Without being detailed, for us, you can sit in the pointy end if your on Aviation Authority Business, a staff member positioning prior to a duty, a staff member (note: does not specify what role) on a staff ticket or a member of the public on a staff ticket accompanying the staff member.
In a nutshell, if your on a staff ticket (i.e. you have a mate at the airline) who can get you a ticket, your onto a winner.
Horgy