Club
Certificate
Non Spinnaker
2023

Boat

Hefring

NOR 11267

Norges Seilforbund
Sognsveien 73
0854 OSLO
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.8°41.7°40.5°39.4°38.8°38.4°38.2°
Beat VMG3.374.104.634.965.125.215.27
52°5.176.126.757.107.277.367.44
60°5.476.396.957.287.467.567.66
75°5.646.577.117.437.657.828.02
90°5.526.497.097.447.707.928.29
110°4.875.976.807.317.647.948.49
120°4.605.716.587.167.547.858.43
135°4.035.146.036.757.247.588.18
150°3.424.475.386.166.807.257.86
Run VMG2.963.874.705.446.136.737.50
Gybe Angles146.9°151.4°157.7°165.8°171.2°176.6°179.0°

APH: 588.7

CDL: 9.333

GPH: 666.8

CertNo: 18880

BOAT
ClassHanse 371DesignerJodel / VrolijkBuilderHanse YachtsAge date01/2005Series date01/1999Offset filehan371dd.offData file18880
HULL
Length Overall11.250 mMaximum Beam3.592 mDraft1.945 mDisplacement7,380 kgDLR7.0913IMS DivisionCruiser/RacerDynamic Allowance0.340%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.400m
CREW
Maximum weight701 kgMinimum weight526 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail37.2437.69Headsail Luffed40.5740.57Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail11.53Storm Jib11.11Heavy Weather Jib29.98
SAIL LIMITS
Headsails5  Spinnakers0 * 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
Certificate
Non Spinnaker
2023

Boat

Hefring

NOR 11267

Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1069.6878.7778.2725.8703.4691.4682.9
52°695.9588.0533.5507.4495.2489.4484.1
60°658.7563.6517.7494.8482.6476.3470.2
75°637.9548.2506.5484.6470.4460.2449.1
90°652.6554.5507.8483.8467.6454.3434.5
110°739.6603.3529.7492.7470.9453.4424.2
120°782.5631.0547.4502.5477.4458.7426.8
135°893.1700.8596.8533.0496.9474.6440.2
150°1054.2805.5669.4584.9529.5496.4457.8
Run VMG1217.2929.3766.4661.2587.4535.3479.7
Selected Courses
Windward / Leeward1143.4904.0772.3693.5645.4613.3581.3
All purpose869.4702.9614.1563.7534.3515.3492.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward729.60.8224
All purpose588.71.0192
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.40.9311
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1150.8850.9694.7602.6555.2521.4473.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7595
Downwind "popa"0.8114
70% up, 30% down "Ilhabela"0.7743
30% up, 70% down "Ilhabela-inverso"0.7951
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Predominantly Upwind623.20.9628
Predominantly Downwind618.50.9701
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low786.20.7632
Triple Number All Purpose Medium584.71.0261
Triple Number All Purpose High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Predominantly Upwind623.20.9628
Predominantly Downwind618.50.9701
Predominantly Upwind Low844.20.7108
Predominantly Upwind Medium631.40.9502
Predominantly Upwind High581.31.0322
Predominantly Downwind Low901.80.6654
Predominantly Downwind Medium623.70.9619
Predominantly Downwind High501.11.1974
Chicago-Mac Upwind0.9441
Chicago-Mac All Purpose0.9450
Chicago-Mac Downwind0.9488
Bayview-Mac Cove Island0.8756
Bayview-Mac Shore0.8948
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching559.61.0722
Predominantly Reaching Low713.70.8407
Predominantly Reaching Medium558.31.0746
Predominantly Reaching High482.51.2435
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1125.00.5333
5-Band Low / Medium926.90.6473
5-Band Medium709.40.8457
5-Band Medium / High620.10.9675
5-Band High586.91.0224
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.40.9311
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1150.8850.9694.7602.6555.2521.4473.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.40.9311
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1150.8850.9694.7602.6555.2521.4473.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance644.4
Triple Number Coastal/Long Distance Low786.2
Triple Number Coastal/Long Distance Medium584.7
Triple Number Coastal/Long Distance High511.6
Triple Number Windward/Leeward Low1023.7
Triple Number Windward/Leeward Medium725.3
Triple Number Windward/Leeward High609.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1150.8850.9694.7602.6555.2521.4473.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.40.9311
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1150.8850.9694.7602.6555.2521.4473.2
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)644.40.9311
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1150.8850.9694.7602.6555.2521.4473.2
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7632
Triple Number Coastal/Long Distance Medium1.0261
Triple Number Coastal/Long Distance High1.1729
Triple Number Windward/Leeward Low0.5861
Triple Number Windward/Leeward Medium0.8273
Triple Number Windward/Leeward High0.9847
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1150.8850.9694.7602.6555.2521.4473.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.40.9311
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1150.8850.9694.7602.6555.2521.4473.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.40.9311
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1150.8850.9694.7602.6555.2521.4473.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1150.8850.9694.7602.6555.2521.4473.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low786.2
Triple Number Coastal/Long Distance Medium584.7
Triple Number Coastal/Long Distance High511.6
Triple Number Windward/Leeward Low1023.7
Triple Number Windward/Leeward Medium725.3
Triple Number Windward/Leeward High609.3
Predominantly Upwind623.2
Predominantly Downwind618.5
Predominantly Reaching581.9
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.40.9311
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1150.8850.9694.7602.6555.2521.4473.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7632
Triple Number Coastal/Long Distance Medium1.0261
Triple Number Coastal/Long Distance High1.1729
Triple Number Windward/Leeward Low0.5861
Triple Number Windward/Leeward Medium0.8273
Triple Number Windward/Leeward High0.9847
Coastal/Long Distance0.9311
Predominantly Upwind0.9628
Predominantly Downwind0.9701
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7632
Tretall Distanseseilas Mellomvind1.0261
Tretall Distanseseilas Mye vind1.1729
Tretall Pølsebane Lite vind0.5861
Tretall Pølsebane Mellomvind0.8273
Tretall Pølsebane Mye vind0.9847
Distanseseilas ett tall (OSN 8-16kn)0.9311
Distanseseilas ett tall (APH 6-20kn)1.0192
Enkeltall Motvind0.9628
Enkeltall Medvind0.9701
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Coastal/Long Distance644.40.9311
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind623.20.9628
Predominantly Downwind618.50.9701
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore590.91.0154
Cape Doctor Coastal499.41.2014
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7632
Triple Number Coastal/Long Distance Medium1.0261
Triple Number Coastal/Long Distance High1.1729
Triple Number Windward/Leeward Low0.5861
Triple Number Windward/Leeward Medium0.8273
Triple Number Windward/Leeward High0.9847
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7632
Triple Number Coastal/Long Distance Medium1.0261
Triple Number Coastal/Long Distance High1.1729
Triple Number Windward/Leeward Low0.5861
Triple Number Windward/Leeward Medium0.8273
Triple Number Windward/Leeward High0.9847
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.40.9311
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Predominantly Upwind623.20.9628
Predominantly Downwind618.50.9701
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1150.8850.9694.7602.6555.2521.4473.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance644.40.9311
Triple Number Coastal/Long Distance Low786.20.7632
Triple Number Coastal/Long Distance Medium584.71.0261
Triple Number Coastal/Long Distance High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1150.8850.9694.7602.6555.2521.4473.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low786.20.7632
Triple Number All Purpose Medium584.71.0261
Triple Number All Purpose High511.61.1729
Triple Number Windward/Leeward Low1023.70.5861
Triple Number Windward/Leeward Medium725.30.8273
Triple Number Windward/Leeward High609.30.9847
Predominantly Upwind623.20.9628
Predominantly Downwind618.50.9701
Predominantly Upwind Low844.20.7108
Predominantly Upwind Medium631.40.9502
Predominantly Upwind High581.31.0322
Predominantly Downwind Low901.80.6654
Predominantly Downwind Medium623.70.9619
Predominantly Downwind High501.11.1974
Chicago-Mac Upwind0.9441
Chicago-Mac All Purpose0.9450
Chicago-Mac Downwind0.9488
Bayview-Mac Cove Island0.8756
Bayview-Mac Shore0.8948
Harvest Moon Regatta510.51.1754
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy599.61.0006
San Francisco Bay Medium718.40.8352
Predominantly Reaching559.61.0722
Predominantly Reaching Low713.70.8407
Predominantly Reaching Medium558.31.0746
Predominantly Reaching High482.51.2435
Windward/Leeward 60-40 Low1013.80.5918
Windward/Leeward 60-40 Medium733.90.8175
Windward/Leeward 60-40 High637.20.9416
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low1125.00.5333
5-Band Low / Medium926.90.6473
5-Band Medium709.40.8457
5-Band Medium / High620.10.9675
5-Band High586.91.0224

Club
Certificate
Non Spinnaker
2023

Boat

Hefring

NOR 11267

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassHanse 371MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.250Max. Beam3.592Draft1.945Displacement7,380Wetted area28.72IMS L10.201LSM010.133Acc. length11.250Sink (kg/mm) 21.38
VCGD0.090VCGM0.090RM Rated (kg·m) 152.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0040
EDL2.740ST10.070ST20.180
ST30.180ST40.110ST50.300
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P14.250IG14.900ISP15.000MDT10.110MDL10.220MDT20.000MDL20.000TL0.000MW0.000GO0.000
E4.620J4.250BAS1.690FSDFoilSFJ0.270SPL5.355WPLTPS4.520BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.090Flotation Date01/01/2015MeasurerComment
SFFP0.220FFMFF1.246LCFcl6.266SG1.0100
SAFP10.641FAMFA1.034LCFsh6.513HBI1.072
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
Non Spinnaker
2023

Boat

Hefring

NOR 11267

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment152-2019120911370.150.841.542.753.7837.2407/12/2019
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment455-2023052508060.050.701.382.794.285.8214.23NoNo 40.5724/05/2023455-2023052508040.040.611.132.203.284.3114.33NoNo 31.4524/05/2023152-2019120911390.050.500.951.872.803.6714.26NoNo 26.6207/12/2019