Non Spin/HSFClub Certificate2026
MAYFLOWERÖ-10 N-1
Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
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 Angles44.5°41.0°38.9°38.2°38.1°37.8°37.6°37.5°37.8°
Beat VMG2.393.313.914.284.484.594.674.784.81
52°3.694.895.666.126.396.536.616.716.76
60°3.925.095.856.316.586.726.816.916.96
75°4.075.225.986.466.746.927.047.197.28
90°3.935.135.936.466.787.007.177.447.66
110°3.344.635.576.256.696.987.217.637.82
120°3.084.395.356.086.596.907.157.648.05
135°2.633.874.855.636.246.676.967.457.94
150°2.193.294.265.075.756.296.687.207.69
Run VMG1.902.853.704.455.145.756.266.927.38
Gybe Angles142.2°147.1°152.8°161.9°172.1°177.2°179.5°179.9°179.9°
APH ToD:638.7CDL: 7.574APH ToT: 0.9394CertNo:02151
BOAT
ClassBaltic 10DesignerTore HolmBuilderGamleby YachtvarvAge date01/1949Series date01/1947Offset fileO10N1-.offData fileO10N1
HULL
Length Overall11.686 mMaximum Beam2.550 mDraft2.115 mDisplacement6,909 kgDLR14.0718IMS DivisionCruiser/RacerDynamic Allowance0.640%Age Allowance0.650%RS Assessment-0.254%
PROPELLER
InstallationShaft non exposedTypeFolding 2 bladesDiameter0.385m
CREW
Maximum weight380 kg(declared)Minimum weight250 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail32.8633.32Headsail Luffed35.2835.28Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail10.10Storm Jib8.54Heavy Weather Jib23.05
SAIL LIMITS
Headsails5
✱ Zero set flying
✱ Woven polyester sails
Spinnakers0
✱ Spinnaker pole aboard
STABILITY
Righting Moment 74.0 kg·m Stability Index 168.0
COMMENTS
Weighted by measurer.
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  03420004UPM Issued on 05/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MAYFLOWERÖ-10 N-1
Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
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 VMG1506.81089.0920.0840.9804.2783.6770.3753.8748.2
52°974.8736.0636.5587.9563.4551.7544.4536.4532.2
60°917.5706.9615.7570.3547.4535.3528.7521.2517.1
75°885.6689.1601.6557.1534.1520.6511.3501.0494.6
90°915.9701.6606.9557.5530.9514.3502.2484.1469.9
110°1078.2778.3646.7575.8537.8515.9499.1472.0460.1
120°1168.2820.9673.4591.9546.5521.4503.4471.2446.9
135°1369.8930.9742.6639.4576.6539.7517.4483.4453.7
150°1642.51094.0844.6710.7626.6572.0538.5500.3468.0
Run VMG1896.61263.2972.9808.3700.9626.5575.4520.5487.9
Selected Courses
Windward / Leeward1701.71176.1946.5824.6752.5705.1672.9637.2618.0
All purpose1274.4906.2746.8663.1615.8586.9567.8543.7528.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward784.30.7650
All purpose638.70.9394
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance695.90.8622
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1721.21184.8894.2745.7657.6609.2574.1522.4505.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7045
Downwind "popa"0.7681
70% up, 30% down "Ilhabela"0.7225
30% up, 70% down "Ilhabela-inverso"0.7479
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Predominantly Upwind678.10.8848
Predominantly Downwind664.60.9028
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP663.80.9039 Predom. Rc High518.91.1564 5B SF Bay L/M863.00.6953 TriNum AP Low826.50.7259 Predom. Dn Low1056.10.5681 5B SF Bay Med739.80.8111 TriNum AP Med635.40.9443 Predom. Dn L/M764.20.7851 5B SF Bay M/H665.40.9018 TriNum AP High563.61.0646 Predom. Dn Med638.70.9394 5B SF Bay High631.70.9499 TriNum W/L Low1113.10.5390 Predom. Dn M/H561.61.0683 5B AP Low930.90.6445 TriNum W/L Med780.80.7684 Predom. Dn High524.71.1436 5B AP L/M721.50.8317 TriNum W/L Hig667.60.8988 ChiMac Up Low845.60.7096 5B AP Med625.80.9588 Predom. Upwind702.80.8538 ChiMac Up Med766.00.7833 5B AP M/H571.01.0507 Predom. Reaching638.40.9399 ChiMac Up High673.30.8911 5B AP High545.21.1005 Predom. Downwind698.50.8590 ChiMac Off Low898.00.6681 5B W/L Low1250.10.4800 Predom. Up Low957.40.6267 ChiMac Off Med784.50.7648 5B W/L L/M908.70.6603 Predom. Up L/M740.10.8107 ChiMac Off High651.80.9206 5B W/L Med766.00.7832 Predom. Up Med657.00.9133 ChiMac AP Low865.70.6931 5B W/L M/H679.00.8837 Predom. Up M/H612.40.9797 ChiMac AP Med770.80.7784 5B W/L High640.00.9374 Predom. Up High592.31.0129 ChiMac AP High659.70.9094 W/L 60-40 Low1230.30.4877 Predom. Rc Low894.90.6705 BayMac Cove Island998.60.6009 W/L 60-40 L/M906.90.6616 Predom. Rc L/M681.30.8807 BayMac Shore986.70.6081 W/L 60-40 Med775.60.7736 Predom. Rc Med594.21.0098 Harvest Moon564.71.0626 W/L 60-40 M/H697.70.8599 Predom. Rc M/H544.01.1030 5B SF Bay Low1042.60.5755 W/L 60-40 High663.20.9047      SA/DSPL Up18.66SA/DSPL Dn18.66
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance695.90.8622
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1721.21184.8894.2745.7657.6609.2574.1522.4505.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance695.90.8622
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1721.21184.8894.2745.7657.6609.2574.1522.4505.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance695.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1721.21184.8894.2745.7657.6609.2574.1522.4505.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating695.90.8622
FinRating, kevyt tuuli1236.30.8089
FinRating, kova tuuli548.90.9110
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8622
Triple Number Coastal/Long Distance Low0.7259
Triple Number Coastal/Long Distance Medium0.9444
Triple Number Coastal/Long Distance High1.0646
Triple Number Windward/Leeward Low0.5654
Triple Number Windward/Leeward Medium0.7684
Triple Number Windward/Leeward High0.8988
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1721.21184.8894.2745.7657.6609.2574.1522.4505.4
For information
General Purpose Handicap (GPH)718.0
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance695.90.8622
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Saronikos S All Purpose714.10.8402
Saronikos S Upwind777.50.7717
Saronikos S Downwind651.50.9209
Saronikos N All Purpose754.50.7952
Saronikos N Upwind805.40.7450
Saronikos N Downwind721.20.8319
Saronikos SW All Purpose723.30.8295
Saronikos SW Upwind794.40.7553
Saronikos SW Downwind668.50.8976
Saronikos NE All Purpose793.10.7565
Saronikos NE Upwind758.70.7908
Saronikos NE Downwind821.40.7304
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1721.21184.8894.2745.7657.6609.2574.1522.4505.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose663.80.9039
5-Band All Purpose Low999.20.6005
5-Band All Purpose L/M748.50.8016
5-Band All Purpose Med645.70.9293
5-Band All Purpose M/H585.61.0247
5-Band All Purpose High557.21.0768
Single Number Predominant Upwind675.90.8877
Single Number Predominant Reaching613.70.9777
Single Number Predominant Downwind666.10.9007
5-Band 50-50 Windward/Leeward Low1250.10.4800
5-Band 50-50 Windward/Leeward L/M908.70.6603
5-Band 50-50 Windward/Leeward Med766.00.7832
5-Band 50-50 Windward/Leeward M/H679.00.8837
5-Band 50-50 Windward/Leeward High640.00.9374
5-Band 60-40 Windward/Leeward Low1230.30.4877
5-Band 60-40 Windward/Leeward L/M906.90.6616
5-Band 60-40 Windward/Leeward Med775.60.7736
5-Band 60-40 Windward/Leeward M/H697.70.8599
5-Band 60-40 Windward/Leeward High663.20.9047
Triple Number 50-50 Windward/Leeward Low1113.10.5390
Triple Number 50-50 Windward/Leeward Med780.90.7683
Triple Number 50-50 Windward/Leeward High667.50.8988
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward792.90.7567
Triple Number 60-40 Windward/Leeward Low1099.90.5455
Triple Number 60-40 Windward/Leeward Med789.00.7605
Triple Number 60-40 Windward/Leeward High687.50.8727
Triple Number All-Purpose Low898.30.6679
Triple Number All-Purpose Med656.20.9144
Triple Number All-Purpose High577.41.0392
Triple Number Predominant Upwind Low880.30.6816
Triple Number Predominant Upwind Med668.50.8976
Triple Number Predominant Upwind High610.50.9828
Triple Number Predominant Reaching Low812.70.7382
Triple Number Predominant Reaching Med612.00.9804
Triple Number Predominant Reaching High527.71.1371
Triple Number Predominant Downwind Low935.90.6411
Triple Number Predominant Downwind Med654.60.9166
Triple Number Predominant Downwind High542.71.1057
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance695.90.8622
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1721.21184.8894.2745.7657.6609.2574.1522.4505.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance695.90.8622
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1721.21184.8894.2745.7657.6609.2574.1522.4505.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low826.6
Triple Number Coastal/Long Distance Medium635.3
Triple Number Coastal/Long Distance High563.6
Triple Number Windward/Leeward Low1061.2
Triple Number Windward/Leeward Medium780.8
Triple Number Windward/Leeward High667.6
Predominantly Upwind678.1
Predominantly Downwind664.6
Predominantly Reaching629.5
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance695.90.8622
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1721.21184.8894.2745.7657.6609.2574.1522.4505.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7259
Triple Number Coastal/Long Distance Medium0.9444
Triple Number Coastal/Long Distance High1.0646
Triple Number Windward/Leeward Low0.5654
Triple Number Windward/Leeward Medium0.7684
Triple Number Windward/Leeward High0.8988
Coastal/Long Distance0.8622
Predominantly Upwind0.8848
Predominantly Downwind0.9028
For information
General Purpose Handicap (GPH)718.0
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9394
Distanseseilas Trippeltall svak vind0.7259
Distanseseilas Trippeltall mellomvind0.9444
Distanseseilas Trippeltall sterk vind1.0646
Pølsebane Trippeltall svak vind0.5654
Pølsebane Trippeltall mellomvind0.7684
Pølsebane Trippeltall sterk vind0.8988
Motvind Singeltall0.8848
Medvind Singeltall0.9028
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Coastal/Long Distance695.90.8622
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind678.10.8848
Predominantly Downwind664.60.9028
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore623.80.9619
Cape Doctor Coastal532.81.1260
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7259
Triple Number Coastal/Long Distance Medium0.9444
Triple Number Coastal/Long Distance High1.0646
Triple Number Windward/Leeward Low0.5654
Triple Number Windward/Leeward Medium0.7684
Triple Number Windward/Leeward High0.8988
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7259
Triple Number Coastal/Long Distance Medium0.9444
Triple Number Coastal/Long Distance High1.0646
Triple Number Windward/Leeward Low0.5654
Triple Number Windward/Leeward Medium0.7684
Triple Number Windward/Leeward High0.8988
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance695.90.8622
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Predominantly Upwind678.10.8848
Predominantly Downwind664.60.9028
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1721.21184.8894.2745.7657.6609.2574.1522.4505.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance695.90.8622
Triple Number Coastal/Long Distance Low826.60.7259
Triple Number Coastal/Long Distance Medium635.30.9444
Triple Number Coastal/Long Distance High563.61.0646
Triple Number Windward/Leeward Low1061.20.5654
Triple Number Windward/Leeward Medium780.80.7684
Triple Number Windward/Leeward High667.60.8988
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1721.21184.8894.2745.7657.6609.2574.1522.4505.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP663.80.9039 Predom. Dn High524.71.1436 5B AP M/H571.01.0507 TriNum AP Low826.50.7259 Predom. Rc Low894.90.6705 5B AP High545.21.1005 TriNum AP Med635.40.9443 Predom. Rc L/M681.30.8807 5B SF Bay Low1042.60.5755 TriNum AP High563.61.0646 Predom. Rc Med594.21.0098 5B SF Bay L/M863.00.6953 TriNum W/L Low1113.10.5390 Predom. Rc M/H544.01.1030 5B SF Bay Med739.80.8111 TriNum W/L Med780.80.7684 Predom. Rc High518.91.1564 5B SF Bay M/H665.40.9018 TriNum W/L Hig667.60.8988 5B W/L Low1250.10.4800 5B SF Bay High631.70.9499 Predom. Upwind702.80.8538 5B W/L L/M908.70.6603 ChiMac Up Low845.60.7096 Predom. Reaching638.40.9399 5B W/L Med766.00.7832 ChiMac Up Med766.00.7833 Predom. Downwind698.50.8590 5B W/L M/H679.00.8837 ChiMac Up High673.30.8911 Predom. Up Low957.40.6267 5B W/L High640.00.9374 ChiMac Off Low898.00.6681 Predom. Up L/M740.10.8107 W/L 60-40 Low1230.30.4877 ChiMac Off Med784.50.7648 Predom. Up Med657.00.9133 W/L 60-40 L/M906.90.6616 ChiMac Off High651.80.9206 Predom. Up M/H612.40.9797 W/L 60-40 Med775.60.7736 ChiMac AP Low865.70.6931 Predom. Up High592.31.0129 W/L 60-40 M/H697.70.8599 ChiMac AP Med770.80.7784 Predom. Dn Low1056.10.5681 W/L 60-40 High663.20.9047 ChiMac AP High659.70.9094 Predom. Dn L/M764.20.7851 5B AP Low930.90.6445 BayMac Cove Island998.60.6009 Predom. Dn Med638.70.9394 5B AP L/M721.50.8317 BayMac Shore986.70.6081 Predom. Dn M/H561.61.0683 5B AP Med625.80.9588 Harvest Moon564.71.0626      SA/DSPL Up18.66SA/DSPL Dn18.66
ORC Ref  03420004UPM Issued on 05/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MAYFLOWERÖ-10 N-1
Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBaltic 10Measurement11/07/2023HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall11.686Maximum beam2.550Draft2.115Displacement6,909Wetted area26.62IMS L8.251LSM07.888Accomod. length8.287Sink (kg/mm) 13.79
VCGD-0.375VCGM-0.385 RM Rated (kg·m) 74.0Limit of positive stability(°) 161.8 Stability Index 168.0 BLR index 0.0000Default crew weight491 Declared crew weight 380
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft non exposedTwin screwNoHydro generatorNo
PRD0.385PBW0.100PIPA0.0005
PSDPHDPHL
PSAESL
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysNoSpreaders2Rotating mastNo
P13.080IG13.065ISPMDT10.015MDL10.184MDT2MDL2TLTaperMWGO
E4.410J4.260BAS1.495FSDFoilSFJSPL4.050WPLTPSBD0.125MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date11/07/2023MeasurerGRE-34
SFFP0.607FFM0.763FF0.763LCFcl6.199SG1.0254
SAFP10.866FAM0.862FA0.862LCFsh6.328HBI0.860
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG2Fuel, Galvanized, PortFuel10008.110.001Water, Plastic, PortWater2007.110.00Total deductible0
OTHER ITEMSIdKindDescriptionWeightLCGVCG4MiscellaneousFridge INDEL WEBASTO 1085BA1AA0000C Starboard226.510.003Battery100Ah Closed cell, Motor, Starboard247.81-0.202Battery128Ah Lithium, Service, Starboard155.26-0.301Engine (IC)YANMAR 3YM30AE1278.11-0.20Total deductible0
ORC Ref  03420004UPM Issued on 05/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Non Spin/HSFClub Certificate2026
MAYFLOWERÖ-10 N-1
Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.150.831.512.663.6032.8607/11/202320.150.771.412.553.6032.1625/06/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.040.681.332.754.315.9812.32NoNo 35.2826/06/2024
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length8.3 mTable area0.33 m²Headroom1.40 mMinimum number of berths3Personal gear stowage0.12 m³Fresh water capacity35 lMinimum number of seats in cockpit3Food stowage0.18 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03420004UPM Issued on 05/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org