The actual fly-by departure time was 10:27H Eastern. To start the timing run, the Purple Hearts fly away from the airport and then they drop down across a crew of timers who are stationed along the designated runway. The timers look for the proper height, wings level, and start the clock once the plane crosses the line. When the Purple Hearts arrive in Fryeburg, Maine, they will cross the final line to stop the clock. The difference between the two numbers will determine the speed that the plane achieved. -ed
A typical fly-by to start the timing run |
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