I scheduled an exisiting plane within my FS2004 aircraft folder for AI traffic. The plane is visible when I look into my aircraft selection panel. However, when I schedule it into my AI traffic, it is the only plane that I scheduled so far, the aircraft does not show up on the airport. Not even on the time that is suppose to leave.
I am 100% sure that I scheduled it correctly and i did compile it into the traffic.bgl.
All other schedules never gave me any problems.
What can be the reason for this?