International Certificate2026
DELLA AURORAUSA 27
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles46.1°43.0°40.9°39.3°41.2°41.2°40.2°39.1°40.3°
Beat VMG2.713.854.675.195.445.615.725.815.72
52°4.275.866.897.637.928.078.178.278.27
60°4.596.177.217.878.178.338.458.598.60
75°4.836.387.488.048.428.708.899.169.28
90°4.816.507.678.278.658.909.209.7110.04
110°4.656.487.788.488.999.379.8710.7011.41
120°4.506.387.738.469.099.6910.1811.3112.63
135°4.025.727.168.118.749.4010.1712.1314.07
150°3.334.816.057.248.078.629.1810.7613.49
Run VMG2.884.175.246.277.027.507.969.3211.68
Gybe Angles139.6°142.9°146.6°146.6°152.5°153.7°151.9°145.2°143.6°
APH ToD:492.1CDL: 10.933APH ToT: 1.2192CertNo:US27-41
BOAT
ClassXR 41DesignerX-Yachts design groupBuilderX-YachtsAge date06/2026Series date12/2024Offset fileXR41.offData fileUS27-41
HULL
Length Overall12.747 mMaximum Beam4.180 mDraft2.396 mDisplacement7,057 kgDLR4.5207IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.065%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.440m
CREW
Maximum weight830 kg(declared)Minimum weight700 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail57.8159.10Headsail Luffed49.3949.39Headsail FlyingSymmetricAsymmetric189.51189.51 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail15.76Storm Jib14.79Heavy Weather Jib39.92
SAIL LIMITS
Headsails6Spinnakers5
STABILITY
Righting Moment 222.3 kg·m Stability Index 114.1
The owner and any other person in charge is responsible that boat is complying with her certificate in accordance with RRS 78.1 and ORC Rule 304.
ORC Ref  04560004VHW Issued on 21/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
DELLA AURORAUSA 27
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1326.4935.9770.7693.6662.3641.6629.2619.3629.5
52°843.5614.3522.6471.9454.4446.2440.8435.1435.3
60°783.6583.7499.7457.5440.5432.2426.3419.0418.8
75°744.6563.9481.2447.6427.6413.7404.7393.0387.9
90°748.6554.2469.2435.3416.0404.4391.3370.7358.7
110°775.0555.8462.8424.6400.3384.1364.8336.5315.4
120°799.2564.4465.8425.5395.9371.5353.7318.4285.1
135°896.2629.5502.8444.1412.0382.9353.9296.8255.9
150°1082.3748.4594.8497.6446.0417.4392.2334.6266.9
Run VMG1249.7864.2686.8574.5512.7479.8452.3386.3308.1
Selected Courses
Windward / Leeward1288.0900.0728.7634.1587.5560.7540.8502.8468.8
All purpose974.2692.8569.7507.7476.6456.8440.4411.8389.7
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward612.30.9799
All purpose492.11.2192
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1284.2896.5684.5571.5509.6474.2444.6392.5368.2
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8481
Downwind "popa"1.0615
70% up, 30% down "Ilhabela"0.9025
30% up, 70% down "Ilhabela-inverso"0.9870
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Predominantly Upwind538.31.1146
Predominantly Downwind493.81.2150
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP510.91.1744 Predom. Rc High384.41.5609 5B SF Bay L/M666.70.9000 TriNum AP Low631.30.9505 Predom. Dn Low757.10.7925 5B SF Bay Med576.71.0404 TriNum AP Med489.81.2250 Predom. Dn L/M558.31.0747 5B SF Bay M/H523.81.1454 TriNum AP High433.81.3832 Predom. Dn Med477.01.2579 5B SF Bay High489.31.2262 TriNum W/L Low852.30.7040 Predom. Dn M/H422.71.4195 5B AP Low698.30.8592 TriNum W/L Med608.10.9867 Predom. Dn High378.41.5854 5B AP L/M552.21.0865 TriNum W/L Hig531.51.1288 ChiMac Up Low677.80.8852 5B AP Med483.11.2419 Predom. Upwind559.61.0721 ChiMac Up Med611.60.9810 5B AP M/H441.41.3593 Predom. Reaching484.81.2376 ChiMac Up High534.41.1227 5B AP High413.01.4529 Predom. Downwind513.91.1676 ChiMac Off Low650.50.9223 5B W/L Low954.20.6288 Predom. Up Low771.70.7775 ChiMac Off Med573.51.0462 5B W/L L/M699.70.8575 Predom. Up L/M588.11.0203 ChiMac Off High480.71.2483 5B W/L Med598.61.0024 Predom. Up Med521.71.1500 ChiMac AP Low660.90.9078 5B W/L M/H541.61.1078 Predom. Up M/H486.51.2334 ChiMac AP Med590.31.0164 5B W/L High503.51.1916 Predom. Up High467.11.2845 ChiMac AP High506.21.1852 W/L 60-40 Low961.80.6238 Predom. Rc Low676.50.8869 BayMac Cove Island761.10.7883 W/L 60-40 L/M710.20.8449 Predom. Rc L/M515.41.1641 BayMac Shore755.20.7945 W/L 60-40 Med612.90.9790 Predom. Rc Med454.31.3206 Harvest Moon424.71.4127 W/L 60-40 M/H559.81.0718 Predom. Rc M/H414.41.4480 5B SF Bay Low806.10.7443 W/L 60-40 High527.41.1377      SA/DSPL Up28.95SA/DSPL Dn66.79
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1284.2896.5684.5571.5509.6474.2444.6392.5368.2
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1284.2896.5684.5571.5509.6474.2444.6392.5368.2
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance537.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1284.2896.5684.5571.5509.6474.2444.6392.5368.2
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating537.01.1172
FinRating, kevyt tuuli937.51.0667
FinRating, kova tuuli413.81.2083
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.1172
Triple Number Coastal/Long Distance Low0.9505
Triple Number Coastal/Long Distance Medium1.2251
Triple Number Coastal/Long Distance High1.3832
Triple Number Windward/Leeward Low0.7368
Triple Number Windward/Leeward Medium0.9867
Triple Number Windward/Leeward High1.1288
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1284.2896.5684.5571.5509.6474.2444.6392.5368.2
For information
General Purpose Handicap (GPH)552.1
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Saronikos S All Purpose562.41.0669
Saronikos S Upwind642.20.9343
Saronikos S Downwind462.91.2962
Saronikos N All Purpose590.81.0155
Saronikos N Upwind668.80.8972
Saronikos N Downwind510.21.1760
Saronikos SW All Purpose562.91.0659
Saronikos SW Upwind657.70.9122
Saronikos SW Downwind467.51.2833
Saronikos NE All Purpose610.30.9831
Saronikos NE Upwind625.50.9592
Saronikos NE Downwind573.11.0469
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1284.2896.5684.5571.5509.6474.2444.6392.5368.2
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose510.91.1744
5-Band All Purpose Low760.60.7888
5-Band All Purpose L/M571.41.0501
5-Band All Purpose Med498.51.2037
5-Band All Purpose M/H454.31.3208
5-Band All Purpose High423.01.4185
Single Number Predominant Upwind537.31.1168
Single Number Predominant Reaching467.21.2843
Single Number Predominant Downwind494.61.2130
5-Band 50-50 Windward/Leeward Low954.20.6288
5-Band 50-50 Windward/Leeward L/M699.70.8575
5-Band 50-50 Windward/Leeward Med598.61.0024
5-Band 50-50 Windward/Leeward M/H541.61.1078
5-Band 50-50 Windward/Leeward High503.51.1916
5-Band 60-40 Windward/Leeward Low961.80.6238
5-Band 60-40 Windward/Leeward L/M710.20.8449
5-Band 60-40 Windward/Leeward Med612.90.9790
5-Band 60-40 Windward/Leeward M/H559.81.0718
5-Band 60-40 Windward/Leeward High527.41.1377
Triple Number 50-50 Windward/Leeward Low852.30.7040
Triple Number 50-50 Windward/Leeward Med608.20.9866
Triple Number 50-50 Windward/Leeward High531.51.1288
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward626.50.9577
Triple Number 60-40 Windward/Leeward Low860.40.6973
Triple Number 60-40 Windward/Leeward Med621.90.9648
Triple Number 60-40 Windward/Leeward High550.91.0891
Triple Number All-Purpose Low684.10.8770
Triple Number All-Purpose Med505.41.1871
Triple Number All-Purpose High445.91.3455
Triple Number Predominant Upwind Low702.20.8545
Triple Number Predominant Upwind Med529.91.1323
Triple Number Predominant Upwind High487.11.2319
Triple Number Predominant Reaching Low615.30.9751
Triple Number Predominant Reaching Med468.91.2795
Triple Number Predominant Reaching High397.81.5082
Triple Number Predominant Downwind Low676.90.8864
Triple Number Predominant Downwind Med485.21.2367
Triple Number Predominant Downwind High401.31.4950
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1284.2896.5684.5571.5509.6474.2444.6392.5368.2
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1284.2896.5684.5571.5509.6474.2444.6392.5368.2
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low631.2
Triple Number Coastal/Long Distance Medium489.8
Triple Number Coastal/Long Distance High433.8
Triple Number Windward/Leeward Low814.3
Triple Number Windward/Leeward Medium608.1
Triple Number Windward/Leeward High531.5
Predominantly Upwind538.3
Predominantly Downwind493.8
Predominantly Reaching473.5
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1284.2896.5684.5571.5509.6474.2444.6392.5368.2
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9505
Triple Number Coastal/Long Distance Medium1.2251
Triple Number Coastal/Long Distance High1.3832
Triple Number Windward/Leeward Low0.7368
Triple Number Windward/Leeward Medium0.9867
Triple Number Windward/Leeward High1.1288
Coastal/Long Distance1.1172
Predominantly Upwind1.1146
Predominantly Downwind1.2150
For information
General Purpose Handicap (GPH)552.1
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.2192
Distanseseilas Trippeltall svak vind0.9505
Distanseseilas Trippeltall mellomvind1.2251
Distanseseilas Trippeltall sterk vind1.3832
Pølsebane Trippeltall svak vind0.7368
Pølsebane Trippeltall mellomvind0.9867
Pølsebane Trippeltall sterk vind1.1288
Motvind Singeltall1.1146
Medvind Singeltall1.2150
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Coastal/Long Distance537.01.1172
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind538.31.1146
Predominantly Downwind493.81.2150
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore479.01.2526
Cape Doctor Coastal396.41.5138
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9505
Triple Number Coastal/Long Distance Medium1.2251
Triple Number Coastal/Long Distance High1.3832
Triple Number Windward/Leeward Low0.7368
Triple Number Windward/Leeward Medium0.9867
Triple Number Windward/Leeward High1.1288
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.9505
Triple Number Coastal/Long Distance Medium1.2251
Triple Number Coastal/Long Distance High1.3832
Triple Number Windward/Leeward Low0.7368
Triple Number Windward/Leeward Medium0.9867
Triple Number Windward/Leeward High1.1288
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Predominantly Upwind538.31.1146
Predominantly Downwind493.81.2150
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1284.2896.5684.5571.5509.6474.2444.6392.5368.2
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance537.01.1172
Triple Number Coastal/Long Distance Low631.20.9505
Triple Number Coastal/Long Distance Medium489.81.2251
Triple Number Coastal/Long Distance High433.81.3832
Triple Number Windward/Leeward Low814.30.7368
Triple Number Windward/Leeward Medium608.10.9867
Triple Number Windward/Leeward High531.51.1288
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1284.2896.5684.5571.5509.6474.2444.6392.5368.2
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP510.91.1744 Predom. Dn High378.41.5854 5B AP M/H441.41.3593 TriNum AP Low631.30.9505 Predom. Rc Low676.50.8869 5B AP High413.01.4529 TriNum AP Med489.81.2250 Predom. Rc L/M515.41.1641 5B SF Bay Low806.10.7443 TriNum AP High433.81.3832 Predom. Rc Med454.31.3206 5B SF Bay L/M666.70.9000 TriNum W/L Low852.30.7040 Predom. Rc M/H414.41.4480 5B SF Bay Med576.71.0404 TriNum W/L Med608.10.9867 Predom. Rc High384.41.5609 5B SF Bay M/H523.81.1454 TriNum W/L Hig531.51.1288 5B W/L Low954.20.6288 5B SF Bay High489.31.2262 Predom. Upwind559.61.0721 5B W/L L/M699.70.8575 ChiMac Up Low677.80.8852 Predom. Reaching484.81.2376 5B W/L Med598.61.0024 ChiMac Up Med611.60.9810 Predom. Downwind513.91.1676 5B W/L M/H541.61.1078 ChiMac Up High534.41.1227 Predom. Up Low771.70.7775 5B W/L High503.51.1916 ChiMac Off Low650.50.9223 Predom. Up L/M588.11.0203 W/L 60-40 Low961.80.6238 ChiMac Off Med573.51.0462 Predom. Up Med521.71.1500 W/L 60-40 L/M710.20.8449 ChiMac Off High480.71.2483 Predom. Up M/H486.51.2334 W/L 60-40 Med612.90.9790 ChiMac AP Low660.90.9078 Predom. Up High467.11.2845 W/L 60-40 M/H559.81.0718 ChiMac AP Med590.31.0164 Predom. Dn Low757.10.7925 W/L 60-40 High527.41.1377 ChiMac AP High506.21.1852 Predom. Dn L/M558.31.0747 5B AP Low698.30.8592 BayMac Cove Island761.10.7883 Predom. Dn Med477.01.2579 5B AP L/M552.21.0865 BayMac Shore755.20.7945 Predom. Dn M/H422.71.4195 5B AP Med483.11.2419 Harvest Moon424.71.4127      SA/DSPL Up28.95SA/DSPL Dn66.79
ORC Ref  04560004VHW Issued on 21/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
DELLA AURORAUSA 27
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassXR 41Measurement13/07/2026HINDK-XYA41508H525Plan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall12.747Maximum beam4.180Draft2.396Displacement7,057Wetted area34.90IMS L11.698LSM011.599Accomod. length12.747Sink (kg/mm) 26.98
VCGD0.003VCGM0.013 RM Rated (kg·m) 222.3Limit of positive stability(°) 115.6 Stability Index 114.1 BLR index 0.0000Default crew weight851 Declared crew weight 830
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.440PBW0.115PIPA0.0038
EDL1.665ST10.062ST20.180
ST30.180ST40.109ST50.270
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P16.490IG16.999ISP18.296MDT10.127MDL10.271MDT20.110MDL20.193TL1.335MW0.210GO0.271
E5.460J5.373BAS1.834FSD0.038SFJ0.201SPLWPLTPS7.433BD0.255MWT199.00MCG5.428
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date13/07/2026
SFFP0.946FFM1.455FF1.458LCFcl7.196SG1.0160
SAFP12.675FAM1.017FA1.020LCFsh7.482HBI1.334
W1126.0W2126.0W3126.0W4126.0LCFD7.204
PD1235.5PD2236.8PD3233.7PD4232.4
WD5.208PLM9000.00GSA1.0RSA1.0RM220.3
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG3PVC waste tank stbd outboardWater3505.671.202Alloy fuel tank under stbd setteeFuel10676.570.001PVC water tank under port setteeWater20506.970.00Total deductible66.570.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG02Battery12V Li-Phos 200 Ah house battery CL189.690.0003Battery12V Exide 73 Ah Gp 27 AGM engine battery CL189.280.0001Engine (IC)Yanmar 3YM-30AeTotal deductible0
ORC Ref  04560004VHW Issued on 21/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
DELLA AURORAUSA 27
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentOffshore Main1.201.792.533.664.5457.8117/06/2025ODK111006-002
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentLight Jib0.100.881.552.884.115.2717.67YesNo 49.3921/05/2026OUS164681-002Med Jib0.100.871.562.884.105.2617.67YesNo 49.3307/04/2026ODK111006-001SS0.070.721.402.764.095.4015.50NoInner 42.4724/04/2026OUS164681-007Hvy Jib0.080.711.352.613.895.2115.02YesNo 39.3721/05/2026OUS164681-003GS0.080.430.811.602.403.2711.71NoInner 18.9822/05/2026OUS164681-008
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA221.4517.4919.4711.7811.28104%189.5127/05/2026OUS164681-004A421.2017.6019.4011.7311.35103%188.4123/05/2026OUS164681-005A019.4317.2618.356.718.9475%109.4022/05/2026OUS164681-006
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04560004VHW Issued on 21/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org