Originally Posted by
Scoop
Yes. You have to decide if you want to burn a IVD for something that you could drop with a regular PD.
IVDs will pay a vacation day, 3:30 or possibly 3:45 depending on your vacation situation. So if you are dropping a 7 hour turn there is a big pay hit. And you will essentially get less vacation pay in the future so it really depends on how much you want to work in the months in question.
You do it via PCS just like any drop.
Scoop
I think you can either pull from the front of a future vacation block in the same vacation year OR buy IVDs with hours from the bank (up to 4 in either case total).