FSX SP1 All Missions Full Run Part 20

The realism settings are not visible at the start of the video due to a recording error, but are viewable in part 10 at 28:45:30.
The rules of the challenge, maximum realism, no use of save states, if the game registers a crash, restart the mission, all missions run in order, pausing is allowed, inputting controls while paused is not allowed, use of alt z is allowed.
The graphics are set to medium low on most levels for scenery, weather, traffic. Aircraft graphics are custom. Changing of graphics settings is permitted during the run.
Run total time 68:24:41