This picture and the following are of a high interest to
write a few lines about the VARICAM device, otherly said,
the possibility for pilot to modify camber of the rear
horizontal surfaces in addition of the normal work of the
elevator, this during flare which is the short period
when aircraft is level after descent and loosing its
speed in excess in order to stall and then hit as nicely
as possible the ground... see text under picture 40.