Club Certificate2026
Midnight BatFIN 1257
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
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 Angles45.2°42.8°40.5°39.0°37.5°36.7°36.3°36.4°37.4°
Beat VMG2.223.193.904.394.704.854.924.964.88
52°3.454.835.746.256.526.686.766.816.80
60°3.695.075.956.406.666.816.927.017.01
75°3.825.196.076.516.776.967.117.327.39
90°3.685.066.036.566.837.007.207.577.85
110°3.625.136.176.697.027.307.577.928.13
120°3.474.956.036.636.997.327.678.338.69
135°3.044.455.576.366.807.147.498.389.33
150°2.543.794.885.806.446.837.157.888.85
Run VMG2.203.284.235.045.726.256.647.247.94
Gybe Angles142.9°146.2°149.8°152.9°160.1°167.1°175.4°177.2°167.4°
APH ToD:605.3CDL: 8.046APH ToT: 0.9913CertNo:
BOAT
ClassGuy 33DesignerGuy-Christer LönngBuilderAge date01/1978Series date01/1978Offset fileL1337.BOFData fileFIN1257
HULL
Length Overall10.120 mMaximum Beam2.952 mDraft1.854 mDisplacement3,700 kgDLR6.7007IMS DivisionCruiser/RacerDynamic Allowance0.330%Age Allowance0.650%RS Assessment-0.331%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.390m
CREW
Maximum weight400 kg(declared)Minimum weight270 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail19.5019.82Headsail Luffed27.1227.12Headsail FlyingSymmetric64.1964.19Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail5.68Storm Jib7.29Heavy Weather Jib19.68
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 61.9 kg·m Stability Index 113.8
COMMENTS
ex Keo
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  04140004JFN Issued on 31/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Midnight BatFIN 1257
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
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 VMG1624.61128.2923.6819.5766.0741.6731.0725.7737.4
52°1042.4745.1627.7575.9552.0539.3532.4528.9529.1
60°975.0709.9605.4562.4540.9528.3520.2513.8513.4
75°941.5693.9593.4553.2531.9517.2506.3492.1487.3
90°977.7711.4597.1548.6526.7514.2499.9475.5458.4
110°995.7702.3583.3537.8512.7492.8475.7454.4443.1
120°1036.3728.0596.8543.1514.8491.8469.6432.3414.4
135°1183.6809.3646.8566.5529.6504.4480.4429.4386.0
150°1416.2949.4737.7620.9558.7526.9503.7456.6406.6
Run VMG1635.31096.3851.9714.8629.1576.3542.2497.1453.1
Selected Courses
Windward / Leeward1629.91112.2887.7767.1697.6659.0636.6611.4595.2
All purpose1237.9862.1702.6624.6583.0559.2542.8519.6504.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward733.10.8184
All purpose605.30.9913
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance656.00.9146
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1630.51110.6837.0697.2619.0579.3548.9499.6483.3
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7197
Downwind "popa"0.8558
70% up, 30% down "Ilhabela"0.7558
30% up, 70% down "Ilhabela-inverso"0.8099
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Predominantly Upwind651.70.9206
Predominantly Downwind615.60.9747
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP630.80.9512 Predom. Rc High495.21.2117 5B SF Bay L/M811.30.7395 TriNum AP Low782.30.7670 Predom. Dn Low962.90.6231 5B SF Bay Med691.30.8679 TriNum AP Med600.90.9985 Predom. Dn L/M697.80.8598 5B SF Bay M/H627.80.9557 TriNum AP High538.21.1148 Predom. Dn Med593.01.0118 5B SF Bay High601.00.9983 TriNum W/L Low1050.90.5709 Predom. Dn M/H531.11.1297 5B AP Low878.50.6830 TriNum W/L Med726.90.8254 Predom. Dn High493.61.2155 5B AP L/M680.90.8812 TriNum W/L Hig632.70.9483 ChiMac Up Low832.00.7212 5B AP Med592.51.0126 Predom. Upwind681.40.8805 ChiMac Up Med747.10.8031 5B AP M/H545.01.1009 Predom. Reaching610.10.9834 ChiMac Up High649.10.9244 5B AP High520.91.1518 Predom. Downwind646.40.9283 ChiMac Off Low821.00.7308 5B W/L Low1185.50.5061 Predom. Up Low953.80.6290 ChiMac Off Med721.30.8318 5B W/L L/M850.20.7057 Predom. Up L/M716.50.8374 ChiMac Off High603.90.9936 5B W/L Med713.50.8410 Predom. Up Med630.30.9519 ChiMac AP Low823.10.7290 5B W/L M/H641.20.9357 Predom. Up M/H588.61.0194 ChiMac AP Med731.90.8198 5B W/L High613.00.9789 Predom. Up High571.91.0492 ChiMac AP High625.10.9598 W/L 60-40 Low1188.60.5048 Predom. Rc Low858.10.6992 BayMac Cove Island948.90.6323 W/L 60-40 L/M858.90.6986 Predom. Rc L/M644.70.9307 BayMac Shore941.40.6373 W/L 60-40 Med727.00.8253 Predom. Rc Med567.21.0579 Harvest Moon539.11.1129 W/L 60-40 M/H659.90.9092 Predom. Rc M/H523.41.1463 5B SF Bay Low993.60.6039 W/L 60-40 High636.10.9433      SA/DSPL Up19.41SA/DSPL Dn34.83
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance656.00.9146
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1630.51110.6837.0697.2619.0579.3548.9499.6483.3
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance656.00.9146
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1630.51110.6837.0697.2619.0579.3548.9499.6483.3
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance656.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1630.51110.6837.0697.2619.0579.3548.9499.6483.3
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating656.00.9146
FinRating, kevyt tuuli1172.60.8528
FinRating, kova tuuli524.20.9538
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9146
Triple Number Coastal/Long Distance Low0.7670
Triple Number Coastal/Long Distance Medium0.9986
Triple Number Coastal/Long Distance High1.1148
Triple Number Windward/Leeward Low0.6000
Triple Number Windward/Leeward Medium0.8254
Triple Number Windward/Leeward High0.9483
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1630.51110.6837.0697.2619.0579.3548.9499.6483.3
For information
General Purpose Handicap (GPH)680.4
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance656.00.9146
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Saronikos S All Purpose689.80.8699
Saronikos S Upwind774.30.7749
Saronikos S Downwind593.81.0104
Saronikos N All Purpose725.30.8273
Saronikos N Upwind811.00.7398
Saronikos N Downwind649.10.9243
Saronikos SW All Purpose699.90.8573
Saronikos SW Upwind801.00.7491
Saronikos SW Downwind604.70.9922
Saronikos NE All Purpose758.90.7906
Saronikos NE Upwind768.30.7810
Saronikos NE Downwind734.60.8168
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1630.51110.6837.0697.2619.0579.3548.9499.6483.3
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose630.80.9512
5-Band All Purpose Low954.60.6286
5-Band All Purpose L/M705.50.8505
5-Band All Purpose Med610.90.9822
5-Band All Purpose M/H559.51.0724
5-Band All Purpose High532.61.1266
Single Number Predominant Upwind650.40.9224
Single Number Predominant Reaching584.41.0267
Single Number Predominant Downwind616.20.9736
5-Band 50-50 Windward/Leeward Low1185.50.5061
5-Band 50-50 Windward/Leeward L/M850.20.7057
5-Band 50-50 Windward/Leeward Med713.50.8410
5-Band 50-50 Windward/Leeward M/H641.20.9357
5-Band 50-50 Windward/Leeward High613.00.9789
5-Band 60-40 Windward/Leeward Low1188.60.5048
5-Band 60-40 Windward/Leeward L/M858.90.6986
5-Band 60-40 Windward/Leeward Med727.00.8253
5-Band 60-40 Windward/Leeward M/H659.90.9092
5-Band 60-40 Windward/Leeward High636.10.9433
Triple Number 50-50 Windward/Leeward Low1050.90.5709
Triple Number 50-50 Windward/Leeward Med727.10.8252
Triple Number 50-50 Windward/Leeward High632.70.9483
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward746.50.8037
Triple Number 60-40 Windward/Leeward Low1055.80.5683
Triple Number 60-40 Windward/Leeward Med739.80.8110
Triple Number 60-40 Windward/Leeward High652.50.9195
Triple Number All-Purpose Low853.20.7032
Triple Number All-Purpose Med619.90.9679
Triple Number All-Purpose High552.01.0870
Triple Number Predominant Upwind Low865.50.6932
Triple Number Predominant Upwind Med641.30.9357
Triple Number Predominant Upwind High588.81.0190
Triple Number Predominant Reaching Low774.70.7745
Triple Number Predominant Reaching Med582.71.0297
Triple Number Predominant Reaching High507.71.1817
Triple Number Predominant Downwind Low854.60.7021
Triple Number Predominant Downwind Med603.90.9936
Triple Number Predominant Downwind High511.71.1725
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance656.00.9146
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1630.51110.6837.0697.2619.0579.3548.9499.6483.3
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance656.00.9146
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1630.51110.6837.0697.2619.0579.3548.9499.6483.3
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low782.3
Triple Number Coastal/Long Distance Medium600.8
Triple Number Coastal/Long Distance High538.2
Triple Number Windward/Leeward Low1000.0
Triple Number Windward/Leeward Medium726.9
Triple Number Windward/Leeward High632.7
Predominantly Upwind651.7
Predominantly Downwind615.6
Predominantly Reaching593.4
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance656.00.9146
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1630.51110.6837.0697.2619.0579.3548.9499.6483.3
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7670
Triple Number Coastal/Long Distance Medium0.9986
Triple Number Coastal/Long Distance High1.1148
Triple Number Windward/Leeward Low0.6000
Triple Number Windward/Leeward Medium0.8254
Triple Number Windward/Leeward High0.9483
Coastal/Long Distance0.9146
Predominantly Upwind0.9206
Predominantly Downwind0.9747
For information
General Purpose Handicap (GPH)680.4
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.9913
Distanseseilas Trippeltall svak vind0.7670
Distanseseilas Trippeltall mellomvind0.9986
Distanseseilas Trippeltall sterk vind1.1148
Pølsebane Trippeltall svak vind0.6000
Pølsebane Trippeltall mellomvind0.8254
Pølsebane Trippeltall sterk vind0.9483
Motvind Singeltall0.9206
Medvind Singeltall0.9747
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Coastal/Long Distance656.00.9146
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind651.70.9206
Predominantly Downwind615.60.9747
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore600.10.9998
Cape Doctor Coastal508.81.1793
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7670
Triple Number Coastal/Long Distance Medium0.9986
Triple Number Coastal/Long Distance High1.1148
Triple Number Windward/Leeward Low0.6000
Triple Number Windward/Leeward Medium0.8254
Triple Number Windward/Leeward High0.9483
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.7670
Triple Number Coastal/Long Distance Medium0.9986
Triple Number Coastal/Long Distance High1.1148
Triple Number Windward/Leeward Low0.6000
Triple Number Windward/Leeward Medium0.8254
Triple Number Windward/Leeward High0.9483
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance656.00.9146
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Predominantly Upwind651.70.9206
Predominantly Downwind615.60.9747
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1630.51110.6837.0697.2619.0579.3548.9499.6483.3
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance656.00.9146
Triple Number Coastal/Long Distance Low782.30.7670
Triple Number Coastal/Long Distance Medium600.80.9986
Triple Number Coastal/Long Distance High538.21.1148
Triple Number Windward/Leeward Low1000.00.6000
Triple Number Windward/Leeward Medium726.90.8254
Triple Number Windward/Leeward High632.70.9483
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1630.51110.6837.0697.2619.0579.3548.9499.6483.3
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP630.80.9512 Predom. Dn High493.61.2155 5B AP M/H545.01.1009 TriNum AP Low782.30.7670 Predom. Rc Low858.10.6992 5B AP High520.91.1518 TriNum AP Med600.90.9985 Predom. Rc L/M644.70.9307 5B SF Bay Low993.60.6039 TriNum AP High538.21.1148 Predom. Rc Med567.21.0579 5B SF Bay L/M811.30.7395 TriNum W/L Low1050.90.5709 Predom. Rc M/H523.41.1463 5B SF Bay Med691.30.8679 TriNum W/L Med726.90.8254 Predom. Rc High495.21.2117 5B SF Bay M/H627.80.9557 TriNum W/L Hig632.70.9483 5B W/L Low1185.50.5061 5B SF Bay High601.00.9983 Predom. Upwind681.40.8805 5B W/L L/M850.20.7057 ChiMac Up Low832.00.7212 Predom. Reaching610.10.9834 5B W/L Med713.50.8410 ChiMac Up Med747.10.8031 Predom. Downwind646.40.9283 5B W/L M/H641.20.9357 ChiMac Up High649.10.9244 Predom. Up Low953.80.6290 5B W/L High613.00.9789 ChiMac Off Low821.00.7308 Predom. Up L/M716.50.8374 W/L 60-40 Low1188.60.5048 ChiMac Off Med721.30.8318 Predom. Up Med630.30.9519 W/L 60-40 L/M858.90.6986 ChiMac Off High603.90.9936 Predom. Up M/H588.61.0194 W/L 60-40 Med727.00.8253 ChiMac AP Low823.10.7290 Predom. Up High571.91.0492 W/L 60-40 M/H659.90.9092 ChiMac AP Med731.90.8198 Predom. Dn Low962.90.6231 W/L 60-40 High636.10.9433 ChiMac AP High625.10.9598 Predom. Dn L/M697.80.8598 5B AP Low878.50.6830 BayMac Cove Island948.90.6323 Predom. Dn Med593.01.0118 5B AP L/M680.90.8812 BayMac Shore941.40.6373 Predom. Dn M/H531.11.1297 5B AP Med592.51.0126 Harvest Moon539.11.1129      SA/DSPL Up19.41SA/DSPL Dn34.83
ORC Ref  04140004JFN Issued on 31/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Midnight BatFIN 1257
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassGuy 33MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabYes
Length overall10.120Maximum beam2.952Draft1.854Displacement3,700Wetted area18.93IMS L8.491LSM08.203Accomod. length9.594Sink (kg/mm) 13.37
VCGD-0.038VCGM-0.043 RM Rated (kg·m) 61.9Limit of positive stability(°) 112.6 Stability Index 113.8 BLR index 0.0000Default crew weight519 Declared crew weight 400
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.390PBW0.100PIPA0.0024
PSD0.025PHD0.050PHL0.110
PSA17.0°ESL0.790
ST1ST2ST3
ST4ST50.245
RIG
BackstayAdjustableForestayAdjustable (turnbuckle)Inner forestayFixedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysNoSpreaders2Rotating mastNo
P10.300IG12.073ISP12.073MDT10.115MDL10.171MDT20.115MDL20.171TL0.000MW0.171GO0.171
E3.150J3.685BAS1.303FSD0.000SFJ0.560SPL3.600WPLTPS0.000BD0.110MWT91.70MCG4.606
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date04/03/2020
SFFP0.500FFMFF1.046LCFcl5.633SG
SAFP8.182FAMFA0.682LCFsh5.824HBI0.797
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04140004JFN Issued on 31/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
Midnight BatFIN 1257
Avomeripurjehtijat ry
c/o Helsingfors Segelklubb ry
Vattuniemen puistotie 1
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.130.721.262.042.6219.50
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.080.591.152.313.494.6411.67NoNo 27.1216/04/2022
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment211.6011.6011.606.666.5664.1916/04/2022
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length9.6 mTable area0.44 m²Headroom1.67 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity72 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity42 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04140004JFN Issued on 31/03/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org