Club Certificate2026
HERON239
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 Angles45.3°42.3°40.3°38.5°37.3°37.2°37.1°37.3°38.4°
Beat VMG2.633.694.444.935.165.265.315.355.28
52°4.125.566.486.977.197.297.347.407.40
60°4.415.826.677.127.367.477.537.617.62
75°4.625.996.807.237.517.707.827.978.06
90°4.495.886.767.317.627.808.048.358.55
110°4.165.766.847.417.818.188.518.959.31
120°4.015.596.697.307.728.138.549.379.96
135°3.494.996.136.937.417.818.229.1410.41
150°2.874.195.296.256.977.437.818.629.60
Run VMG2.493.634.595.436.176.767.227.948.69
Gybe Angles138.3°142.6°147.4°152.8°159.7°166.9°174.5°177.2°173.6°
APH ToD:548.9CDL: 9.354APH ToT: 1.0931CertNo:US23900
BOAT
ClassFIRST 36.7DesignerFarrBuilderBENETEAUAge date06/2008Series date01/2000Offset fileFIRST367.OFFData fileUS23900
HULL
Length Overall10.640 mMaximum Beam3.458 mDraft2.218 mDisplacement5,466 kgDLR6.8777IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.405m
CREW
Maximum weight617 kg(default)Minimum weight487 kg ✱ when appliedCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail39.4840.30Headsail Luffed40.3040.30Headsail FlyingSymmetric90.5190.51Asymmetric85.6385.63 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS Maximum (m²)
Trysail11.52Storm Jib10.05Heavy Weather Jib27.12
SAIL LIMITS
Headsails5Spinnakers4
✱ Asymmetric may be tacked on the pole
STABILITY
Righting Moment 138.0 kg·m Stability Index 118.9
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  04560004NI1 Issued on 28/04/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
HERON239
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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 VMG1366.3976.5811.3730.1698.2684.8678.1673.4682.2
52°874.4647.6555.9516.5500.4493.9490.3486.3486.3
60°816.3618.4539.4505.5489.4482.1478.1473.0472.2
75°779.7600.7529.4498.0479.6467.5460.4451.5446.6
90°802.4612.1532.4492.8472.6461.3448.0431.1420.9
110°865.0624.9526.2486.0461.0440.0423.0402.3386.8
120°898.2644.4538.4493.2466.4443.0421.5384.4361.6
135°1033.0722.1587.2519.5485.6461.0437.7393.7345.7
150°1253.6859.7680.0575.6516.3484.7461.2417.5375.0
Run VMG1447.5992.7785.2662.9583.3532.4498.8453.7414.2
Selected Courses
Windward / Leeward1406.9984.6798.2696.5640.7608.6588.5563.5548.2
All purpose1059.4758.9630.1565.2531.1510.9496.4475.3460.3
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward669.30.8965
All purpose548.91.0931
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0063
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.0985.4753.1632.2565.0530.0501.8455.0439.8
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7997
Downwind "popa"0.9315
70% up, 30% down "Ilhabela"0.8351
30% up, 70% down "Ilhabela-inverso"0.8876
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Predominantly Upwind589.61.0176
Predominantly Downwind561.11.0693
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP571.61.0498 Predom. Rc High452.41.3263 5B SF Bay L/M729.40.8226 TriNum AP Low694.50.8639 Predom. Dn Low851.40.7047 5B SF Bay Med631.70.9498 TriNum AP Med545.71.0995 Predom. Dn L/M632.50.9486 5B SF Bay M/H578.81.0367 TriNum AP High492.11.2192 Predom. Dn Med542.31.1063 5B SF Bay High553.81.0835 TriNum W/L Low932.80.6432 Predom. Dn M/H486.11.2342 5B AP Low770.50.7787 TriNum W/L Med664.40.9031 Predom. Dn High451.61.3287 5B AP L/M611.60.9811 TriNum W/L Hig584.11.0272 ChiMac Up Low731.10.8207 5B AP Med538.71.1138 Predom. Upwind612.40.9798 ChiMac Up Med664.30.9032 5B AP M/H498.21.2044 Predom. Reaching548.11.0946 ChiMac Up High587.51.0213 5B AP High476.41.2596 Predom. Downwind585.71.0244 ChiMac Off Low734.30.8172 5B W/L Low1043.60.5749 Predom. Up Low826.70.7258 ChiMac Off Med650.00.9230 5B W/L L/M766.50.7827 Predom. Up L/M639.10.9388 ChiMac Off High550.41.0901 5B W/L Med653.40.9183 Predom. Up Med572.21.0485 ChiMac AP Low729.10.8230 5B W/L M/H592.01.0135 Predom. Up M/H540.61.1100 ChiMac AP Med654.60.9165 5B W/L High565.21.0616 Predom. Up High526.21.1402 ChiMac AP High567.41.0575 W/L 60-40 Low1041.40.5761 Predom. Rc Low747.20.8030 BayMac Cove Island835.90.7178 W/L 60-40 L/M771.30.7779 Predom. Rc L/M578.41.0374 BayMac Shore828.40.7243 W/L 60-40 Med664.50.9030 Predom. Rc Med514.51.1662 Harvest Moon487.31.2314 W/L 60-40 M/H609.60.9842 Predom. Rc M/H476.71.2588 5B SF Bay Low878.30.6831 W/L 60-40 High587.31.0216      SA/DSPL Up25.57SA/DSPL Dn41.66
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0063
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.0985.4753.1632.2565.0530.0501.8455.0439.8
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0063
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.0985.4753.1632.2565.0530.0501.8455.0439.8
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance596.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.0985.4753.1632.2565.0530.0501.8455.0439.8
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating596.21.0063
FinRating, kevyt tuuli1027.70.9731
FinRating, kova tuuli479.01.0438
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0063
Triple Number Coastal/Long Distance Low0.8639
Triple Number Coastal/Long Distance Medium1.0996
Triple Number Coastal/Long Distance High1.2192
Triple Number Windward/Leeward Low0.6731
Triple Number Windward/Leeward Medium0.9031
Triple Number Windward/Leeward High1.0272
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.0985.4753.1632.2565.0530.0501.8455.0439.8
For information
General Purpose Handicap (GPH)613.6
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0063
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Saronikos S All Purpose617.80.9712
Saronikos S Upwind685.50.8752
Saronikos S Downwind538.41.1145
Saronikos N All Purpose649.40.9240
Saronikos N Upwind714.70.8395
Saronikos N Downwind586.91.0223
Saronikos SW All Purpose621.90.9647
Saronikos SW Upwind702.20.8544
Saronikos SW Downwind545.41.1002
Saronikos NE All Purpose673.40.8911
Saronikos NE Upwind673.10.8914
Saronikos NE Downwind656.20.9144
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.0985.4753.1632.2565.0530.0501.8455.0439.8
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose571.61.0498
5-Band All Purpose Low834.90.7187
5-Band All Purpose L/M634.00.9464
5-Band All Purpose Med556.21.0787
5-Band All Purpose M/H512.61.1705
5-Band All Purpose High488.51.2282
Single Number Predominant Upwind588.11.0202
Single Number Predominant Reaching528.51.1352
Single Number Predominant Downwind562.11.0675
5-Band 50-50 Windward/Leeward Low1043.60.5749
5-Band 50-50 Windward/Leeward L/M766.50.7827
5-Band 50-50 Windward/Leeward Med653.40.9183
5-Band 50-50 Windward/Leeward M/H592.01.0135
5-Band 50-50 Windward/Leeward High565.21.0616
5-Band 60-40 Windward/Leeward Low1041.40.5761
5-Band 60-40 Windward/Leeward L/M771.30.7779
5-Band 60-40 Windward/Leeward Med664.50.9030
5-Band 60-40 Windward/Leeward M/H609.60.9842
5-Band 60-40 Windward/Leeward High587.31.0216
Triple Number 50-50 Windward/Leeward Low932.80.6432
Triple Number 50-50 Windward/Leeward Med664.50.9030
Triple Number 50-50 Windward/Leeward High584.11.0272
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward680.20.8821
Triple Number 60-40 Windward/Leeward Low932.80.6432
Triple Number 60-40 Windward/Leeward Med674.60.8895
Triple Number 60-40 Windward/Leeward High602.90.9952
Triple Number All-Purpose Low753.50.7962
Triple Number All-Purpose Med563.71.0644
Triple Number All-Purpose High506.01.1858
Triple Number Predominant Upwind Low757.30.7923
Triple Number Predominant Upwind Med580.61.0335
Triple Number Predominant Upwind High541.41.1083
Triple Number Predominant Reaching Low682.40.8792
Triple Number Predominant Reaching Med528.41.1356
Triple Number Predominant Reaching High462.51.2974
Triple Number Predominant Downwind Low761.70.7877
Triple Number Predominant Downwind Med552.61.0857
Triple Number Predominant Downwind High468.31.2812
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0063
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.0985.4753.1632.2565.0530.0501.8455.0439.8
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0063
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.0985.4753.1632.2565.0530.0501.8455.0439.8
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low694.5
Triple Number Coastal/Long Distance Medium545.7
Triple Number Coastal/Long Distance High492.1
Triple Number Windward/Leeward Low891.4
Triple Number Windward/Leeward Medium664.4
Triple Number Windward/Leeward High584.1
Predominantly Upwind589.6
Predominantly Downwind561.1
Predominantly Reaching537.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0063
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.0985.4753.1632.2565.0530.0501.8455.0439.8
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8639
Triple Number Coastal/Long Distance Medium1.0996
Triple Number Coastal/Long Distance High1.2192
Triple Number Windward/Leeward Low0.6731
Triple Number Windward/Leeward Medium0.9031
Triple Number Windward/Leeward High1.0272
Coastal/Long Distance1.0063
Predominantly Upwind1.0176
Predominantly Downwind1.0693
For information
General Purpose Handicap (GPH)613.6
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0931
Distanseseilas Trippeltall svak vind0.8639
Distanseseilas Trippeltall mellomvind1.0996
Distanseseilas Trippeltall sterk vind1.2192
Pølsebane Trippeltall svak vind0.6731
Pølsebane Trippeltall mellomvind0.9031
Pølsebane Trippeltall sterk vind1.0272
Motvind Singeltall1.0176
Medvind Singeltall1.0693
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Coastal/Long Distance596.21.0063
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind589.61.0176
Predominantly Downwind561.11.0693
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore552.81.0853
Cape Doctor Coastal464.81.2909
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8639
Triple Number Coastal/Long Distance Medium1.0996
Triple Number Coastal/Long Distance High1.2192
Triple Number Windward/Leeward Low0.6731
Triple Number Windward/Leeward Medium0.9031
Triple Number Windward/Leeward High1.0272
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8639
Triple Number Coastal/Long Distance Medium1.0996
Triple Number Coastal/Long Distance High1.2192
Triple Number Windward/Leeward Low0.6731
Triple Number Windward/Leeward Medium0.9031
Triple Number Windward/Leeward High1.0272
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0063
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Predominantly Upwind589.61.0176
Predominantly Downwind561.11.0693
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.0985.4753.1632.2565.0530.0501.8455.0439.8
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance596.21.0063
Triple Number Coastal/Long Distance Low694.50.8639
Triple Number Coastal/Long Distance Medium545.71.0996
Triple Number Coastal/Long Distance High492.11.2192
Triple Number Windward/Leeward Low891.40.6731
Triple Number Windward/Leeward Medium664.40.9031
Triple Number Windward/Leeward High584.11.0272
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1411.0985.4753.1632.2565.0530.0501.8455.0439.8
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP571.61.0498 Predom. Dn High451.61.3287 5B AP M/H498.21.2044 TriNum AP Low694.50.8639 Predom. Rc Low747.20.8030 5B AP High476.41.2596 TriNum AP Med545.71.0995 Predom. Rc L/M578.41.0374 5B SF Bay Low878.30.6831 TriNum AP High492.11.2192 Predom. Rc Med514.51.1662 5B SF Bay L/M729.40.8226 TriNum W/L Low932.80.6432 Predom. Rc M/H476.71.2588 5B SF Bay Med631.70.9498 TriNum W/L Med664.40.9031 Predom. Rc High452.41.3263 5B SF Bay M/H578.81.0367 TriNum W/L Hig584.11.0272 5B W/L Low1043.60.5749 5B SF Bay High553.81.0835 Predom. Upwind612.40.9798 5B W/L L/M766.50.7827 ChiMac Up Low731.10.8207 Predom. Reaching548.11.0946 5B W/L Med653.40.9183 ChiMac Up Med664.30.9032 Predom. Downwind585.71.0244 5B W/L M/H592.01.0135 ChiMac Up High587.51.0213 Predom. Up Low826.70.7258 5B W/L High565.21.0616 ChiMac Off Low734.30.8172 Predom. Up L/M639.10.9388 W/L 60-40 Low1041.40.5761 ChiMac Off Med650.00.9230 Predom. Up Med572.21.0485 W/L 60-40 L/M771.30.7779 ChiMac Off High550.41.0901 Predom. Up M/H540.61.1100 W/L 60-40 Med664.50.9030 ChiMac AP Low729.10.8230 Predom. Up High526.21.1402 W/L 60-40 M/H609.60.9842 ChiMac AP Med654.60.9165 Predom. Dn Low851.40.7047 W/L 60-40 High587.31.0216 ChiMac AP High567.41.0575 Predom. Dn L/M632.50.9486 5B AP Low770.50.7787 BayMac Cove Island835.90.7178 Predom. Dn Med542.31.1063 5B AP L/M611.60.9811 BayMac Shore828.40.7243 Predom. Dn M/H486.11.2342 5B AP Med538.71.1138 Harvest Moon487.31.2314      SA/DSPL Up25.57SA/DSPL Dn41.66
ORC Ref  04560004NI1 Issued on 28/04/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
HERON239
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST 36.7MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.640Maximum beam3.458Draft2.218Displacement5,466Wetted area24.97IMS L9.560LSM09.262Accomod. length10.640Sink (kg/mm) 19.13
VCGD0.049VCGM0.045 RM Rated (kg·m) 138.0Limit of positive stability(°) 117.5 Stability Index 118.9 BLR index 0.0000Default crew weight617 Declared crew weight 771
Centerboard weight0.0List angle0.0Canting keel angle0.0
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.405PBW0.110PIPA0.0031
EDL2.430ST10.046ST20.170
ST30.170ST40.097ST50.295
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P13.850IG14.100ISP14.171MDT10.105MDL10.185MDT20.105MDL20.150TL1.300MW0.185GO0.205
E4.750J3.980BAS1.570FSD0.034SFJ0.000SPL4.000WPLTPS4.000BD0.158MWT0.00MCG0.000
PY0.000MDT1Y0.000MDL1Y0.000MDT2Y0.000MDL2Y0.000TLY0.000BASY0.000EY0.000BDY0.000IY0.000EB0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered138.0Flotation Date06/06/2016
SFFP0.367FFM1.364FF1.364LCFcl5.903SG0.0000
SAFP10.162FAM1.056FA1.056LCFsh6.136HBI1.200
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560004NI1 Issued on 28/04/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
HERON239
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN10.111.041.843.094.0139.4822/01/2025
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG1 AP0.080.721.382.804.346.0613.85NoNo 40.3022/01/2025G20.070.611.182.513.935.3813.51NoNo 35.0604/03/2025UL5166PNWJ30.080.581.102.133.174.2013.93YesNo 29.6822/01/2025J40.080.460.871.732.673.6511.73YesNo 20.9522/01/2025
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS214.5414.5414.547.547.1990.5122/01/2025S414.0514.0514.057.447.1786.4822/01/2025
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA114.1913.4413.827.407.5997%85.6322/01/2025A314.0012.8013.407.097.6093%80.3123/01/2025
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04560004NI1 Issued on 28/04/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org