Flight test report: EN 926-2:2013
Manufacturer

AirDesignCertification number

PG_1033.2016

Address

Rhombergstraße 9, 4.Stock Date of flight test
6067 AbsamAustria

01. 03. 2016

Glider model

UFO 21Classification

B

Serial number

UFO212PP154227

Representative

NoneTrimmer

noPlace of test

Villeneuve

Test pilot

Thurnheer Claude

Bourdilloud ElieHarness

Flugsau - XX-LiteNiviuk - Hamak M

Harness to risers distance (cm)4044

Distance between risers (cm)4044

Total weight in flight (kg)7590

1. Inflation/Take-offA

Rising behaviour

Smooth, easy and constant rising ASmooth, easy and constant risingA

Special take off technique required

NoANoA

2. Landing

ASpecial landing technique required

NoANoA

3. Speed in straight flightA

Trim speed more than 30 km/h

Yes

AYes

A

Speed range using the controls larger than 10 km/h

Yes

A

Yes

A

Minimum speedLess than 25 km/h

A

Less than 25 km/h

A

4. Control movement

A

Increasing / greater than 55 cm

A

not available

0

not available

0

Increasing / greater than 60 cm

A

Symmetric control pressure / travel

not available

0not available

0

5. Pitch stability exiting accelerated flightA

Dive forward angle on exit

Dive forward less than 30°

A

Dive forward less than 30°

A

Collapse occurs

NoANo

A

6. Pitch stability operating controls during acceleratedflightA

Collapse occurs

NoANo

A

7. Roll stability and damping

AOscillations

Reducing

A

Reducing

A

8. Stability in gentle spirals

A

Tendency to return to straight flight

Spontaneous exit

ASpontaneous exitA

9. Behaviour exiting a fully developed spiral diveA

Initial response of glider (first 180°)

Immediate reduction of rate ofturnA

Immediate reduction of rate of turnA

Tendency to return to straight flight

Spontaneous exit (g force
decreasing, rate of turndecreasing)

ASpontaneous exit (g forcedecreasing, rate of turn decreasing)

ATurn angle to recover normal flightLess than 720°, spontaneousrecoveryA

Less than 720°, spontaneousrecoveryA

Max. weight in flight up to 80 kg
Symmetric control pressure / travel
Max. weight in flight 80 kg to 100 kg
Symmetric control pressure / travel
Max. weight in flight greater than 100 kg

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10. Symmetric front collapse

BApproximately 30 % chord
Entry

Rocking back less than 45°

A

Rocking back less than 45°

ARecovery

Spontaneous in less than 3 s

ASpontaneous in less than 3 sADive forward angle on exit Change of course

Dive forward 0° to 30° Keepingcourse

A

Dive forward 0° to 30° KeepingcourseA

Cascade occurs

NoANoA

Folding lines usedNoA

NoA

Entry

Rocking back less than 45°

A

Rocking back less than 45°

ARecovery

Spontaneous in less than 3 s

ASpontaneous in 3 s to 5 s

BDive forward angle on exit / Change of course

Dive forward 0° to 30° / Keepingcourse

A

Dive forward 0° to 30° / KeepingcourseA

Cascade occurs

NoANo

A

Folding lines usedNoANo

A

Entry

Rocking back less than 45°

A

Rocking back less than 45°

A

Recovery

Spontaneous in less than 3 s

ASpontaneous in less than 3 sADive forward angle on exit / Change of course

Dive forward 0° to 30° / Keeping
courseA

Dive forward 0° to 30° / Keeping
courseA

Cascade occurs

NoANoA

Folding lines usedNoANo

A

11. Exiting deep stall (parachutal stall)

ADeep stall achieved

YesAYesARecovery

Spontaneous in less than 3 s

ASpontaneous in less than 3 sADive forward angle on exit

Dive forward 0° to 30°

A

Dive forward 0° to 30°

A

Change of course

Changing course less than 45°

A

Changing course less than 45°

A

Cascade occurs

NoANo

A

12. High angle of attack recovery

ARecovery

Spontaneous in less than 3 s

ASpontaneous in less than 3 s

ACascade occurs

NoANoA

13. Recovery from a developed full stall

B

Dive forward angle on exit

Dive forward 30° to 60°

BDive forward 30° to 60°

BCollapse

No collapse

ANo collapse

ACascade occurs (other than collapses)

NoANoARocking backLess than 45°

A

Less than 45°

ALine tension

Most lines tight

A

Most lines tightA

14. Asymmetric collapse

BAt least 50% chord

With accelerator

Small asymmetric collapse
Change of course until re-inflation / Maximum dive forward orroll angle

Less than 90° / Dive or roll angle
15° to 45°

A

Less than 90° / Dive or roll angle
15° to 45°ARe-inflation behaviour

Spontaneous re-inflation

ASpontaneous re-inflation

ATotal change of course

Less than 360°

A

Less than 360°

ACollapse on the opposite side occurs

No (or only a small number ofcollapsed cells with aspontaneous reinflation)

ANo (or only a small number ofcollapsed cells with a spontaneousreinflation)

ATwist occurs

NoANo

A

Cascade occurs

NoA

No

A

Folding lines usedNoANo

A

Change of course until re-inflation / Maximum dive forward orroll angle

Less than 90° / Dive or roll angle
15° to 45°

A90° to 180° / Dive or roll angle 15°
to 45°

B

Re-inflation behaviour

Spontaneous re-inflation

A

Spontaneous re-inflation

ATotal change of course

Less than 360°

A

Less than 360°

A

Large asymmetric collapse

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Collapse on the opposite side occurs

No (or only a small number ofcollapsed cells with aspontaneous reinflation)

ANo (or only a small number ofcollapsed cells with a spontaneousreinflation)

ATwist occurs

NoANoA

Cascade occurs

NoANoAFolding lines usedNoANoAChange of course until re-inflation / Maximum dive forward orroll angle

Less than 90° / Dive or roll angle
15° to 45°

A

Less than 90° / Dive or roll angle
15° to 45°

ARe-inflation behaviour

Spontaneous re-inflation

ASpontaneous re-inflation

ATotal change of course

Less than 360°

A

Less than 360°

A

Collapse on the opposite side occurs

No (or only a small number ofcollapsed cells with aspontaneous reinflation)

ANo (or only a small number ofcollapsed cells with a spontaneousreinflation)

ATwist occurs

NoANoA

Cascade occurs

NoANo

A

Folding lines usedNoANo

A

Change of course until re-inflation / Maximum dive forward orroll angle

Less than 90° / Dive or roll angle
15° to 45°A

90° to 180° / Dive or roll angle 15°to 45°

B

Re-inflation behaviour

Spontaneous re-inflation

ASpontaneous re-inflation

ATotal change of course

Less than 360°

A

Less than 360°

A

Collapse on the opposite side occurs

No (or only a small number ofcollapsed cells with aspontaneous reinflation)

ANo (or only a small number ofcollapsed cells with a spontaneousreinflation)

ATwist occurs

NoANo

ACascade occurs

NoANo

A

Folding lines usedNoANoA

15. Directional control with a maintained asymmetriccollapseA

Able to keep course

Yes

AYes

A

180° turn away from the collapsed side possible in 10 s

Yes

A

Yes

A

Amount of control range between turn and stall or spin

More than 50 % of thesymmetric control travel

AMore than 50 % of the symmetriccontrol travel

A

16. Trim speed spin tendency

ASpin occurs

NoANo

A

17. Low speed spin tendency

ASpin occurs

NoANoA

18. Recovery from a developed spin

ASpin rotation angle after release

Stops spinning in less than 90°

A

Stops spinning in less than 90°

A

Cascade occurs

NoANo

A

19. B-line stallA

Change of course before release

Changing course less than 45°

A

Changing course less than 45°

ABehaviour before release

Remains stable with straightspanA

Remains stable with straight spanARecovery

Spontaneous in less than 3 sA

Spontaneous in less than 3 sADive forward angle on exit

Dive forward 0° to 30°

A

Dive forward 0° to 30°

A

Cascade occurs

NoANo

A

20. Big ears

B

Entry procedure

Dedicated controls

A

Standard technique

ABehaviour during big ears

Stable flightA

Stable flightA

RecoveryRecovery through pilot action inless than a further 3 s

BRecovery through pilot action inless than a further 3 s

BDive forward angle on exit

Dive forward 0° to 30°

A

Dive forward 0° to 30°

A

21. Big ears in accelerated flight

B

Entry procedure

Dedicated controls

A

Standard technique

ABehaviour during big ears

Stable flightA

Stable flight

ARecovery

Recovery through pilot action inless than a further 3 s

BRecovery through pilot action inless than a further 3 s

BSmall asymmetric collapse with fully activated accelerator

Large asymmetric collapse with fully activated accelerator

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Dive forward angle on exit

Dive forward 0° to 30°

A

Dive forward 0° to 30°

ABehaviour immediately after releasing the accelerator while
maintaining big ears

Stable flight

AStable flightA

22. Alternative means of directional control

A

180° turn achievable in 20 sYesAYes

AStall or spin occurs

NoANoA

23. Any other flight procedure and/or configuration
described in the user's manual0

Procedure works as described

not available

0

not available

0

Procedure suitable for novice pilots

not available

0

not available

0

Cascade occurs

not available

0

not available

0

24. Comments of test pilot
Comments

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