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Pipistrel Sinus 503 User Manual

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90
SINUS motorglider
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REV. 0
91
SINUS motorglider
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REV. 0
Appendix
Should you bounce o the runway after touch-down, do not, under any circumstances, push stick
forward or retract spoilers (airbrakes). Spoilers (airbrakes) stay fully extended, the stick stays where
it is. Bouncing tends to attenuate by itself anyhow.
Crosswind landings, depending on the windspeed, require some sort of drift correction. Most
ecient is the low-wing method, where you are to lower the wing into the wind slightly and main-
tain course by applying appropriate rudder deection. You can also try the crab method.
Crosswind landings on paved runways
(asphalt, concrete, tarmac...)
In this case, special attention must be paid to straightening the aircraft before touchdown in or-
der not to damage the undercarriage because of increased surface grip on impact.
Should the crosswind component be strong (15 km/h, 8 kts and over), I would recommend to gently
are in such a manner, that one of the main wheels touches-down an instant before the other
(e.g. if there is crosswind from your left, left wheel should touch down just before the right wheel
does). This way undercarriage almost cannot be damaged due to side forces on cross-touch-down.
Landing in strong turbulence and/or gusty winds
First of all airspeed must be increased for half of the value of wind gusts (e.g. if the wind is gusting
for 10 km/h (6 kts), add 5 km/h (3 kts) to the nal approach speed). In such conditions I would also
recommend to only use 1
st
stage of aps for increased manouvrebility.
Parking
Nothing special to add here. Taxi to the apron with aps in negative position (minimum lift) and
spoilers retracted. Again, taxi slow for reasons mentioned under Taxi”. Come to a standstill, shut
down the engine, insert the parachute rescue system activation handles safety pin, unlock and
leave the spoilers (airbrakes’) handle hanging down freely (this reduces stress to airbrake plate’s
springs and maintains their stiness).
Now that you have become familiar with the ying under engine power it is time to go soaring! Please see
next page to read about it.

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Pipistrel Sinus 503 Specifications

General IconGeneral
BrandPipistrel
ModelSinus 503
CategoryAircrafts
LanguageEnglish

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