+++ New York City +++ JFK INTL +++ 4:00am Eastern+++

The passengers: Businessmen.
The route: Directly via GPS.
Further information: Cruising altitude: 52000ft AGL ; Cruising speed: Mach 2.30.



+++4:05am Eastern+++

Passing the main terminals of JFK INTL.



+++4:12am Eastern+++

Taxiing to the runway and taking a last look on the airport.



+++4:15am Eastern+++

Take-off. This point will now be called T0.



+++T0 +0:10h+++

Received clearance from ATC for climb to cruising altitude. Speed is still subsonic,Mach 0.99.



+++T0 +0:30h+++

Slowly climbing and leaving the East Coast behind. Speed will be increased to Mach 1.5 as soon as clearance was given from ATC.



+++T0 +0:50h+++

The first light of the day over the atlantic ocean. Cruising altitude is reached, speed is increased to Mach 2.



+++T0 +1:20h+++

Sun is rising quickly. Speed is now steadily at Mach 2.3.



More in part two here.