Club Certificate2026
FireflyGBR 3550L
ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
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 Angles45.7°42.2°40.3°38.5°37.4°36.8°36.6°36.6°37.7°
Beat VMG2.623.684.444.975.225.345.415.475.41
52°4.105.546.487.017.267.387.467.547.55
60°4.385.816.697.167.437.587.677.787.82
75°4.595.996.827.277.597.837.998.198.29
90°4.465.876.827.337.597.908.198.618.87
110°4.245.856.917.477.898.268.518.969.29
120°4.085.676.767.377.838.298.759.5110.18
135°3.565.086.247.037.538.008.499.7211.83
150°2.954.285.436.407.097.557.998.9910.45
Run VMG2.553.714.705.566.296.887.338.149.11
Gybe Angles139.0°144.7°149.4°153.0°159.8°167.3°174.1°173.6°163.6°
APH ToD:541.7CDL: 9.436APH ToT: 1.1076CertNo:061701
BOAT
ClassX-35DesignerN. JEPPESENBuilderX YACHTSAge date03/2007Series date09/2005Offset filex35.od.offData fileGBR3550L
HULL
Length Overall10.600 mMaximum Beam3.250 mDraft2.175 mDisplacement4,651 kgDLR6.0737IMS DivisionCruiser/RacerDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight650 kg(declared)Minimum weight520 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail40.9641.79Headsail Luffed31.2631.26Headsail FlyingSymmetric91.7791.77Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail11.88Storm Jib10.45Heavy Weather Jib28.19
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 130.0 kg·m Stability Index 133.7
COMMENTS
SPL = 4.284
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  03860004TD1 Issued on 17/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
FireflyGBR 3550L
ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
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 VMG1372.9979.5810.9724.9689.4673.8664.9657.6665.5
52°878.6649.7555.2513.5495.6487.8482.9477.3476.7
60°821.2619.9538.2502.6484.6475.2469.6462.7460.6
75°784.7601.4527.9495.3474.5459.9450.5439.6434.0
90°806.8613.4528.0491.0474.1455.6439.8418.3405.8
110°849.2615.9520.9482.0456.1435.9423.0401.7387.6
120°881.7635.3532.4488.3459.5434.4411.6378.6353.6
135°1011.5709.0576.8512.2478.0450.2424.0370.3304.4
150°1221.5840.7663.0562.2507.7476.6450.5400.6344.5
Run VMG1410.5970.7765.6646.9572.2523.5491.0442.5395.1
Selected Courses
Windward / Leeward1391.7975.1788.2685.9630.8598.6578.0550.1530.3
All purpose1050.6753.3623.9559.0524.6502.9487.2463.1443.8
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward659.00.9104
All purpose541.71.1076
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.81.0207
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1393.6974.7743.7623.8557.8521.5491.9444.0425.2
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8076
Downwind "popa"0.9518
70% up, 30% down "Ilhabela"0.8460
30% up, 70% down "Ilhabela-inverso"0.9034
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Predominantly Upwind583.41.0285
Predominantly Downwind552.31.0864
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP562.81.0661 Predom. Rc High436.91.3732 5B SF Bay L/M720.90.8323 TriNum AP Low688.60.8714 Predom. Dn Low839.00.7151 5B SF Bay Med622.40.9641 TriNum AP Med539.01.1132 Predom. Dn L/M623.10.9629 5B SF Bay M/H567.41.0574 TriNum AP High482.11.2445 Predom. Dn Med534.11.1235 5B SF Bay High538.81.1136 TriNum W/L Low922.40.6505 Predom. Dn M/H475.41.2620 5B AP Low763.20.7862 TriNum W/L Med654.20.9171 Predom. Dn High435.31.3785 5B AP L/M605.40.9911 TriNum W/L Hig572.71.0477 ChiMac Up Low727.60.8247 5B AP Med531.81.1282 Predom. Upwind605.70.9906 ChiMac Up Med659.10.9103 5B AP M/H489.01.2271 Predom. Reaching540.91.1092 ChiMac Up High579.81.0349 5B AP High463.91.2933 Predom. Downwind575.31.0429 ChiMac Off Low723.30.8296 5B W/L Low1032.50.5811 Predom. Up Low824.80.7274 ChiMac Off Med639.70.9380 5B W/L L/M756.40.7932 Predom. Up L/M634.90.9450 ChiMac Off High539.71.1117 5B W/L Med643.30.9327 Predom. Up Med565.91.0603 ChiMac AP Low722.10.8309 5B W/L M/H581.21.0324 Predom. Up M/H530.51.1309 ChiMac AP Med647.10.9272 5B W/L High551.51.0880 Predom. Up High512.81.1702 ChiMac AP High558.41.0745 W/L 60-40 Low1033.20.5807 Predom. Rc Low742.00.8086 BayMac Cove Island827.10.7254 W/L 60-40 L/M762.60.7867 Predom. Rc L/M573.21.0468 BayMac Shore820.10.7316 W/L 60-40 Med654.70.9164 Predom. Rc Med508.91.1790 Harvest Moon479.71.2507 W/L 60-40 M/H598.41.0027 Predom. Rc M/H466.61.2858 5B SF Bay Low871.10.6888 W/L 60-40 High573.21.0467      SA/DSPL Up25.79SA/DSPL Dn47.39
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.81.0207
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1393.6974.7743.7623.8557.8521.5491.9444.0425.2
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.81.0207
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1393.6974.7743.7623.8557.8521.5491.9444.0425.2
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance587.8
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1393.6974.7743.7623.8557.8521.5491.9444.0425.2
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating587.81.0207
FinRating, kevyt tuuli1016.70.9836
FinRating, kova tuuli466.01.0729
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0207
Triple Number Coastal/Long Distance Low0.8714
Triple Number Coastal/Long Distance Medium1.1133
Triple Number Coastal/Long Distance High1.2445
Triple Number Windward/Leeward Low0.6805
Triple Number Windward/Leeward Medium0.9171
Triple Number Windward/Leeward High1.0477
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1393.6974.7743.7623.8557.8521.5491.9444.0425.2
For information
General Purpose Handicap (GPH)606.3
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.81.0207
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Saronikos S All Purpose610.80.9823
Saronikos S Upwind682.30.8794
Saronikos S Downwind527.01.1385
Saronikos N All Purpose642.10.9344
Saronikos N Upwind711.50.8433
Saronikos N Downwind576.81.0402
Saronikos SW All Purpose615.00.9755
Saronikos SW Upwind700.90.8561
Saronikos SW Downwind533.51.1247
Saronikos NE All Purpose665.90.9010
Saronikos NE Upwind670.30.8951
Saronikos NE Downwind645.10.9301
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1393.6974.7743.7623.8557.8521.5491.9444.0425.2
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose562.81.0661
5-Band All Purpose Low828.10.7246
5-Band All Purpose L/M627.40.9563
5-Band All Purpose Med549.11.0926
5-Band All Purpose M/H502.41.1943
5-Band All Purpose High473.81.2663
Single Number Predominant Upwind582.01.0309
Single Number Predominant Reaching522.51.1483
Single Number Predominant Downwind553.11.0847
5-Band 50-50 Windward/Leeward Low1032.50.5811
5-Band 50-50 Windward/Leeward L/M756.40.7932
5-Band 50-50 Windward/Leeward Med643.30.9327
5-Band 50-50 Windward/Leeward M/H581.21.0324
5-Band 50-50 Windward/Leeward High551.51.0880
5-Band 60-40 Windward/Leeward Low1033.20.5807
5-Band 60-40 Windward/Leeward L/M762.60.7867
5-Band 60-40 Windward/Leeward Med654.70.9164
5-Band 60-40 Windward/Leeward M/H598.41.0027
5-Band 60-40 Windward/Leeward High573.21.0467
Triple Number 50-50 Windward/Leeward Low922.40.6505
Triple Number 50-50 Windward/Leeward Med654.30.9170
Triple Number 50-50 Windward/Leeward High572.71.0477
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward670.40.8950
Triple Number 60-40 Windward/Leeward Low924.80.6488
Triple Number 60-40 Windward/Leeward Med665.00.9023
Triple Number 60-40 Windward/Leeward High591.01.0152
Triple Number All-Purpose Low746.90.8033
Triple Number All-Purpose Med556.71.0777
Triple Number All-Purpose High494.71.2129
Triple Number Predominant Upwind Low754.30.7954
Triple Number Predominant Upwind Med574.61.0443
Triple Number Predominant Upwind High530.61.1308
Triple Number Predominant Reaching Low677.10.8861
Triple Number Predominant Reaching Med522.81.1477
Triple Number Predominant Reaching High451.11.3301
Triple Number Predominant Downwind Low750.90.7990
Triple Number Predominant Downwind Med544.11.1027
Triple Number Predominant Downwind High456.31.3149
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.81.0207
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1393.6974.7743.7623.8557.8521.5491.9444.0425.2
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.81.0207
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1393.6974.7743.7623.8557.8521.5491.9444.0425.2
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low688.5
Triple Number Coastal/Long Distance Medium538.9
Triple Number Coastal/Long Distance High482.1
Triple Number Windward/Leeward Low881.7
Triple Number Windward/Leeward Medium654.2
Triple Number Windward/Leeward High572.7
Predominantly Upwind583.4
Predominantly Downwind552.3
Predominantly Reaching530.8
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.81.0207
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1393.6974.7743.7623.8557.8521.5491.9444.0425.2
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8714
Triple Number Coastal/Long Distance Medium1.1133
Triple Number Coastal/Long Distance High1.2445
Triple Number Windward/Leeward Low0.6805
Triple Number Windward/Leeward Medium0.9171
Triple Number Windward/Leeward High1.0477
Coastal/Long Distance1.0207
Predominantly Upwind1.0285
Predominantly Downwind1.0864
For information
General Purpose Handicap (GPH)606.3
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1076
Distanseseilas Trippeltall svak vind0.8714
Distanseseilas Trippeltall mellomvind1.1133
Distanseseilas Trippeltall sterk vind1.2445
Pølsebane Trippeltall svak vind0.6805
Pølsebane Trippeltall mellomvind0.9171
Pølsebane Trippeltall sterk vind1.0477
Motvind Singeltall1.0285
Medvind Singeltall1.0864
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Coastal/Long Distance587.81.0207
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind583.41.0285
Predominantly Downwind552.31.0864
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore536.21.1189
Cape Doctor Coastal449.61.3346
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8714
Triple Number Coastal/Long Distance Medium1.1133
Triple Number Coastal/Long Distance High1.2445
Triple Number Windward/Leeward Low0.6805
Triple Number Windward/Leeward Medium0.9171
Triple Number Windward/Leeward High1.0477
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8714
Triple Number Coastal/Long Distance Medium1.1133
Triple Number Coastal/Long Distance High1.2445
Triple Number Windward/Leeward Low0.6805
Triple Number Windward/Leeward Medium0.9171
Triple Number Windward/Leeward High1.0477
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.81.0207
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Predominantly Upwind583.41.0285
Predominantly Downwind552.31.0864
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1393.6974.7743.7623.8557.8521.5491.9444.0425.2
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance587.81.0207
Triple Number Coastal/Long Distance Low688.50.8714
Triple Number Coastal/Long Distance Medium538.91.1133
Triple Number Coastal/Long Distance High482.11.2445
Triple Number Windward/Leeward Low881.70.6805
Triple Number Windward/Leeward Medium654.20.9171
Triple Number Windward/Leeward High572.71.0477
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1393.6974.7743.7623.8557.8521.5491.9444.0425.2
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP562.81.0661 Predom. Dn High435.31.3785 5B AP M/H489.01.2271 TriNum AP Low688.60.8714 Predom. Rc Low742.00.8086 5B AP High463.91.2933 TriNum AP Med539.01.1132 Predom. Rc L/M573.21.0468 5B SF Bay Low871.10.6888 TriNum AP High482.11.2445 Predom. Rc Med508.91.1790 5B SF Bay L/M720.90.8323 TriNum W/L Low922.40.6505 Predom. Rc M/H466.61.2858 5B SF Bay Med622.40.9641 TriNum W/L Med654.20.9171 Predom. Rc High436.91.3732 5B SF Bay M/H567.41.0574 TriNum W/L Hig572.71.0477 5B W/L Low1032.50.5811 5B SF Bay High538.81.1136 Predom. Upwind605.70.9906 5B W/L L/M756.40.7932 ChiMac Up Low727.60.8247 Predom. Reaching540.91.1092 5B W/L Med643.30.9327 ChiMac Up Med659.10.9103 Predom. Downwind575.31.0429 5B W/L M/H581.21.0324 ChiMac Up High579.81.0349 Predom. Up Low824.80.7274 5B W/L High551.51.0880 ChiMac Off Low723.30.8296 Predom. Up L/M634.90.9450 W/L 60-40 Low1033.20.5807 ChiMac Off Med639.70.9380 Predom. Up Med565.91.0603 W/L 60-40 L/M762.60.7867 ChiMac Off High539.71.1117 Predom. Up M/H530.51.1309 W/L 60-40 Med654.70.9164 ChiMac AP Low722.10.8309 Predom. Up High512.81.1702 W/L 60-40 M/H598.41.0027 ChiMac AP Med647.10.9272 Predom. Dn Low839.00.7151 W/L 60-40 High573.21.0467 ChiMac AP High558.41.0745 Predom. Dn L/M623.10.9629 5B AP Low763.20.7862 BayMac Cove Island827.10.7254 Predom. Dn Med534.11.1235 5B AP L/M605.40.9911 BayMac Shore820.10.7316 Predom. Dn M/H475.41.2620 5B AP Med531.81.1282 Harvest Moon479.71.2507      SA/DSPL Up25.79SA/DSPL Dn47.39
ORC Ref  03860004TD1 Issued on 17/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
FireflyGBR 3550L
ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-35Measurement25/02/2013HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.600Maximum beam3.250Draft2.175Displacement4,651Wetted area22.84IMS L9.489LSM09.148Accomod. length10.563Sink (kg/mm) 17.09
VCGD-0.236VCGM-0.262 RM Rated (kg·m) 130.0Limit of positive stability(°) 132.6 Stability Index 133.7 BLR index 0.0000Default crew weight606 Declared crew weight 650
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0033
EDL2.390ST10.042ST20.178
ST30.182ST40.110ST50.250
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders2Rotating mastNo
P14.140IG14.450ISP14.530MDT10.125MDL10.184MDT20.118MDL20.140TL1.190MWGO
E4.800J4.200BAS1.770FSD0.035SFJSPL4.284WPLTPSBD0.220MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered130.0Flotation Date09/01/2013
SFFP0.075FFM1.184FF1.184LCFcl5.738SG1.0253
SAFP10.275FAM1.073FA1.073LCFsh5.947HBI1.065
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03860004TD1 Issued on 17/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
FireflyGBR 3550L
ORC
Central Rating Office
Issuing certificates for
UNITED KINGDOM
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20180.211.051.843.154.0840.9624/06/2019
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20180.100.621.172.233.254.2814.20NoNo 31.2601/07/2018
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment843014.2914.2914.297.767.4991.7728/06/2012
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length10.6 mTable area0.44 m²Headroom1.74 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity92 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity62 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03860004TD1 Issued on 17/06/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org