| Takeoff |
OK |
| Landing |
Final
phase with good speed lack |
| Speed
range |
Brakes
only: 17 km/h Brakes and accessory: 29* km/h |
| Pitch
stability test |
The
whole wingspan stall, spontaneous return to normal flight |
| Brakes
parachuting test |
Spontaneous
return to normal flight, slight roll instability |
| B-stall,
slow release |
Progressive
return to normal flight |
| B-stall,
fast release |
Moderate
pitch, spontaneous return to normal flight |
| Ability
of turn, 360° |
OK,
within the admittable time range |
| Maneuverability
test |
Tendency
to accelerate after 90° turn, return to normal flight |
| Wing
over |
No
pressure lack |
| Asymmetrical
tuck |
Return
to normal flight with a 90° turn |
| Asymmetrical
tuck (maintained) |
Return
to normal flight with a 360° turn. Constant and powerful
acceleration |
| Negative
spin |
Spontaneous
return to normal flight |
| Asymmetrical
stall |
Spontaneous
return to normal flight |
| Symmetrical
tuck |
Spontaneous
return to normal flight in a straight line |
| Spiral
dive |
Return
to normal flight after a 360° turn |
