Club
Certificate
2023

Boat

NATASSA

GRE-49589

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.8°41.8°40.6°39.4°38.8°38.4°38.4°
Beat VMG2.993.634.094.404.544.614.62
52°4.585.435.976.266.426.486.53
60°4.835.676.156.416.576.656.72
75°4.985.836.296.566.746.887.02
90°4.895.876.416.696.846.977.25
110°4.985.986.526.847.107.337.66
120°4.815.846.456.817.117.387.91
135°4.365.396.166.606.927.227.82
150°3.714.715.566.206.596.897.45
Run VMG3.214.084.825.486.046.457.03
Gybe Angles144.8°149.3°152.3°159.5°173.0°178.1°179.0°

APH: 632.6

CDL: 7.276

GPH: 710.8

CertNo: 00315

BOAT
ClassFEELING 920DesignerPH. HARLEBuilderKIRIEAge date01/1984Series date03/1983Offset fileF084M.OFFData fileGR49589
HULL
Length Overall9.250 mMaximum Beam3.222 mDraft1.806 mDisplacement4,255 kgDLR9.3744IMS DivisionCruiser/RacerDynamic Allowance0.490%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFeathering 3 bladesDiameter0.430m
CREW
Maximum weight489 kgMinimum weight367 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail21.0121.43Headsail Luffed30.9130.91Headsail FlyingSymmetric63.8963.89Asymmetric65.1865.18 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail6.07Storm Jib7.29Heavy Weather Jib19.69
SAIL LIMITS
Headsails1 * Woven polyester sails  Spinnakers4 * Asymmetric may be tacked on the pole
STABILITY
Righting Moment68.8 kg·mStability Index105.5
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  03420002HWPIssued on 15/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

NATASSA

GRE-49589

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1203.1991.1879.5818.0792.4781.4778.8
52°785.7662.8603.1574.9561.1555.3551.3
60°745.7635.0585.5561.4547.8541.1535.7
75°723.3617.9572.3549.2534.0523.3512.5
90°735.5613.2562.0538.5526.4516.2496.4
110°723.5601.9552.3526.2507.0491.3469.9
120°748.1616.4558.1528.4506.4487.6455.2
135°825.0667.4584.2545.4520.2498.8460.4
150°971.4764.9647.7580.8546.0522.4483.3
Run VMG1121.7883.2746.6657.3596.4557.7512.1
Selected Courses
Windward / Leeward1162.4937.2813.0737.7694.4669.5645.5
All purpose897.9736.1653.8608.4583.3567.4547.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward773.90.7753
All purpose632.60.9485
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance687.90.8722
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.4881.2734.4648.4604.9573.6524.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6726
Downwind "popa"0.8276
70% up, 30% down "Ilhabela"0.7126
30% up, 70% down "Ilhabela-inverso"0.7741
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Predominantly Upwind685.10.8757
Predominantly Downwind639.90.9377
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low817.00.7344
Triple Number All Purpose Medium627.90.9556
Triple Number All Purpose High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Predominantly Upwind685.10.8757
Predominantly Downwind639.90.9377
Predominantly Upwind Low914.80.6559
Predominantly Upwind Medium707.50.8481
Predominantly Upwind High656.60.9139
Predominantly Downwind Low885.20.6778
Predominantly Downwind Medium631.40.9503
Predominantly Downwind High532.51.1267
Chicago-Mac Upwind0.8587
Chicago-Mac All Purpose0.8864
Chicago-Mac Downwind0.9211
Bayview-Mac Cove Island0.8221
Bayview-Mac Shore0.8287
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching601.80.9970
Predominantly Reaching Low740.00.8108
Predominantly Reaching Medium594.91.0086
Predominantly Reaching High530.71.1306
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1145.10.5240
5-Band Low / Medium958.60.6259
5-Band Medium753.90.7958
5-Band Medium / High675.40.8884
5-Band High649.60.9236
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance687.90.8722
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.4881.2734.4648.4604.9573.6524.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance687.90.8722
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.4881.2734.4648.4604.9573.6524.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance687.9
Triple Number Coastal/Long Distance Low817.0
Triple Number Coastal/Long Distance Medium627.9
Triple Number Coastal/Long Distance High563.9
Triple Number Windward/Leeward Low1049.9
Triple Number Windward/Leeward Medium768.6
Triple Number Windward/Leeward High666.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.4881.2734.4648.4604.9573.6524.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance687.90.8722
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.4881.2734.4648.4604.9573.6524.4
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)687.90.8722
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.4881.2734.4648.4604.9573.6524.4
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7344
Triple Number Coastal/Long Distance Medium0.9556
Triple Number Coastal/Long Distance High1.0640
Triple Number Windward/Leeward Low0.5715
Triple Number Windward/Leeward Medium0.7806
Triple Number Windward/Leeward High0.8999
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.4881.2734.4648.4604.9573.6524.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance687.90.8722
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.4881.2734.4648.4604.9573.6524.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance687.90.8722
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.4881.2734.4648.4604.9573.6524.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.4881.2734.4648.4604.9573.6524.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low817.0
Triple Number Coastal/Long Distance Medium627.9
Triple Number Coastal/Long Distance High563.9
Triple Number Windward/Leeward Low1049.9
Triple Number Windward/Leeward Medium768.6
Triple Number Windward/Leeward High666.7
Predominantly Upwind685.1
Predominantly Downwind639.9
Predominantly Reaching615.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance687.90.8722
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.4881.2734.4648.4604.9573.6524.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7344
Triple Number Coastal/Long Distance Medium0.9556
Triple Number Coastal/Long Distance High1.0640
Triple Number Windward/Leeward Low0.5715
Triple Number Windward/Leeward Medium0.7806
Triple Number Windward/Leeward High0.8999
Coastal/Long Distance0.8722
Predominantly Upwind0.8757
Predominantly Downwind0.9377
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7344
Tretall Distanseseilas Mellomvind0.9556
Tretall Distanseseilas Mye vind1.0640
Tretall Pølsebane Lite vind0.5715
Tretall Pølsebane Mellomvind0.7806
Tretall Pølsebane Mye vind0.8999
Distanseseilas ett tall (OSN 8-16kn)0.8722
Distanseseilas ett tall (APH 6-20kn)0.9485
Enkeltall Motvind0.8757
Enkeltall Medvind0.9377
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Coastal/Long Distance687.90.8722
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind685.10.8757
Predominantly Downwind639.90.9377
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore652.70.9193
Cape Doctor Coastal553.51.0841
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7344
Triple Number Coastal/Long Distance Medium0.9556
Triple Number Coastal/Long Distance High1.0640
Triple Number Windward/Leeward Low0.5715
Triple Number Windward/Leeward Medium0.7806
Triple Number Windward/Leeward High0.8999
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7344
Triple Number Coastal/Long Distance Medium0.9556
Triple Number Coastal/Long Distance High1.0640
Triple Number Windward/Leeward Low0.5715
Triple Number Windward/Leeward Medium0.7806
Triple Number Windward/Leeward High0.8999
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance687.90.8722
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Predominantly Upwind685.10.8757
Predominantly Downwind639.90.9377
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.4881.2734.4648.4604.9573.6524.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance687.90.8722
Triple Number Coastal/Long Distance Low817.00.7344
Triple Number Coastal/Long Distance Medium627.90.9556
Triple Number Coastal/Long Distance High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1158.4881.2734.4648.4604.9573.6524.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low817.00.7344
Triple Number All Purpose Medium627.90.9556
Triple Number All Purpose High563.91.0640
Triple Number Windward/Leeward Low1049.90.5715
Triple Number Windward/Leeward Medium768.60.7806
Triple Number Windward/Leeward High666.70.8999
Predominantly Upwind685.10.8757
Predominantly Downwind639.90.9377
Predominantly Upwind Low914.80.6559
Predominantly Upwind Medium707.50.8481
Predominantly Upwind High656.60.9139
Predominantly Downwind Low885.20.6778
Predominantly Downwind Medium631.40.9503
Predominantly Downwind High532.51.1267
Chicago-Mac Upwind0.8587
Chicago-Mac All Purpose0.8864
Chicago-Mac Downwind0.9211
Bayview-Mac Cove Island0.8221
Bayview-Mac Shore0.8287
Harvest Moon Regatta552.11.0867
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy657.20.9130
San Francisco Bay Medium764.00.7854
Predominantly Reaching601.80.9970
Predominantly Reaching Low740.00.8108
Predominantly Reaching Medium594.91.0086
Predominantly Reaching High530.71.1306
Windward/Leeward 60-40 Low1059.30.5664
Windward/Leeward 60-40 Medium795.10.7546
Windward/Leeward 60-40 High706.30.8494
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1145.10.5240
5-Band Low / Medium958.60.6259
5-Band Medium753.90.7958
5-Band Medium / High675.40.8884
5-Band High649.60.9236
ORC Ref  03420002HWPIssued on 15/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

NATASSA

GRE-49589

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFEELING 920Measurement29/01/2006HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.250Max. Beam3.222Draft1.806Displacement4,255Wetted area20.28IMS L7.888LSM07.685Acc. length9.250Sink (kg/mm) 14.34
VCGD0.262VCGM0.193RM Rated (kg·m) 68.8Limit of positive stability(°) 105.9Stability Index105.5
PROPELLER
Propeller TypeFeathering 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.430PBW0.135PIPA0.0065
PSD0.025PHD0.084PHL0.110
PSA23.4°ESL0.647
ST10.020ST20.105ST30.110
ST40.061ST50.180
RIG
Forestay tensionAftInner stayFixedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P10.200IG11.980ISP12.070MDT10.115MDL10.170MDT20.115MDL20.170TL0.000MW0.170GO0.198
E3.400J3.600BAS1.440FSD0.030SFJ0.000SPL3.680WPLTPSBD0.120MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date15/03/2005MeasurerComment
SFFP0.833FFM1.139FF1.147LCFcl5.163SG1.0270
SAFP8.510FAM0.923FA0.923LCFsh5.410HBI1.021
W147.4W247.4W347.4W447.4
PD1250.0PD2250.0PD3250.0PD4250.0
WD10.200PLM2060.00GSA28.3RSA5674.5RM69.4
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1Fuel St. Steel7007.402Water Bladder10004.503Water Bladder10004.504Water Bladder15001.90Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCG1MiscellaneousWater heater156.901Battery1 x 88Ah245.802Battery1 x 88Ah246.901EngineMini 31hp1AnchorBruce50.502AnchorBruce57.601Chain5m x 10mm + 5m x 8mm170.502Chain20m x 8mm247.601Deck Gear63.60Total deductible574.44
ORC Ref  03420002HWPIssued on 15/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

NATASSA

GRE-49589

Hellenic Sailing Federation
Offshore Committee
Επιτροπή Ανοικτής Θαλάσσης
Ελληνικής Ιστιοπλοϊκής Ομοσπονδίας
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment30.200.761.322.222.9021.0122/12/201710.150.761.332.242.8720.9710/01/201020.160.611.182.182.7820.1208/02/2014
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20.050.711.382.734.065.4011.36NoNo 30.9117/06/202010.040.651.262.533.905.3011.37NoNo 29.5217/03/2011
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment211.8511.8511.856.486.4363.8902/02/2014
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment113.2011.3512.286.346.5098%65.1822/02/2022
ORC Ref  03420002HWPIssued on 15/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org