Club Certificate2026
PROMETHEUSUSA 61959
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 Angles51.3°48.7°46.4°45.0°42.6°42.1°42.1°42.3°43.8°
Beat VMG2.263.304.084.594.945.225.345.375.21
52°3.675.296.437.137.447.787.968.057.95
60°4.175.826.927.607.908.088.288.408.37
75°4.706.327.398.048.388.568.658.848.91
90°4.796.417.528.198.598.869.069.309.43
110°4.356.017.338.198.689.059.359.7610.17
120°4.125.877.188.088.629.039.4210.1710.74
135°3.605.256.557.588.278.749.1510.0211.04
150°2.974.405.626.667.538.158.589.2710.02
Run VMG2.573.814.875.776.527.077.528.248.83
Gybe Angles139.0°142.2°146.2°148.4°149.6°152.0°156.3°161.9°161.0°
APH ToD:526.6CDL: 10.740APH ToT: 1.1393CertNo:US61959
BOAT
ClassElan Impression 50DesignerHumphreysBuilderElan YachtingAge date01/2018Series date02/2012Offset fileIMP494.OFFData fileUS61959
HULL
Length Overall14.774 mMaximum Beam4.680 mDraft2.065 mDisplacement14,491 kgDLR6.6889IMS DivisionCruiser/RacerDynamic Allowance0.420%Age Allowance0.455%RS Assessment-0.127%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.500m
CREW
Maximum weight580 kg(declared)Minimum weight450 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail45.8045.44Headsail Luffed54.6254.62Headsail Flying106.72106.72SymmetricAsymmetric160.00160.00 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail17.24Storm Jib17.60Heavy Weather Jib47.50
SAIL LIMITS
Headsails6
✱ One set on the forestay
Spinnakers5
STABILITY
Righting Moment 363.6 kg·m Stability Index 124.2
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  04560004UCI Issued on 29/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
PROMETHEUSUSA 61959
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 VMG1591.91092.3881.5784.7728.3689.5673.8670.1690.7
52°980.1680.1559.6504.6483.7462.9452.1447.5452.7
60°862.5618.1519.9473.8455.6445.3434.9428.7430.0
75°765.8569.9486.9447.7429.4420.7416.3407.2404.0
90°751.4561.3478.7439.4419.3406.4397.3387.0381.7
110°827.7598.9491.3439.7414.7398.0384.8369.0354.0
120°874.7613.5501.3445.6417.8398.8382.3354.0335.2
135°1001.0686.0549.6475.1435.1411.8393.4359.2325.9
150°1212.5818.4640.5540.4478.4441.8419.8388.3359.2
Run VMG1400.1945.0739.6624.0552.4508.9478.9437.1407.8
Selected Courses
Windward / Leeward1496.01018.6810.5704.4640.4599.2576.4553.6549.2
All purpose1097.1763.2618.8546.7506.8481.1465.7448.6441.5
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward670.10.8954
All purpose526.61.1393
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance579.11.0362
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1486.41011.3755.5625.2546.1500.8468.7422.6413.4
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7608
Downwind "popa"0.9800
70% up, 30% down "Ilhabela"0.8155
30% up, 70% down "Ilhabela-inverso"0.9020
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Predominantly Upwind579.71.0351
Predominantly Downwind529.11.1340
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP549.31.0923 Predom. Rc High417.91.4356 5B SF Bay L/M741.90.8087 TriNum AP Low691.00.8683 Predom. Dn Low831.90.7212 5B SF Bay Med628.60.9544 TriNum AP Med523.11.1470 Predom. Dn L/M602.30.9961 5B SF Bay M/H563.91.0640 TriNum AP High463.11.2956 Predom. Dn Med508.51.1800 5B SF Bay High541.61.1078 TriNum W/L Low962.10.6236 Predom. Dn M/H453.01.3244 5B AP Low762.10.7873 TriNum W/L Med665.60.9014 Predom. Dn High424.31.4142 5B AP L/M598.11.0031 TriNum W/L Hig573.51.0462 ChiMac Up Low753.90.7959 5B AP Med515.01.1651 Predom. Upwind607.80.9872 ChiMac Up Med672.30.8925 5B AP M/H468.81.2798 Predom. Reaching515.41.1641 ChiMac Up High578.21.0377 5B AP High450.31.3325 Predom. Downwind555.51.0802 ChiMac Off Low708.90.8463 5B W/L Low1085.90.5525 Predom. Up Low868.30.6910 ChiMac Off Med621.80.9649 5B W/L L/M778.60.7706 Predom. Up L/M644.00.9316 ChiMac Off High519.81.1542 5B W/L Med652.90.9189 Predom. Up Med559.91.0716 ChiMac AP Low725.70.8267 5B W/L M/H581.71.0314 Predom. Up M/H514.61.1661 ChiMac AP Med642.90.9333 5B W/L High556.81.0776 Predom. Up High501.41.1968 ChiMac AP High546.41.0980 W/L 60-40 Low1101.70.5446 Predom. Rc Low732.30.8193 BayMac Cove Island847.80.7077 W/L 60-40 L/M794.10.7556 Predom. Rc L/M548.41.0942 BayMac Shore840.00.7143 W/L 60-40 Med670.20.8952 Predom. Rc Med477.41.2568 Harvest Moon449.61.3345 W/L 60-40 M/H601.50.9976 Predom. Rc M/H437.11.3727 5B SF Bay Low910.30.6591 W/L 60-40 High580.31.0340      SA/DSPL Up16.75SA/DSPL Dn34.32
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance579.11.0362
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1486.41011.3755.5625.2546.1500.8468.7422.6413.4
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance579.11.0362
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1486.41011.3755.5625.2546.1500.8468.7422.6413.4
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance579.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1486.41011.3755.5625.2546.1500.8468.7422.6413.4
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating579.11.0362
FinRating, kevyt tuuli1061.60.9420
FinRating, kova tuuli452.31.1055
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.0362
Triple Number Coastal/Long Distance Low0.8683
Triple Number Coastal/Long Distance Medium1.1472
Triple Number Coastal/Long Distance High1.2956
Triple Number Windward/Leeward Low0.6560
Triple Number Windward/Leeward Medium0.9014
Triple Number Windward/Leeward High1.0462
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1486.41011.3755.5625.2546.1500.8468.7422.6413.4
For information
General Purpose Handicap (GPH)594.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance579.11.0362
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Saronikos S All Purpose620.90.9664
Saronikos S Upwind706.00.8499
Saronikos S Downwind508.11.1809
Saronikos N All Purpose644.50.9309
Saronikos N Upwind735.10.8163
Saronikos N Downwind548.41.0941
Saronikos SW All Purpose621.60.9652
Saronikos SW Upwind723.10.8298
Saronikos SW Downwind509.51.1777
Saronikos NE All Purpose661.60.9069
Saronikos NE Upwind673.50.8908
Saronikos NE Downwind619.60.9684
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1486.41011.3755.5625.2546.1500.8468.7422.6413.4
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose549.31.0923
5-Band All Purpose Low843.10.7116
5-Band All Purpose L/M619.80.9681
5-Band All Purpose Med532.11.1276
5-Band All Purpose M/H482.51.2436
5-Band All Purpose High462.01.2987
Single Number Predominant Upwind578.91.0365
Single Number Predominant Reaching493.31.2162
Single Number Predominant Downwind529.41.1334
5-Band 50-50 Windward/Leeward Low1085.90.5525
5-Band 50-50 Windward/Leeward L/M778.60.7706
5-Band 50-50 Windward/Leeward Med652.90.9189
5-Band 50-50 Windward/Leeward M/H581.71.0314
5-Band 50-50 Windward/Leeward High556.81.0776
5-Band 60-40 Windward/Leeward Low1101.70.5446
5-Band 60-40 Windward/Leeward L/M794.10.7556
5-Band 60-40 Windward/Leeward Med670.20.8952
5-Band 60-40 Windward/Leeward M/H601.50.9976
5-Band 60-40 Windward/Leeward High580.31.0340
Triple Number 50-50 Windward/Leeward Low962.10.6236
Triple Number 50-50 Windward/Leeward Med665.70.9013
Triple Number 50-50 Windward/Leeward High573.51.0462
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward687.50.8727
Triple Number 60-40 Windward/Leeward Low977.20.6140
Triple Number 60-40 Windward/Leeward Med682.60.8790
Triple Number 60-40 Windward/Leeward High594.11.0099
Triple Number All-Purpose Low752.50.7974
Triple Number All-Purpose Med540.61.1098
Triple Number All-Purpose High476.21.2600
Triple Number Predominant Upwind Low781.50.7677
Triple Number Predominant Upwind Med570.81.0511
Triple Number Predominant Upwind High515.01.1650
Triple Number Predominant Reaching Low663.80.9039
Triple Number Predominant Reaching Med494.81.2127
Triple Number Predominant Reaching High421.71.4229
Triple Number Predominant Downwind Low739.40.8115
Triple Number Predominant Downwind Med517.41.1597
Triple Number Predominant Downwind High435.41.3781
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance579.11.0362
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1486.41011.3755.5625.2546.1500.8468.7422.6413.4
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance579.11.0362
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1486.41011.3755.5625.2546.1500.8468.7422.6413.4
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low691.0
Triple Number Coastal/Long Distance Medium523.0
Triple Number Coastal/Long Distance High463.1
Triple Number Windward/Leeward Low914.6
Triple Number Windward/Leeward Medium665.6
Triple Number Windward/Leeward High573.5
Predominantly Upwind579.7
Predominantly Downwind529.1
Predominantly Reaching502.2
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance579.11.0362
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1486.41011.3755.5625.2546.1500.8468.7422.6413.4
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8683
Triple Number Coastal/Long Distance Medium1.1472
Triple Number Coastal/Long Distance High1.2956
Triple Number Windward/Leeward Low0.6560
Triple Number Windward/Leeward Medium0.9014
Triple Number Windward/Leeward High1.0462
Coastal/Long Distance1.0362
Predominantly Upwind1.0351
Predominantly Downwind1.1340
For information
General Purpose Handicap (GPH)594.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.1393
Distanseseilas Trippeltall svak vind0.8683
Distanseseilas Trippeltall mellomvind1.1472
Distanseseilas Trippeltall sterk vind1.2956
Pølsebane Trippeltall svak vind0.6560
Pølsebane Trippeltall mellomvind0.9014
Pølsebane Trippeltall sterk vind1.0462
Motvind Singeltall1.0351
Medvind Singeltall1.1340
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Coastal/Long Distance579.11.0362
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind579.71.0351
Predominantly Downwind529.11.1340
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore550.51.0898
Cape Doctor Coastal443.61.3526
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8683
Triple Number Coastal/Long Distance Medium1.1472
Triple Number Coastal/Long Distance High1.2956
Triple Number Windward/Leeward Low0.6560
Triple Number Windward/Leeward Medium0.9014
Triple Number Windward/Leeward High1.0462
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8683
Triple Number Coastal/Long Distance Medium1.1472
Triple Number Coastal/Long Distance High1.2956
Triple Number Windward/Leeward Low0.6560
Triple Number Windward/Leeward Medium0.9014
Triple Number Windward/Leeward High1.0462
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance579.11.0362
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Predominantly Upwind579.71.0351
Predominantly Downwind529.11.1340
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1486.41011.3755.5625.2546.1500.8468.7422.6413.4
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance579.11.0362
Triple Number Coastal/Long Distance Low691.00.8683
Triple Number Coastal/Long Distance Medium523.01.1472
Triple Number Coastal/Long Distance High463.11.2956
Triple Number Windward/Leeward Low914.60.6560
Triple Number Windward/Leeward Medium665.60.9014
Triple Number Windward/Leeward High573.51.0462
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1486.41011.3755.5625.2546.1500.8468.7422.6413.4
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP549.31.0923 Predom. Dn High424.31.4142 5B AP M/H468.81.2798 TriNum AP Low691.00.8683 Predom. Rc Low732.30.8193 5B AP High450.31.3325 TriNum AP Med523.11.1470 Predom. Rc L/M548.41.0942 5B SF Bay Low910.30.6591 TriNum AP High463.11.2956 Predom. Rc Med477.41.2568 5B SF Bay L/M741.90.8087 TriNum W/L Low962.10.6236 Predom. Rc M/H437.11.3727 5B SF Bay Med628.60.9544 TriNum W/L Med665.60.9014 Predom. Rc High417.91.4356 5B SF Bay M/H563.91.0640 TriNum W/L Hig573.51.0462 5B W/L Low1085.90.5525 5B SF Bay High541.61.1078 Predom. Upwind607.80.9872 5B W/L L/M778.60.7706 ChiMac Up Low753.90.7959 Predom. Reaching515.41.1641 5B W/L Med652.90.9189 ChiMac Up Med672.30.8925 Predom. Downwind555.51.0802 5B W/L M/H581.71.0314 ChiMac Up High578.21.0377 Predom. Up Low868.30.6910 5B W/L High556.81.0776 ChiMac Off Low708.90.8463 Predom. Up L/M644.00.9316 W/L 60-40 Low1101.70.5446 ChiMac Off Med621.80.9649 Predom. Up Med559.91.0716 W/L 60-40 L/M794.10.7556 ChiMac Off High519.81.1542 Predom. Up M/H514.61.1661 W/L 60-40 Med670.20.8952 ChiMac AP Low725.70.8267 Predom. Up High501.41.1968 W/L 60-40 M/H601.50.9976 ChiMac AP Med642.90.9333 Predom. Dn Low831.90.7212 W/L 60-40 High580.31.0340 ChiMac AP High546.41.0980 Predom. Dn L/M602.30.9961 5B AP Low762.10.7873 BayMac Cove Island847.80.7077 Predom. Dn Med508.51.1800 5B AP L/M598.11.0031 BayMac Shore840.00.7143 Predom. Dn M/H453.01.3244 5B AP Med515.01.1651 Harvest Moon449.61.3345      SA/DSPL Up16.75SA/DSPL Dn34.32
ORC Ref  04560004UCI Issued on 29/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
PROMETHEUSUSA 61959
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassElan Impression 50MeasurementHINSI-ELA50049D818Plan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall14.774Maximum beam4.680Draft2.065Displacement14,491Wetted area45.71IMS L13.072LSM012.938Accomod. length14.774Sink (kg/mm) 34.58
VCGD0.058VCGM0.219 RM Rated (kg·m) 363.6Limit of positive stability(°) 117.7 Stability Index 124.2 BLR index 0.0000Default crew weight994 Declared crew weight 580
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.500PBW0.150PIPA0.0040
EDL1.370ST10.050ST20.200
ST30.200ST40.110ST50.320
RIG
BackstayAdjustableForestayFixedInner forestayNot installedMast materialAluminumSingle headsail furlerYesMainsail furlerIn mastArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders3Rotating mastNo
P17.590IG18.640ISP20.800MDT10.130MDL10.270MDT20.130MDL20.270TL0.000MW0.270GO0.305
E5.600J5.640BAS2.180FSD0.048SFJ0.228SPLWPLTPS6.623BD0.250MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date06/10/2024
SFFP0.772FFM1.816FF1.816LCFcl8.082SG1.0256
SAFP14.340FAM1.542FA1.542LCFsh8.401HBI1.643
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560004UCI Issued on 29/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
PROMETHEUSUSA 61959
US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.050.591.172.483.9545.8031/01/20242024/0238
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ01.953.955.787.859.4119.43NoYes0106.7219/09/202583779J10.040.651.353.034.526.2518.10YesNo 54.6231/01/20242024/0237
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA219.4617.9318.709.8911.7984%160.0019/09/202583779
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length14.8 mTable area0.66 m²Headroom1.90 mMinimum number of berths6Personal gear stowage0.24 m³Fresh water capacity264 lMinimum number of seats in cockpit6Food stowage0.36 m³Fuel capacity146 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04560004UCI Issued on 29/06/2026 Valid until 28/02/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org