Originally Posted by
Denny Crane
Payback days at the end of a month of reserve green slipping become supplemental days ("SUP"). You can look up in the contract what you can do with them but a couple of them are, with the concurrence of scheduling, you can take them anytime. Or, at the end of the year, they are added to whichever vacation you choose.
If you use them as vacation days for the following year, they become worth 3:15 each. Better to use them to drop regular line trips, if possible, so that they are each worth 5:15 or better.