Club Certificate2025
AMBRAGER-48
ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
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 Angles44.9°44.9°42.5°41.2°40.8°40.4°40.2°40.3°41.4°
Beat VMG2.703.784.665.245.565.725.815.895.80
52°4.305.877.037.798.188.378.478.588.56
60°4.686.267.368.108.488.688.788.898.90
75°5.186.847.878.338.748.999.179.369.46
90°5.347.078.168.718.989.179.389.8010.07
110°5.116.878.088.779.229.609.9410.4510.79
120°4.796.537.808.619.139.579.9910.8211.52
135°4.065.666.988.058.759.269.7710.8512.20
150°3.254.695.997.118.008.588.989.7210.54
Run VMG2.814.065.196.166.937.437.788.799.55
Gybe Angles142.6°142.6°146.0°148.7°149.3°149.5°151.6°176.3°176.3°
APH ToD:486.6CDL: 12.378APH ToT: 1.2330CertNo:100906
BOAT
ClassSwan 48DesignerFrersBuilderOY Nautor ABAge date01/2021Series date04/2019Offset fileSWAN-48.offData file48-208
HULL
Length Overall14.767 mMaximum Beam4.564 mDraft2.425 mDisplacement15,205 kgDLR5.2927IMS DivisionCruiser/RacerDynamic Allowance0.320%Age Allowance0.195%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.508m
CREW
Maximum weight405 kg(declared)Minimum weight275 kg ✱ when appliedNon Manual PowerYesCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail71.0872.77Headsail Luffed61.0861.08Headsail Flying169.01169.01SymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail22.99Storm Jib21.64Heavy Weather Jib58.43
SAIL LIMITS
Headsails7Spinnakers0
✱ No spinnaker pole aboard
STABILITY
Righting MomentN/AStability IndexN/A
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.
Club Certificate2025
AMBRAGER-48
ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
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 VMG1332.1951.2772.1686.5647.3629.0619.1611.5620.7
52°836.4613.8512.2462.4440.0430.3424.9419.7420.6
60°769.8575.2488.9444.7424.4414.9410.1404.9404.4
75°695.2526.1457.4432.2412.0400.3392.8384.6380.7
90°673.7509.4441.0413.2400.7392.6384.0367.4357.7
110°704.1524.2445.6410.3390.5375.1362.3344.5333.8
120°751.1551.6461.3418.1394.4376.3360.3332.6312.4
135°887.8636.5515.5447.4411.4388.7368.6331.9295.2
150°1108.7768.0600.8506.5450.0419.4400.9370.4341.4
Run VMG1280.1886.8693.8584.9519.7484.3462.5409.5376.9
Selected Courses
Windward / Leeward1305.7919.0732.9635.7583.5556.6540.8510.5498.8
All purpose956.4689.5564.5501.7468.6450.3437.9418.0407.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward612.40.9798
All purpose486.61.2330
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance533.21.1252
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1391.2915.8686.0569.0502.5468.2441.9397.0384.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8542
Downwind "popa"1.0392
70% up, 30% down "Ilhabela"0.9024
30% up, 70% down "Ilhabela-inverso"0.9758
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Predominantly Upwind529.51.1331
Predominantly Downwind494.01.2146
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low627.00.9569
Triple Number AP Medium483.11.2419
Triple Number AP High433.51.3840
Triple Number Windward/Leeward Low864.30.6942
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Single Number Predominant Upwind552.21.0866
Single Number Predominant Reaching477.71.2560
Single Number Predominant Downwind515.91.1630
Predominant Upwind - Low768.10.7812
Predominant Upwind - Low/Med581.91.0311
Predominant Upwind - Medium512.01.1718
Predominant Upwind - Med/High479.11.2524
Predominant Upwind - High464.51.2917
Predominant Downwind Low758.30.7913
Predominant Downwind Low/Med558.71.0739
Predominant Downwind Medium475.71.2613
Predominant Downwind Med/High427.61.4030
Predominant Downwind High395.71.5161
Predominant Reaching Low661.00.9077
Predominant Reaching Low/Med506.21.1854
Predominant Reaching Medium446.41.3441
Predominant Reaching Med/High412.81.4536
Predominant Reaching High390.91.5348
SA/DSPL Upwind21.34SA/DSPL Downwind38.77
Scoring OptionTODTOT
5-Band Windward/Leeward Low969.30.6190
5-Band Windward/Leeward Low/Med704.00.8523
5-Band Windward/Leeward Medium596.61.0057
5-Band Windward/Leeward Med/High541.91.1072
5-Band Windward/Leeward High513.71.1680
Windward/Leeward 60-40 Low975.70.6149
Windward/Leeward 60-40 Low/Med713.20.8413
Windward/Leeward 60-40 Medium609.00.9852
Windward/Leeward 60-40 Med/High557.91.0755
Windward/Leeward 60-40 High533.81.1239
5-Band AP Low687.80.8723
5-Band AP Low/Med546.61.0976
5-Band AP Medium476.51.2592
5-Band AP Med/High439.21.3661
5-Band AP High419.61.4301
5-Band SF Bay Tour - Low831.50.7216
5-Band SF Bay Tour - Low/Med671.90.8930
5-Band SF Bay Tour - Medium573.61.0461
5-Band SF Bay Tour - Med/High523.91.1452
5-Band SF Bay Tour - High499.51.2012
Chicago-Mac Upwind1.0527
Chicago-Mac All Purpose1.0915
Chicago-Mac Downwind1.1204
Bayview-Mac Cove Island0.7891
Bayview-Mac Shore0.7963
Harvest Moon Regatta418.11.4351
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance533.21.1252
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1391.2915.8686.0569.0502.5468.2441.9397.0384.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance533.21.1252
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1391.2915.8686.0569.0502.5468.2441.9397.0384.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance533.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1391.2915.8686.0569.0502.5468.2441.9397.0384.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating533.21.1252
FinRating, kevyt tuuli946.01.0570
FinRating, kova tuuli422.31.1841
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.1252
Triple Number Coastal/Long Distance Low0.9569
Triple Number Coastal/Long Distance Medium1.2421
Triple Number Coastal/Long Distance High1.3840
Triple Number Windward/Leeward Low0.7264
Triple Number Windward/Leeward Medium0.9891
Triple Number Windward/Leeward High1.1249
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1391.2915.8686.0569.0502.5468.2441.9397.0384.6
For information
General Purpose Handicap (GPH)546.6
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance533.21.1252
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1391.2915.8686.0569.0502.5468.2441.9397.0384.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance533.21.1252
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1391.2915.8686.0569.0502.5468.2441.9397.0384.6
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance533.21.1252
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1391.2915.8686.0569.0502.5468.2441.9397.0384.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low627.0
Triple Number Coastal/Long Distance Medium483.1
Triple Number Coastal/Long Distance High433.5
Triple Number Windward/Leeward Low826.0
Triple Number Windward/Leeward Medium606.6
Triple Number Windward/Leeward High533.4
Predominantly Upwind529.5
Predominantly Downwind494.0
Predominantly Reaching469.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance533.21.1252
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1391.2915.8686.0569.0502.5468.2441.9397.0384.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9569
Triple Number Coastal/Long Distance Medium1.2421
Triple Number Coastal/Long Distance High1.3840
Triple Number Windward/Leeward Low0.7264
Triple Number Windward/Leeward Medium0.9891
Triple Number Windward/Leeward High1.1249
Coastal/Long Distance1.1252
Predominantly Upwind1.1331
Predominantly Downwind1.2146
For information
General Purpose Handicap (GPH)546.6
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.2330
Distanseseilas Trippeltall svak vind0.9569
Distanseseilas Trippeltall mellomvind1.2421
Distanseseilas Trippeltall sterk vind1.3840
Pølsebane Trippeltall svak vind0.7264
Pølsebane Trippeltall mellomvind0.9891
Pølsebane Trippeltall sterk vind1.1249
Motvind Singeltall1.1331
Medvind Singeltall1.2146
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Coastal/Long Distance533.21.1252
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind529.51.1331
Predominantly Downwind494.01.2146
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore502.31.1945
Cape Doctor Coastal410.41.4622
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9569
Triple Number Coastal/Long Distance Medium1.2421
Triple Number Coastal/Long Distance High1.3840
Triple Number Windward/Leeward Low0.7264
Triple Number Windward/Leeward Medium0.9891
Triple Number Windward/Leeward High1.1249
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9569
Triple Number Coastal/Long Distance Medium1.2421
Triple Number Coastal/Long Distance High1.3840
Triple Number Windward/Leeward Low0.7264
Triple Number Windward/Leeward Medium0.9891
Triple Number Windward/Leeward High1.1249
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance533.21.1252
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Predominantly Upwind529.51.1331
Predominantly Downwind494.01.2146
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1391.2915.8686.0569.0502.5468.2441.9397.0384.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance533.21.1252
Triple Number Coastal/Long Distance Low627.00.9569
Triple Number Coastal/Long Distance Medium483.11.2421
Triple Number Coastal/Long Distance High433.51.3840
Triple Number Windward/Leeward Low826.00.7264
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1391.2915.8686.0569.0502.5468.2441.9397.0384.6
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low627.00.9569
Triple Number AP Medium483.11.2419
Triple Number AP High433.51.3840
Triple Number Windward/Leeward Low864.30.6942
Triple Number Windward/Leeward Medium606.60.9891
Triple Number Windward/Leeward High533.41.1249
Single Number Predominant Upwind552.21.0866
Single Number Predominant Reaching477.71.2560
Single Number Predominant Downwind515.91.1630
Predominant Upwind - Low768.10.7812
Predominant Upwind - Low/Med581.91.0311
Predominant Upwind - Medium512.01.1718
Predominant Upwind - Med/High479.11.2524
Predominant Upwind - High464.51.2917
Predominant Downwind Low758.30.7913
Predominant Downwind Low/Med558.71.0739
Predominant Downwind Medium475.71.2613
Predominant Downwind Med/High427.61.4030
Predominant Downwind High395.71.5161
Predominant Reaching Low661.00.9077
Predominant Reaching Low/Med506.21.1854
Predominant Reaching Medium446.41.3441
Predominant Reaching Med/High412.81.4536
Predominant Reaching High390.91.5348
SA/DSPL Upwind21.34SA/DSPL Downwind38.77
Scoring OptionTODTOT
5-Band Windward/Leeward Low969.30.6190
5-Band Windward/Leeward Low/Med704.00.8523
5-Band Windward/Leeward Medium596.61.0057
5-Band Windward/Leeward Med/High541.91.1072
5-Band Windward/Leeward High513.71.1680
Windward/Leeward 60-40 Low975.70.6149
Windward/Leeward 60-40 Low/Med713.20.8413
Windward/Leeward 60-40 Medium609.00.9852
Windward/Leeward 60-40 Med/High557.91.0755
Windward/Leeward 60-40 High533.81.1239
5-Band AP Low687.80.8723
5-Band AP Low/Med546.61.0976
5-Band AP Medium476.51.2592
5-Band AP Med/High439.21.3661
5-Band AP High419.61.4301
5-Band SF Bay Tour - Low831.50.7216
5-Band SF Bay Tour - Low/Med671.90.8930
5-Band SF Bay Tour - Medium573.61.0461
5-Band SF Bay Tour - Med/High523.91.1452
5-Band SF Bay Tour - High499.51.2012
Chicago-Mac Upwind1.0527
Chicago-Mac All Purpose1.0915
Chicago-Mac Downwind1.1204
Bayview-Mac Cove Island0.7891
Bayview-Mac Shore0.7963
Harvest Moon Regatta418.11.4351
Club Certificate2025
AMBRAGER-48
ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSwan 48Measurement21/09/2020HIN48-208Plan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA14.767Max. Beam4.564Draft2.425Displacement15,205Wetted area49.75IMS L14.112LSM014.214Acc. length14.767Sink (kg/mm) 38.45
VCGD0.200VCGM0.088RM Rated (kg·m) 452.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight1,137Declared crew weight405
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.508PBWPIPA0.0042
EDL3.100ST10.065ST20.180
ST30.180ST40.110ST50.310
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P19.900IG20.700ISP22.000MDT10.158MDL10.330MDT20.158MDL20.260TL1.090MW0.310GO0.338
E6.600J5.660BAS1.920FSD0.048SFJ0.420SPLWPLTPS6.880BD0.480MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.200Flotation Date18/07/2022
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
AMBRAGER-48
ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.251.102.103.705.1071.0809/10/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentC0.543.004.507.509.5010.8825.15NoYes0169.0103/09/2022A0.100.801.482.954.506.0320.35NoNo 61.0810/08/2020
CRUISER/RACER REQUIREMENTS*
Accommodation length14.8 mTable area0.66 m²Headroom1.90 mMinimum number of berths6Personal gear stowage0.24 m³Fresh water capacity264 lMinimum number of seats in cockpit6Food stowage0.36 m³Fuel capacity146 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.