ORC Certificate for ROSSKO

Rated boat velocities in knots
Wind Velocity	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Beat Angles	43.1°	41.4°	40.5°	38.6°	37.9°	37.5°	37.1°
Beat VMG	3.45	4.20	4.82	5.26	5.44	5.51	5.61
52°	5.30	6.32	7.04	7.41	7.59	7.66	7.72
60°	5.62	6.64	7.24	7.58	7.80	7.91	7.98
75°	5.87	6.88	7.40	7.73	8.04	8.31	8.57
90°	5.85	7.01	7.56	7.76	8.06	8.43	9.11
110°	5.98	7.15	7.74	8.22	8.59	8.89	9.48
120°	5.83	7.04	7.66	8.19	8.78	9.31	10.05
135°	5.27	6.52	7.35	7.84	8.37	8.98	10.55
150°	4.46	5.61	6.62	7.35	7.80	8.28	9.43
Run VMG	3.87	4.85	5.74	6.46	7.06	7.56	8.46
Gybe Angles	142.3°	148.0°	150.3°	157.0°	174.0°	180.0°	180.0°

Time Allowances in secs/NM
Selected Courses
Wind Velocity	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Beat VMG	1043.5	856.4	747.4	684.4	662.0	653.2	642.1
52°	679.1	569.2	511.5	485.6	474.2	469.8	466.3
60°	640.4	542.0	497.1	474.9	461.8	455.4	451.2
75°	613.7	523.1	486.4	465.7	447.8	433.2	420.2
90°	615.3	513.4	476.2	463.8	446.5	427.1	395.0
110°	602.5	503.2	465.2	437.9	419.2	405.2	379.9
120°	617.8	511.1	469.7	439.8	410.1	386.5	358.2
135°	682.7	552.1	489.6	459.0	430.0	401.1	341.2
150°	806.5	642.3	543.5	489.9	461.4	434.9	381.6
Run VMG	931.3	741.6	627.5	557.4	509.9	475.9	425.8
Windward / Leeward	987.4	799.0	687.5	620.9	586.0	564.5	533.9
All purpose	759.8	623.7	552.6	512.7	489.1	470.8	443.9

Single Number Scoring Options
Course	Time On Distance	Time On Time
Windward / Leeward	653.4	0.9183
All purpose	531.8	1.1283

Custom scoring options for Australia

Single Number	Time On Distance	Time On Time
Triple Number Coastal/Long Distance Low	691.7	0.8674
Triple Number Coastal/Long Distance Medium	529.3	1.1335
Triple Number Coastal/Long Distance High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745

Custom scoring options for Austria

Single Number	Time On Distance	Time On Time
Coastal/Long Distance	579.4	1.0356
Triple Number Coastal/Long Distance Low	691.7	0.8674
Triple Number Coastal/Long Distance Medium	529.3	1.1335
Triple Number Coastal/Long Distance High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745

Performance Curve	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Coastal/Long Distance	981.8	749.7	620.9	546.0	506.9	475.9	426.3

Custom scoring options for Bulgaria

Single Number	Time On Distance	Time On Time
Triple Number Coastal/Long Distance Low	691.7	0.8674
Triple Number Coastal/Long Distance Medium	529.3	1.1335
Triple Number Coastal/Long Distance High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745
Predominantly Upwind	579.4	1.0356
Predominantly Downwind	538.2	1.1148

Custom scoring options for Canada

Single Number	Time On Distance	Time On Time
Triple Number All Purpose Low	691.7	0.8674
Triple Number All Purpose Medium	529.3	1.1335
Triple Number All Purpose High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745
Predominantly Upwind	579.4	1.0356
Predominantly Downwind	538.2	1.1148
Predominantly Upwind Low	783.4	0.7659
Predominantly Upwind Medium	598.3	1.0028
Predominantly Upwind High	547.3	1.0963
Predominantly Downwind Low	743.1	0.8074
Predominantly Downwind Medium	532.3	1.1272
Predominantly Downwind High	439.3	1.3660
Chicago-Mac Upwind		1.0161
Chicago-Mac All Purpose		1.0517
Chicago-Mac Downwind		1.0966
Bayview-Mac Cove Island		0.9716
Bayview-Mac Shore		0.9779
Victoria-Maui		1.1768

Custom scoring options for Cyprus

Single Number	Time On Distance	Time On Time
Coastal/Long Distance	579.4	1.0356
Triple Number Coastal/Long Distance Low	691.7	0.8674
Triple Number Coastal/Long Distance Medium	529.3	1.1335
Triple Number Coastal/Long Distance High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745

Performance Curve	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Coastal/Long Distance	981.8	749.7	620.9	546.0	506.9	475.9	426.3

Custom scoring options for Denmark

Single Number	Time On Distance	Time On Time
Coastal/Long Distance	579.4	1.0356
Triple Number Coastal/Long Distance Low	691.7	0.8674
Triple Number Coastal/Long Distance Medium	529.3	1.1335
Triple Number Coastal/Long Distance High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745

Performance Curve	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Coastal/Long Distance	981.8	749.7	620.9	546.0	506.9	475.9	426.3

Custom scoring options for Spain

Single Number	Time On Distance
Coastal/Long Distance	579.4
Triple Number Coastal/Long Distance Low	691.7
Triple Number Coastal/Long Distance Medium	529.3
Triple Number Coastal/Long Distance High	465.3
Triple Number Windward/Leeward Low	893.3
Triple Number Windward/Leeward Medium	649.2
Triple Number Windward/Leeward High	558.4

Performance Curve	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Coastal/Long Distance	981.8	749.7	620.9	546.0	506.9	475.9	426.3

Custom scoring options for Estonia

Single Number	Time On Distance	Time On Time
Coastal/Long Distance	579.4	1.0356
Triple Number Coastal/Long Distance Low	691.7	0.8674
Triple Number Coastal/Long Distance Medium	529.3	1.1335
Triple Number Coastal/Long Distance High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745

Performance Curve	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Coastal/Long Distance	981.8	749.7	620.9	546.0	506.9	475.9	426.3

Custom scoring options for Finland

Single Number	Time On Distance	Time On Time
FinRating (Coastal/Long Distance)	579.4	1.0356
Triple Number Coastal/Long Distance Low	691.7	0.8674
Triple Number Coastal/Long Distance Medium	529.3	1.1335
Triple Number Coastal/Long Distance High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745

Performance Curve	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Coastal/Long Distance	981.8	749.7	620.9	546.0	506.9	475.9	426.3

Custom scoring options for France

Single Number	Time On Distance	Time On Time
Triple Number Coastal/Long Distance Low	691.7	0.8674
Triple Number Coastal/Long Distance Medium	529.3	1.1335
Triple Number Coastal/Long Distance High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745

Custom scoring options for Germany

Single Number	Time On Time
Triple Number Coastal/Long Distance Low	0.8674
Triple Number Coastal/Long Distance Medium	1.1335
Triple Number Coastal/Long Distance High	1.2896
Triple Number Windward/Leeward Low	0.6717
Triple Number Windward/Leeward Medium	0.9242
Triple Number Windward/Leeward High	1.0745

Performance Curve	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Coastal/Long Distance	981.8	749.7	620.9	546.0	506.9	475.9	426.3

Custom scoring options for Greece

Single Number	Time On Distance	Time On Time
Coastal/Long Distance	579.4	1.0356
Triple Number Coastal/Long Distance Low	691.7	0.8674
Triple Number Coastal/Long Distance Medium	529.3	1.1335
Triple Number Coastal/Long Distance High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745

Performance Curve	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Coastal/Long Distance	981.8	749.7	620.9	546.0	506.9	475.9	426.3

Custom scoring options for Israel

Single Number	Time On Distance	Time On Time
Coastal/Long Distance	579.4	1.0356
Triple Number Coastal/Long Distance Low	691.7	0.8674
Triple Number Coastal/Long Distance Medium	529.3	1.1335
Triple Number Coastal/Long Distance High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745

Performance Curve	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Coastal/Long Distance	981.8	749.7	620.9	546.0	506.9	475.9	426.3

Custom scoring options for Italy

Single Number	Time On Distance	Time On Time
Coastal/Long Distance	579.4	1.0356
Triple Number Coastal/Long Distance Low	691.7	0.8674
Triple Number Coastal/Long Distance Medium	529.3	1.1335
Triple Number Coastal/Long Distance High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745

Performance Curve	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Coastal/Long Distance	981.8	749.7	620.9	546.0	506.9	475.9	426.3

Custom scoring options for Japan

Single Number	Time On Distance	Time On Time
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745

Performance Curve	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Coastal/Long Distance	981.8	749.7	620.9	546.0	506.9	475.9	426.3

Custom scoring options for Korea

Single Number	Time On Distance
Triple Number Coastal/Long Distance Low	691.7
Triple Number Coastal/Long Distance Medium	529.3
Triple Number Coastal/Long Distance High	465.3
Triple Number Windward/Leeward Low	893.3
Triple Number Windward/Leeward Medium	649.2
Triple Number Windward/Leeward High	558.4
Predominantly Upwind	579.4
Predominantly Downwind	538.2
Predominantly Reaching	517.9

Custom scoring options for Lithuania

Single Number	Time On Distance	Time On Time
Triple Number Coastal/Long Distance Low	691.7	0.8674
Triple Number Coastal/Long Distance Medium	529.3	1.1335
Triple Number Coastal/Long Distance High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745

Custom scoring options for Netherlands

Single Number	Time On Time
Triple Number Coastal/Long Distance Low	0.8674
Triple Number Coastal/Long Distance Medium	1.1335
Triple Number Coastal/Long Distance High	1.2896
Triple Number Windward/Leeward Low	0.6717
Triple Number Windward/Leeward Medium	0.9242
Triple Number Windward/Leeward High	1.0745
Coastal/Long Distance	1.0356
Predominantly Upwind	1.0356
Predominantly Downwind	1.1148

Custom scoring options for Norway

Single Number	Time On Time
Distanseseilas (NOR-rating ett tall)	1.0356
Tretall Distanseseilas Lite vind	0.8674
Tretall Distanseseilas Mellomvind	1.1335
Tretall Distanseseilas Mye vind	1.2896
Tretall Pølsebane Lite vind	0.6717
Tretall Pølsebane Mellomvind	0.9242
Tretall Pølsebane Mye vind	1.0745

Performance Curve	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Distanseseilas	981.8	749.7	620.9	546.0	506.9	475.9	426.3

Custom scoring options for Portugal

Single Number	Time On Distance	Time On Time
Triple Number Coastal/Long Distance Low	691.7	0.8674
Triple Number Coastal/Long Distance Medium	529.3	1.1335
Triple Number Coastal/Long Distance High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745

Custom scoring options for Russia

Single Number	Time On Distance	Time On Time
Predominantly Upwind	579.4	1.0356
Predominantly Downwind	538.2	1.1148

Custom scoring options for South Africa

Single Number	Time On Distance	Time On Time
Cape Doctor Inshore	543.1	1.1047
Cape Doctor Coastal	451.9	1.3276

Custom scoring options for Slovenia

Single Number	Time On Time
Triple Number Coastal/Long Distance Low	0.8674
Triple Number Coastal/Long Distance Medium	1.1335
Triple Number Coastal/Long Distance High	1.2896
Triple Number Windward/Leeward Low	0.6717
Triple Number Windward/Leeward Medium	0.9242
Triple Number Windward/Leeward High	1.0745

Custom scoring options for Switzerland

Single Number	Time On Time
Triple Number Coastal/Long Distance Low	0.8674
Triple Number Coastal/Long Distance Medium	1.1335
Triple Number Coastal/Long Distance High	1.2896
Triple Number Windward/Leeward Low	0.6717
Triple Number Windward/Leeward Medium	0.9242
Triple Number Windward/Leeward High	1.0745

Custom scoring options for Sweden

Single Number	Time On Distance	Time On Time
Coastal/Long Distance	579.4	1.0356
Triple Number Coastal/Long Distance Low	691.7	0.8674
Triple Number Coastal/Long Distance Medium	529.3	1.1335
Triple Number Coastal/Long Distance High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745
Predominantly Upwind	579.4	1.0356
Predominantly Downwind	538.2	1.1148

Performance Curve	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Coastal/Long Distance	981.8	749.7	620.9	546.0	506.9	475.9	426.3

Custom scoring options for Ukraine

Single Number	Time On Distance	Time On Time
Coastal/Long Distance	579.4	1.0356
Triple Number Coastal/Long Distance Low	691.7	0.8674
Triple Number Coastal/Long Distance Medium	529.3	1.1335
Triple Number Coastal/Long Distance High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745

Performance Curve	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt
Coastal/Long Distance	981.8	749.7	620.9	546.0	506.9	475.9	426.3

Custom scoring options for United States of America

Single Number	Time On Distance	Time On Time
Triple Number All Purpose Low	691.7	0.8674
Triple Number All Purpose Medium	529.3	1.1335
Triple Number All Purpose High	465.3	1.2896
Triple Number Windward/Leeward Low	893.3	0.6717
Triple Number Windward/Leeward Medium	649.2	0.9242
Triple Number Windward/Leeward High	558.4	1.0745
Predominantly Upwind	579.4	1.0356
Predominantly Downwind	538.2	1.1148
Predominantly Upwind Low	783.4	0.7659
Predominantly Upwind Medium	598.3	1.0028
Predominantly Upwind High	547.3	1.0963
Predominantly Downwind Low	743.1	0.8074
Predominantly Downwind Medium	532.3	1.1272
Predominantly Downwind High	439.3	1.3660
Chicago-Mac Upwind		1.0161
Chicago-Mac All Purpose		1.0517
Chicago-Mac Downwind		1.0966
Bayview-Mac Cove Island		0.9716
Bayview-Mac Shore		0.9779
Harvest Moon Regatta	467.5	1.2834
Victoria-Maui		1.1768

International
Certificate
2021

Boat

ROSSKO

GBR-880X

GPH = 598.7

CDL = 9.848

International
Certificate
2021

Boat

ROSSKO

GBR-880X

International
Certificate
2021

Boat

ROSSKO

GBR-880X

International
Certificate
2021

Boat

ROSSKO

GBR-880X

International Certificate2021

Boat

ROSSKO

GBR-880X

GPH = 598.7

CDL = 9.848

International Certificate2021

Boat

ROSSKO

GBR-880X

International Certificate2021

Boat

ROSSKO

GBR-880X

International Certificate2021

Boat

ROSSKO

GBR-880X

International
Certificate
2021

International
Certificate
2021

International
Certificate
2021

International
Certificate
2021