Club
Certificate
2023

Boat

AKRA

ESP-10811_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles45.4°43.6°42.0°40.8°39.4°39.3°39.9°
Beat VMG2.973.644.144.514.754.844.85
52°4.635.566.186.566.796.927.00
60°4.915.846.416.756.977.137.27
75°5.096.016.586.917.167.387.71
90°5.136.186.807.177.457.637.95
110°5.186.266.897.307.698.068.70
120°5.016.096.797.227.638.048.89
135°4.515.606.436.957.347.748.57
150°3.834.885.726.346.757.077.66
Run VMG3.324.234.965.495.856.397.11
Gybe Angles145.1°147.1°147.4°148.0°150.2°173.6°177.2°

APH: 609.0

CDL: 8.007

GPH: 686.8

CertNo: 108111

BOAT
ClassOCEANIS 311DesignerFINOTBuilderBENETEAUAge date01/2002Series date01/2002Offset fileOcean311.OFFData fileE10811_C
HULL
Length Overall9.540 mMaximum Beam3.234 mDraft1.451 mDisplacement3,969 kgDLR5.4114IMS DivisionCruiser/RacerDynamic Allowance0.320%Age Allowance0.487%
PROPELLER
InstallationShaft non exposedTypeSolid 2 bladesDiameter0.280m
CREW
Maximum weight594 kgMinimum weight445 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail25.5525.95Headsail Luffed23.0523.05Headsail FlyingSymmetricAsymmetric62.3362.33 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail7.84Storm Jib7.84Heavy Weather Jib21.17
SAIL LIMITS
Headsails5 * Woven polyester sails  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
CASCO ESTIMADO
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  03510002E2TIssued on 17/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

AKRA

ESP-10811_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1210.7988.4869.5798.1758.1743.6741.5
52°778.2647.8582.6549.2530.4520.0514.1
60°732.6616.7561.7533.7516.6504.9495.5
75°707.5599.1547.0520.7502.6487.7466.8
90°701.5582.8529.4502.1483.5471.9452.9
110°694.8575.1522.6493.0468.0446.7413.6
120°718.7591.0530.5498.3471.7447.9405.1
135°798.1642.4559.6518.0490.3465.2420.1
150°939.4737.9629.0567.5533.1509.4470.3
Run VMG1084.7852.1726.3655.3615.4563.6506.6
Selected Courses
Windward / Leeward1147.7920.3797.9726.7686.7653.6624.1
All purpose879.9716.7632.8586.1557.8537.1512.7
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward760.90.7885
All purpose609.00.9853
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.30.9019
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1141.4862.6715.9627.9579.8542.8487.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6874
Downwind "popa"0.8393
70% up, 30% down "Ilhabela"0.7269
30% up, 70% down "Ilhabela-inverso"0.7871
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Predominantly Upwind661.30.9073
Predominantly Downwind618.00.9709
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low798.30.7516
Triple Number All Purpose Medium605.40.9910
Triple Number All Purpose High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Predominantly Upwind661.30.9073
Predominantly Downwind618.00.9709
Predominantly Upwind Low903.90.6638
Predominantly Upwind Medium685.00.8758
Predominantly Upwind High620.80.9665
Predominantly Downwind Low859.40.6982
Predominantly Downwind Medium613.60.9779
Predominantly Downwind High515.41.1642
Chicago-Mac Upwind0.8877
Chicago-Mac All Purpose0.9181
Chicago-Mac Downwind0.9537
Bayview-Mac Cove Island0.8479
Bayview-Mac Shore0.8552
Victoria-Maui1.0144
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.30.9019
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1141.4862.6715.9627.9579.8542.8487.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.30.9019
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1141.4862.6715.9627.9579.8542.8487.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance665.3
Triple Number Coastal/Long Distance Low798.3
Triple Number Coastal/Long Distance Medium605.4
Triple Number Coastal/Long Distance High533.1
Triple Number Windward/Leeward Low1033.9
Triple Number Windward/Leeward Medium756.5
Triple Number Windward/Leeward High650.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1141.4862.6715.9627.9579.8542.8487.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.30.9019
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1141.4862.6715.9627.9579.8542.8487.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)665.30.9019
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1141.4862.6715.9627.9579.8542.8487.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7516
Triple Number Coastal/Long Distance Medium0.9910
Triple Number Coastal/Long Distance High1.1255
Triple Number Windward/Leeward Low0.5803
Triple Number Windward/Leeward Medium0.7931
Triple Number Windward/Leeward High0.9220
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1141.4862.6715.9627.9579.8542.8487.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.30.9019
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1141.4862.6715.9627.9579.8542.8487.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.30.9019
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1141.4862.6715.9627.9579.8542.8487.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1141.4862.6715.9627.9579.8542.8487.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low798.3
Triple Number Coastal/Long Distance Medium605.4
Triple Number Coastal/Long Distance High533.1
Triple Number Windward/Leeward Low1033.9
Triple Number Windward/Leeward Medium756.5
Triple Number Windward/Leeward High650.8
Predominantly Upwind661.3
Predominantly Downwind618.0
Predominantly Reaching588.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.30.9019
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1141.4862.6715.9627.9579.8542.8487.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7516
Triple Number Coastal/Long Distance Medium0.9910
Triple Number Coastal/Long Distance High1.1255
Triple Number Windward/Leeward Low0.5803
Triple Number Windward/Leeward Medium0.7931
Triple Number Windward/Leeward High0.9220
Coastal/Long Distance0.9019
Predominantly Upwind0.9073
Predominantly Downwind0.9709
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7516
Tretall Distanseseilas Mellomvind0.9910
Tretall Distanseseilas Mye vind1.1255
Tretall Pølsebane Lite vind0.5803
Tretall Pølsebane Mellomvind0.7931
Tretall Pølsebane Mye vind0.9220
Distanseseilas ett tall (OSN 8-16kn)0.9019
Distanseseilas ett tall (APH 6-20kn)0.9853
Enkeltall Motvind0.9073
Enkeltall Medvind0.9709
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Coastal/Long Distance665.30.9019
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind661.30.9073
Predominantly Downwind618.00.9709
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore632.90.9480
Cape Doctor Coastal520.01.1539
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7516
Triple Number Coastal/Long Distance Medium0.9910
Triple Number Coastal/Long Distance High1.1255
Triple Number Windward/Leeward Low0.5803
Triple Number Windward/Leeward Medium0.7931
Triple Number Windward/Leeward High0.9220
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7516
Triple Number Coastal/Long Distance Medium0.9910
Triple Number Coastal/Long Distance High1.1255
Triple Number Windward/Leeward Low0.5803
Triple Number Windward/Leeward Medium0.7931
Triple Number Windward/Leeward High0.9220
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.30.9019
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Predominantly Upwind661.30.9073
Predominantly Downwind618.00.9709
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1141.4862.6715.9627.9579.8542.8487.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance665.30.9019
Triple Number Coastal/Long Distance Low798.30.7516
Triple Number Coastal/Long Distance Medium605.40.9910
Triple Number Coastal/Long Distance High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1141.4862.6715.9627.9579.8542.8487.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low798.30.7516
Triple Number All Purpose Medium605.40.9910
Triple Number All Purpose High533.11.1255
Triple Number Windward/Leeward Low1033.90.5803
Triple Number Windward/Leeward Medium756.50.7931
Triple Number Windward/Leeward High650.80.9220
Predominantly Upwind661.30.9073
Predominantly Downwind618.00.9709
Predominantly Upwind Low903.90.6638
Predominantly Upwind Medium685.00.8758
Predominantly Upwind High620.80.9665
Predominantly Downwind Low859.40.6982
Predominantly Downwind Medium613.60.9779
Predominantly Downwind High515.41.1642
Chicago-Mac Upwind0.8877
Chicago-Mac All Purpose0.9181
Chicago-Mac Downwind0.9537
Bayview-Mac Cove Island0.8479
Bayview-Mac Shore0.8552
Harvest Moon Regatta523.31.1467
Victoria-Maui1.0144
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy633.50.9471
San Francisco Bay Medium745.50.8048
Predominantly Reaching1.0462
Predominantly Reaching Low0.8380
Predominantly Reaching Medium1.0565
Predominantly Reaching High1.2124
Windward/Leeward 60-40 Low1047.10.5730
Windward/Leeward 60-40 Medium780.80.7684
Windward/Leeward 60-40 High683.30.8781
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1130.20.5309
5-Band Low / Medium943.00.6362
5-Band Medium742.00.8087
5-Band Medium / High660.50.9085
5-Band High629.20.9536
ORC Ref  03510002E2TIssued on 17/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

AKRA

ESP-10811_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassOCEANIS 311Measurement11/01/2021HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.540Max. Beam3.234Draft1.451Displacement3,969Wetted area20.42IMS L9.013LSM09.018Acc. length9.540Sink (kg/mm) 16.28
VCGD-0.062VCGM-0.077RM Rated (kg·m) 98.6Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeSolid 2 blades
InstallationShaft non exposedTwin screwNoHydro generatorNo
PRD0.280PBWPIPA0.0039
PSD0.025PHD0.040PHL0.060
PSAESL
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P11.200IG12.520ISP12.520MDT10.100MDL10.110MDT2MDL2TLMWGO
E4.000J3.430BAS1.600FSD0.050SFJ0.078SPLWPLTPS3.920BD0.130MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered100.0Flotation Date01/01/2010MeasurerComment
SFFP0.413FFMFF1.175LCFcl5.408SG
SAFP8.737FAMFA0.935LCFsh5.635HBI1.038
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002E2TIssued on 17/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

AKRA

ESP-10811_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.110.731.352.433.2925.5511/01/2021
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.060.450.871.852.954.0611.88YesNo 23.0511/01/2021
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment113.1511.8412.505.806.7386%62.3311/01/2021
ORC Ref  03510002E2TIssued on 17/03/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org