CSeries Fifth Flight taking off.
it is really quiet if you there and ear the other jets.
http://youtu.be/JDnBjgqXUX8
5th flight was still with FTV1 C-FBCS. Flight of FTV2 should be soon since it is scheduled for McKinley Climatic Laboratory / Eglin Air Force Base December time slot for deep/fast cooling/heating cycles.
FTV2 and FTV3 are both transmitting Mode-S + ADS-B for the last few days.
SF