I don’t know where most of the posters here are employed, but over at CX we’ve been forced to work on certain DDO’s for the past 2 decades. Cx roster 2 types of DDO’s. O days and G days. Management have long held the view that O days may be converted into a duty.
20 years of legal argument is yet to prove them wrong.
That being said, an out of touch management still don’t understand why crew over utilize the third DDO. The PRA.