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FLYING TURBULENCE
AND FLYING INCIDENTS
Flying in turbulence should be avoided at all cost. Study the books
on aerology to learn to predict turbulent conditions (strong winds,
turbulence due to obstacles, wake turbulence, rotors, leeside ther-
mals, foehn effect, over developed clouds, etc...).
If however you do get caught in turbulence, there is only one thing to
do : reduce your speed (30 to 50% brakes). This way :
. incidence is increased (less risk of the leading edge going into ne-
gative incidence) ;
. the pendular effect will be damped in the transition ;
. the wing, in the case of a deflation, will reinflate immediately.
PARACHUTAL PHASE (DEEP STALL)
Even though it has never happened during the tests, should the phe-
nomenon arise, to put the wing back into normal flight one should
engage a moderate turn and then control the surge which follows by
applying adequate braking.
If this phenomenon does occur it is a sign of ageing and requires a
wing inspection. In the case of a deep stall close to the ground, it is
better to land with the hands high than to try to get out of the deep
stall.
CLOSURES
The reopening on this model is very generally spontaneous and im-
mediate. Even though the likelihood of this has not been shown du-
ring the tests, it cannot be excluded that after a massive closure
which causes a turn, if nothing is done, it could degenerate into au-
to-rotation . To correct for this the pilot should transfer his weight to
the inflated side and brake on the outside of the turn. Once the rota-
tion has been stopped, if the wing has not already reopened, pull on
both controls briefly and simultaneously to open it, without slowing
the wing excessively to avoid a stall.
