core + attic (Attic Area): these terms have been either deprecated from the core or extentions, or removed from pending as not accepted into the full vocabulary.

passengerSequenceNumber

Canonical URL: http://schema.org/passengerSequenceNumber

Thing > Property > passengerSequenceNumber

The passenger's sequence number as assigned by the airline.
Values expected to be one of these types
Text
Used on these types
FlightReservation

Schema Version 3.3