Flights 2 thru 10. The first 6 hours
Turbo Problems, Hurricanes, Al's Shorts & Flight 11
More issues and delays - Flights 12 & 13
Calibration, pressure and a few forced landings
Squarks, electronics problems, prop strike and, eventually, stability
The next 10 hours - more electronics problems
The last 10 hours - the home stretch?