can attract awareness traffic into the knowledge layer.
Why it matters
PAX is a strong top-of-funnel term because many users search it in plain language rather than formal aviation terminology. That makes it useful for awareness, even without a strong commercial bridge.