Club Certificate2026
FIREFLY-45USA 45
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°40.0°37.5°36.5°36.0°35.7°35.6°36.3°
Beat VMG2.773.834.595.055.245.335.395.455.41
52°4.325.786.637.017.187.267.327.407.41
60°4.636.046.797.147.337.437.507.617.64
75°4.856.206.897.257.507.677.797.998.12
90°4.716.086.857.267.567.838.068.398.66
110°4.055.656.737.287.678.008.288.728.97
120°3.925.506.607.227.658.088.499.219.79
135°3.444.956.136.917.407.858.329.4211.20
150°2.874.195.346.316.997.437.858.7910.11
Run VMG2.493.634.635.486.196.757.187.958.84
Gybe Angles140.4°145.3°149.6°152.8°159.2°166.4°171.8°170.9°163.1°
APH ToD:545.9CDL: 9.284APH ToT: 1.0991CertNo:US45-35
BOAT
ClassJ 35DesignerJOHNSTONEBuilderJ BOATAge date01/1984Series date01/1983Offset fileJ35.OFFData fileUS45-35
HULL
Length Overall10.820 mMaximum Beam3.646 mDraft2.104 mDisplacement4,358 kgDLR6.4986IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.650%RS Assessment-0.203%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.440m
CREW
Maximum weight569 kg(default)Minimum weight439 kg ✱ when appliedCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail32.0332.62Headsail Luffed50.6250.62Headsail FlyingSymmetric94.0294.02Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail9.45Storm Jib10.14Heavy Weather Jib27.37
SAIL LIMITS
Headsails5Spinnakers4
STABILITY
Righting Moment 118.0 kg·m Stability Index 113.0
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  04560004V7V Issued on 14/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
FIREFLY-45USA 45
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 VMG1301.6938.9784.0713.6687.5674.9667.7660.5665.1
52°834.0623.0543.1513.5501.6495.6491.9486.8485.8
60°777.6595.8529.9503.9491.1484.6480.1473.3471.2
75°742.8580.4522.3496.3480.1469.1462.1450.6443.2
90°764.5592.3525.7495.8476.1460.0446.9428.9415.6
110°889.3636.8534.7494.3469.6450.0434.7413.0401.5
120°918.3654.8545.4498.9470.4445.8424.0391.1367.7
135°1045.2726.6587.6520.9486.2458.6432.8382.0321.6
150°1252.8858.4673.6570.6515.3484.4458.7409.8356.3
Run VMG1446.6991.1777.8656.9581.3533.5501.4453.1407.3
Selected Courses
Windward / Leeward1374.1965.0780.9685.2634.4604.2584.5556.8536.2
All purpose1036.7745.6621.2561.6530.1510.1495.3471.9452.8
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward660.80.9079
All purpose545.91.0991
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1381.3967.6738.5624.9562.6528.4500.3454.2435.7
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.8192
Downwind "popa"0.9343
70% up, 30% down "Ilhabela"0.8506
30% up, 70% down "Ilhabela-inverso"0.8965
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Predominantly Upwind583.21.0289
Predominantly Downwind558.11.0752
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP566.41.0594 Predom. Rc High446.81.3428 5B SF Bay L/M716.70.8371 TriNum AP Low683.40.8780 Predom. Dn Low843.10.7117 5B SF Bay Med624.70.9604 TriNum AP Med543.21.1045 Predom. Dn L/M628.00.9555 5B SF Bay M/H573.41.0464 TriNum AP High490.21.2239 Predom. Dn Med540.61.1098 5B SF Bay High545.41.1000 TriNum W/L Low913.50.6568 Predom. Dn M/H484.01.2398 5B AP Low759.80.7897 TriNum W/L Med656.00.9146 Predom. Dn High445.51.3467 5B AP L/M605.10.9916 TriNum W/L Hig579.01.0362 ChiMac Up Low714.00.8403 5B AP Med536.61.1181 Predom. Upwind604.00.9934 ChiMac Up Med652.40.9196 5B AP M/H496.81.2078 Predom. Reaching543.91.1031 ChiMac Up High580.31.0340 5B AP High472.61.2695 Predom. Downwind582.01.0309 ChiMac Off Low728.10.8241 5B W/L Low1021.30.5875 Predom. Up Low801.80.7483 ChiMac Off Med645.50.9295 5B W/L L/M752.70.7972 Predom. Up L/M628.00.9554 ChiMac Off High546.81.0974 5B W/L Med645.80.9291 Predom. Up Med567.91.0565 ChiMac AP Low717.30.8365 5B W/L M/H587.31.0215 Predom. Up M/H537.01.1174 ChiMac AP Med646.40.9282 5B W/L High558.01.0752 Predom. Up High520.41.1531 ChiMac AP High562.11.0675 W/L 60-40 Low1015.20.5910 Predom. Rc Low732.60.8190 BayMac Cove Island820.80.7310 W/L 60-40 L/M755.70.7940 Predom. Rc L/M573.51.0462 BayMac Shore813.00.7380 W/L 60-40 Med655.80.9149 Predom. Rc Med513.61.1683 Harvest Moon486.81.2325 W/L 60-40 M/H603.70.9938 Predom. Rc M/H474.31.2649 5B SF Bay Low860.70.6971 W/L 60-40 High578.91.0364      SA/DSPL Up30.82SA/DSPL Dn47.01
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1381.3967.6738.5624.9562.6528.4500.3454.2435.7
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1381.3967.6738.5624.9562.6528.4500.3454.2435.7
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance591.0
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1381.3967.6738.5624.9562.6528.4500.3454.2435.7
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating591.01.0153
FinRating, kevyt tuuli1006.60.9934
FinRating, kova tuuli475.11.0524
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0153
Triple Number Coastal/Long Distance Low0.8780
Triple Number Coastal/Long Distance Medium1.1046
Triple Number Coastal/Long Distance High1.2239
Triple Number Windward/Leeward Low0.6873
Triple Number Windward/Leeward Medium0.9146
Triple Number Windward/Leeward High1.0362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1381.3967.6738.5624.9562.6528.4500.3454.2435.7
For information
General Purpose Handicap (GPH)608.7
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Saronikos S All Purpose608.10.9867
Saronikos S Upwind669.30.8964
Saronikos S Downwind540.21.1107
Saronikos N All Purpose640.20.9373
Saronikos N Upwind695.20.8630
Saronikos N Downwind590.91.0154
Saronikos SW All Purpose610.80.9823
Saronikos SW Upwind683.10.8783
Saronikos SW Downwind547.91.0952
Saronikos NE All Purpose666.10.9007
Saronikos NE Upwind655.30.9156
Saronikos NE Downwind663.70.9041
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1381.3967.6738.5624.9562.6528.4500.3454.2435.7
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose566.41.0594
5-Band All Purpose Low817.70.7338
5-Band All Purpose L/M626.20.9582
5-Band All Purpose Med553.31.0845
5-Band All Purpose M/H509.81.1770
5-Band All Purpose High482.71.2429
Single Number Predominant Upwind581.51.0318
Single Number Predominant Reaching526.01.1408
Single Number Predominant Downwind559.21.0730
5-Band 50-50 Windward/Leeward Low1021.30.5875
5-Band 50-50 Windward/Leeward L/M752.70.7972
5-Band 50-50 Windward/Leeward Med645.80.9291
5-Band 50-50 Windward/Leeward M/H587.31.0215
5-Band 50-50 Windward/Leeward High558.01.0752
5-Band 60-40 Windward/Leeward Low1015.20.5910
5-Band 60-40 Windward/Leeward L/M755.70.7940
5-Band 60-40 Windward/Leeward Med655.80.9149
5-Band 60-40 Windward/Leeward M/H603.70.9938
5-Band 60-40 Windward/Leeward High578.91.0364
Triple Number 50-50 Windward/Leeward Low913.50.6568
Triple Number 50-50 Windward/Leeward Med656.10.9145
Triple Number 50-50 Windward/Leeward High579.01.0362
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward670.50.8949
Triple Number 60-40 Windward/Leeward Low910.50.6590
Triple Number 60-40 Windward/Leeward Med665.10.9021
Triple Number 60-40 Windward/Leeward High596.61.0057
Triple Number All-Purpose Low739.60.8113
Triple Number All-Purpose Med560.41.0707
Triple Number All-Purpose High502.51.1940
Triple Number Predominant Upwind Low737.80.8132
Triple Number Predominant Upwind Med575.51.0426
Triple Number Predominant Upwind High537.31.1167
Triple Number Predominant Reaching Low670.80.8945
Triple Number Predominant Reaching Med526.91.1387
Triple Number Predominant Reaching High459.61.3056
Triple Number Predominant Downwind Low754.30.7955
Triple Number Predominant Downwind Med550.91.0891
Triple Number Predominant Downwind High465.61.2886
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1381.3967.6738.5624.9562.6528.4500.3454.2435.7
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1381.3967.6738.5624.9562.6528.4500.3454.2435.7
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low683.4
Triple Number Coastal/Long Distance Medium543.2
Triple Number Coastal/Long Distance High490.2
Triple Number Windward/Leeward Low873.0
Triple Number Windward/Leeward Medium656.0
Triple Number Windward/Leeward High579.0
Predominantly Upwind583.2
Predominantly Downwind558.1
Predominantly Reaching535.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1381.3967.6738.5624.9562.6528.4500.3454.2435.7
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8780
Triple Number Coastal/Long Distance Medium1.1046
Triple Number Coastal/Long Distance High1.2239
Triple Number Windward/Leeward Low0.6873
Triple Number Windward/Leeward Medium0.9146
Triple Number Windward/Leeward High1.0362
Coastal/Long Distance1.0153
Predominantly Upwind1.0289
Predominantly Downwind1.0752
For information
General Purpose Handicap (GPH)608.7
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0991
Distanseseilas Trippeltall svak vind0.8780
Distanseseilas Trippeltall mellomvind1.1046
Distanseseilas Trippeltall sterk vind1.2239
Pølsebane Trippeltall svak vind0.6873
Pølsebane Trippeltall mellomvind0.9146
Pølsebane Trippeltall sterk vind1.0362
Motvind Singeltall1.0289
Medvind Singeltall1.0752
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Coastal/Long Distance591.01.0153
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind583.21.0289
Predominantly Downwind558.11.0752
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore542.41.1062
Cape Doctor Coastal458.51.3085
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8780
Triple Number Coastal/Long Distance Medium1.1046
Triple Number Coastal/Long Distance High1.2239
Triple Number Windward/Leeward Low0.6873
Triple Number Windward/Leeward Medium0.9146
Triple Number Windward/Leeward High1.0362
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8780
Triple Number Coastal/Long Distance Medium1.1046
Triple Number Coastal/Long Distance High1.2239
Triple Number Windward/Leeward Low0.6873
Triple Number Windward/Leeward Medium0.9146
Triple Number Windward/Leeward High1.0362
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Predominantly Upwind583.21.0289
Predominantly Downwind558.11.0752
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1381.3967.6738.5624.9562.6528.4500.3454.2435.7
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance591.01.0153
Triple Number Coastal/Long Distance Low683.40.8780
Triple Number Coastal/Long Distance Medium543.21.1046
Triple Number Coastal/Long Distance High490.21.2239
Triple Number Windward/Leeward Low873.00.6873
Triple Number Windward/Leeward Medium656.00.9146
Triple Number Windward/Leeward High579.01.0362
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1381.3967.6738.5624.9562.6528.4500.3454.2435.7
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP566.41.0594 Predom. Dn High445.51.3467 5B AP M/H496.81.2078 TriNum AP Low683.40.8780 Predom. Rc Low732.60.8190 5B AP High472.61.2695 TriNum AP Med543.21.1045 Predom. Rc L/M573.51.0462 5B SF Bay Low860.70.6971 TriNum AP High490.21.2239 Predom. Rc Med513.61.1683 5B SF Bay L/M716.70.8371 TriNum W/L Low913.50.6568 Predom. Rc M/H474.31.2649 5B SF Bay Med624.70.9604 TriNum W/L Med656.00.9146 Predom. Rc High446.81.3428 5B SF Bay M/H573.41.0464 TriNum W/L Hig579.01.0362 5B W/L Low1021.30.5875 5B SF Bay High545.41.1000 Predom. Upwind604.00.9934 5B W/L L/M752.70.7972 ChiMac Up Low714.00.8403 Predom. Reaching543.91.1031 5B W/L Med645.80.9291 ChiMac Up Med652.40.9196 Predom. Downwind582.01.0309 5B W/L M/H587.31.0215 ChiMac Up High580.31.0340 Predom. Up Low801.80.7483 5B W/L High558.01.0752 ChiMac Off Low728.10.8241 Predom. Up L/M628.00.9554 W/L 60-40 Low1015.20.5910 ChiMac Off Med645.50.9295 Predom. Up Med567.91.0565 W/L 60-40 L/M755.70.7940 ChiMac Off High546.81.0974 Predom. Up M/H537.01.1174 W/L 60-40 Med655.80.9149 ChiMac AP Low717.30.8365 Predom. Up High520.41.1531 W/L 60-40 M/H603.70.9938 ChiMac AP Med646.40.9282 Predom. Dn Low843.10.7117 W/L 60-40 High578.91.0364 ChiMac AP High562.11.0675 Predom. Dn L/M628.00.9555 5B AP Low759.80.7897 BayMac Cove Island820.80.7310 Predom. Dn Med540.61.1098 5B AP L/M605.10.9916 BayMac Shore813.00.7380 Predom. Dn M/H484.01.2398 5B AP Med536.61.1181 Harvest Moon486.81.2325      SA/DSPL Up30.82SA/DSPL Dn47.01
ORC Ref  04560004V7V Issued on 14/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
FIREFLY-45USA 45
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 35MeasurementHINTSP50045m84gPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall10.820Maximum beam3.646Draft2.104Displacement4,358Wetted area22.85IMS L9.131LSM08.752Accomod. length10.820Sink (kg/mm) 16.99
VCGD-0.201VCGM-0.121 RM Rated (kg·m) 118.0Limit of positive stability(°) 117.6 Stability Index 113.0 BLR index 0.0000Default crew weight569 Declared crew weight 726
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.440PBW0.104PIPA0.0027
PSD0.025PHD0.046PHL0.150
PSA18.0°ESL0.772
ST10.022ST20.083ST30.083
ST40.037ST50.162
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysYesSpreaders2Rotating mastNo
P12.650IG14.143ISP14.206MDT10.098MDL10.202MDT20.092MDL20.119TL1.393MW0.132GO0.162
E4.268J4.481BAS1.506FSD0.036SFJ0.000SPL4.571WPLTPSBD0.138MWT0.00MCG0.000
PY0.000MDT1YMDL1YMDT2YMDL2YTLYBASYEY0.000BDYIY0.000EB0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered118.0Flotation Date15/03/2018
SFFP0.582FFM1.175FF1.175LCFcl6.098SG0.0000
SAFP10.519FAM0.883FA0.883LCFsh6.368HBI0.984
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560004V7V Issued on 14/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
FIREFLY-45USA 45
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMn-260.170.901.642.703.5732.0319/05/2026185852
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.090.891.703.405.106.9514.74NoNo 50.6226/05/2026210318
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS2-2614.1214.1214.128.067.7194.0226/05/2026210320
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
ORC Ref  04560004V7V Issued on 14/07/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org