No, no surprises. Our days off were just that. Days off. If we were sick, we would call each other before calling the company. If they wanted to cover the day, it was time and a half pay. If not, thy just didn't answer their phone when company called.
In full disclosure, that was. working for the second largest air medical operator in the country at the time. When we were bought out by Air Methods, we hired a 4th crew and went to 7/7.