Hours you can work are 8PM to 1PM. There's a total shutdown of yarders using blocks (haulback) and falling on yarder ground. You can yard with a shotgun system, fall in a skidder unit, use skidders, work on a landing, or use a feller buncher during the above hours.
Shotgun: Uses gravity to get the carriage down the hill. No haulback or corner blocks needed
Shotgun: Uses gravity to get the carriage down the hill. No haulback or corner blocks needed