Originally Posted by
AlphaBeta
1. You still have your seat lock. You can always bid captain. But then you need to have the hours to upgrade.
2. The only scenario would be left seat upgrade. If you have the hours you will go into training for the seat. If not, you will go back to your old seat until you get the hours.
You can return to any aircraft you would have been eligible to bid had you not taken leave. A new hire seat lock can be a 1 or 2 year lock depending on a base change and what you can hold in the new base.