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°41.1°38.9°38.5°38.3°38.2°38.0°37.7°38.3°
Beat VMG2.393.303.904.264.454.564.644.734.76
52°3.694.895.656.116.386.516.606.696.74
60°3.925.095.846.306.576.726.806.906.95
75°4.065.225.986.466.746.917.047.187.27
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:639.9CDL: 7.535APH ToT: 0.9377CertNo: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  03420004VAF Issued on 16/07/2026 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 VMG1509.51090.9922.6844.5808.8789.0776.2760.3755.7
52°975.9736.7637.4589.0564.6553.0545.7537.7533.8
60°918.3707.4616.3571.0548.1536.1529.5522.0518.0
75°885.9689.3601.9557.4534.3520.8511.6501.3494.9
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 / Leeward1703.01177.0947.7826.4754.8707.8675.8640.4621.8
All purpose1275.1906.7747.5664.1617.0588.3569.3545.3530.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward786.50.7629
All purpose639.90.9377
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.20.8606
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.41185.7895.3747.0659.0610.7575.5523.2506.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7009
Downwind "popa"0.7681
70% up, 30% down "Ilhabela"0.7198
30% up, 70% down "Ilhabela-inverso"0.7466
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Predominantly Upwind679.90.8825
Predominantly Downwind665.00.9022
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP665.00.9023 Predom. Rc High519.61.1547 5B SF Bay L/M864.50.6940 TriNum AP Low827.10.7254 Predom. Dn Low1056.40.5680 5B SF Bay Med742.00.8086 TriNum AP Med636.50.9427 Predom. Dn L/M764.50.7848 5B SF Bay M/H668.30.8978 TriNum AP High565.01.0619 Predom. Dn Med639.20.9387 5B SF Bay High634.90.9450 TriNum W/L Low1114.30.5384 Predom. Dn M/H562.31.0671 5B AP Low931.30.6443 TriNum W/L Med783.00.7663 Predom. Dn High525.31.1421 5B AP L/M722.30.8307 TriNum W/L Hig670.50.8948 ChiMac Up Low846.90.7085 5B AP Med626.90.9571 Predom. Upwind704.60.8516 ChiMac Up Med767.60.7817 5B AP M/H572.51.0481 Predom. Reaching638.90.9391 ChiMac Up High675.30.8885 5B AP High546.81.0973 Predom. Downwind699.00.8584 ChiMac Off Low898.40.6679 5B W/L Low1251.20.4795 Predom. Up Low958.40.6260 ChiMac Off Med784.90.7644 5B W/L L/M910.30.6592 Predom. Up L/M741.50.8092 ChiMac Off High652.30.9199 5B W/L Med768.30.7809 Predom. Up Med658.80.9107 ChiMac AP Low866.50.6924 5B W/L M/H681.90.8799 Predom. Up M/H614.70.9760 ChiMac AP Med771.80.7774 5B W/L High643.30.9326 Predom. Up High594.91.0085 ChiMac AP High661.00.9078 W/L 60-40 Low1231.70.4871 Predom. Rc Low895.30.6702 BayMac Cove Island999.70.6002 W/L 60-40 L/M908.80.6602 Predom. Rc L/M681.70.8802 BayMac Shore987.80.6074 W/L 60-40 Med778.30.7709 Predom. Rc Med594.81.0088 Harvest Moon564.91.0622 W/L 60-40 M/H701.20.8557 Predom. Rc M/H544.71.1016 5B SF Bay Low1043.60.5749 W/L 60-40 High667.10.8994      SA/DSPL Up18.66SA/DSPL Dn18.66
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.20.8606
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.41185.7895.3747.0659.0610.7575.5523.2506.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.20.8606
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.41185.7895.3747.0659.0610.7575.5523.2506.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance697.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.41185.7895.3747.0659.0610.7575.5523.2506.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating697.20.8606
FinRating, kevyt tuuli1237.30.8082
FinRating, kova tuuli550.40.9085
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.8606
Triple Number Coastal/Long Distance Low0.7254
Triple Number Coastal/Long Distance Medium0.9428
Triple Number Coastal/Long Distance High1.0619
Triple Number Windward/Leeward Low0.5648
Triple Number Windward/Leeward Medium0.7663
Triple Number Windward/Leeward High0.8948
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.41185.7895.3747.0659.0610.7575.5523.2506.4
For information
General Purpose Handicap (GPH)719.1
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.20.8606
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Saronikos S All Purpose715.50.8385
Saronikos S Upwind779.60.7696
Saronikos S Downwind651.50.9209
Saronikos N All Purpose756.20.7934
Saronikos N Upwind807.70.7429
Saronikos N Downwind721.20.8319
Saronikos SW All Purpose724.30.8284
Saronikos SW Upwind795.90.7539
Saronikos SW Downwind668.50.8976
Saronikos NE All Purpose794.30.7553
Saronikos NE Upwind760.30.7892
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 Distance1722.41185.7895.3747.0659.0610.7575.5523.2506.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose665.00.9023
5-Band All Purpose Low999.80.6001
5-Band All Purpose L/M749.30.8008
5-Band All Purpose Med646.80.9276
5-Band All Purpose M/H587.01.0222
5-Band All Purpose High558.81.0737
Single Number Predominant Upwind677.60.8854
Single Number Predominant Reaching614.20.9769
Single Number Predominant Downwind666.60.9001
5-Band 50-50 Windward/Leeward Low1251.20.4795
5-Band 50-50 Windward/Leeward L/M910.30.6592
5-Band 50-50 Windward/Leeward Med768.30.7809
5-Band 50-50 Windward/Leeward M/H681.90.8799
5-Band 50-50 Windward/Leeward High643.30.9326
5-Band 60-40 Windward/Leeward Low1231.70.4871
5-Band 60-40 Windward/Leeward L/M908.80.6602
5-Band 60-40 Windward/Leeward Med778.30.7709
5-Band 60-40 Windward/Leeward M/H701.20.8557
5-Band 60-40 Windward/Leeward High667.10.8994
Triple Number 50-50 Windward/Leeward Low1114.30.5384
Triple Number 50-50 Windward/Leeward Med783.10.7662
Triple Number 50-50 Windward/Leeward High670.50.8948
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward795.60.7542
Triple Number 60-40 Windward/Leeward Low1101.30.5448
Triple Number 60-40 Windward/Leeward Med791.50.7580
Triple Number 60-40 Windward/Leeward High691.10.8682
Triple Number All-Purpose Low899.00.6674
Triple Number All-Purpose Med657.30.9129
Triple Number All-Purpose High578.91.0365
Triple Number Predominant Upwind Low881.40.6808
Triple Number Predominant Upwind Med670.20.8952
Triple Number Predominant Upwind High613.10.9787
Triple Number Predominant Reaching Low813.10.7379
Triple Number Predominant Reaching Med612.70.9793
Triple Number Predominant Reaching High528.21.1358
Triple Number Predominant Downwind Low936.20.6409
Triple Number Predominant Downwind Med655.00.9160
Triple Number Predominant Downwind High543.01.1049
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.20.8606
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.41185.7895.3747.0659.0610.7575.5523.2506.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.20.8606
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.41185.7895.3747.0659.0610.7575.5523.2506.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low827.1
Triple Number Coastal/Long Distance Medium636.4
Triple Number Coastal/Long Distance High565.0
Triple Number Windward/Leeward Low1062.3
Triple Number Windward/Leeward Medium783.0
Triple Number Windward/Leeward High670.5
Predominantly Upwind679.9
Predominantly Downwind665.0
Predominantly Reaching629.9
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.20.8606
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.41185.7895.3747.0659.0610.7575.5523.2506.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7254
Triple Number Coastal/Long Distance Medium0.9428
Triple Number Coastal/Long Distance High1.0619
Triple Number Windward/Leeward Low0.5648
Triple Number Windward/Leeward Medium0.7663
Triple Number Windward/Leeward High0.8948
Coastal/Long Distance0.8606
Predominantly Upwind0.8825
Predominantly Downwind0.9022
For information
General Purpose Handicap (GPH)719.1
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9377
Distanseseilas Trippeltall svak vind0.7254
Distanseseilas Trippeltall mellomvind0.9428
Distanseseilas Trippeltall sterk vind1.0619
Pølsebane Trippeltall svak vind0.5648
Pølsebane Trippeltall mellomvind0.7663
Pølsebane Trippeltall sterk vind0.8948
Motvind Singeltall0.8825
Medvind Singeltall0.9022
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Coastal/Long Distance697.20.8606
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind679.90.8825
Predominantly Downwind665.00.9022
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore627.40.9563
Cape Doctor Coastal534.61.1224
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7254
Triple Number Coastal/Long Distance Medium0.9428
Triple Number Coastal/Long Distance High1.0619
Triple Number Windward/Leeward Low0.5648
Triple Number Windward/Leeward Medium0.7663
Triple Number Windward/Leeward High0.8948
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7254
Triple Number Coastal/Long Distance Medium0.9428
Triple Number Coastal/Long Distance High1.0619
Triple Number Windward/Leeward Low0.5648
Triple Number Windward/Leeward Medium0.7663
Triple Number Windward/Leeward High0.8948
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.20.8606
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Predominantly Upwind679.90.8825
Predominantly Downwind665.00.9022
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.41185.7895.3747.0659.0610.7575.5523.2506.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance697.20.8606
Triple Number Coastal/Long Distance Low827.10.7254
Triple Number Coastal/Long Distance Medium636.40.9428
Triple Number Coastal/Long Distance High565.01.0619
Triple Number Windward/Leeward Low1062.30.5648
Triple Number Windward/Leeward Medium783.00.7663
Triple Number Windward/Leeward High670.50.8948
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1722.41185.7895.3747.0659.0610.7575.5523.2506.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP665.00.9023 Predom. Dn High525.31.1421 5B AP M/H572.51.0481 TriNum AP Low827.10.7254 Predom. Rc Low895.30.6702 5B AP High546.81.0973 TriNum AP Med636.50.9427 Predom. Rc L/M681.70.8802 5B SF Bay Low1043.60.5749 TriNum AP High565.01.0619 Predom. Rc Med594.81.0088 5B SF Bay L/M864.50.6940 TriNum W/L Low1114.30.5384 Predom. Rc M/H544.71.1016 5B SF Bay Med742.00.8086 TriNum W/L Med783.00.7663 Predom. Rc High519.61.1547 5B SF Bay M/H668.30.8978 TriNum W/L Hig670.50.8948 5B W/L Low1251.20.4795 5B SF Bay High634.90.9450 Predom. Upwind704.60.8516 5B W/L L/M910.30.6592 ChiMac Up Low846.90.7085 Predom. Reaching638.90.9391 5B W/L Med768.30.7809 ChiMac Up Med767.60.7817 Predom. Downwind699.00.8584 5B W/L M/H681.90.8799 ChiMac Up High675.30.8885 Predom. Up Low958.40.6260 5B W/L High643.30.9326 ChiMac Off Low898.40.6679 Predom. Up L/M741.50.8092 W/L 60-40 Low1231.70.4871 ChiMac Off Med784.90.7644 Predom. Up Med658.80.9107 W/L 60-40 L/M908.80.6602 ChiMac Off High652.30.9199 Predom. Up M/H614.70.9760 W/L 60-40 Med778.30.7709 ChiMac AP Low866.50.6924 Predom. Up High594.91.0085 W/L 60-40 M/H701.20.8557 ChiMac AP Med771.80.7774 Predom. Dn Low1056.40.5680 W/L 60-40 High667.10.8994 ChiMac AP High661.00.9078 Predom. Dn L/M764.50.7848 5B AP Low931.30.6443 BayMac Cove Island999.70.6002 Predom. Dn Med639.20.9387 5B AP L/M722.30.8307 BayMac Shore987.80.6074 Predom. Dn M/H562.31.0671 5B AP Med626.90.9571 Harvest Moon564.91.0622      SA/DSPL Up18.66SA/DSPL Dn18.66
ORC Ref  03420004VAF Issued on 16/07/2026 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 materialWoodSingle 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  03420004VAF Issued on 16/07/2026 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  03420004VAF Issued on 16/07/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org