ORC Certificate for Gaetana

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 Angles	41.9°	41.9°	39.8°	39.7°	39.1°	40.2°	39.7°	38.8°	40.3°
Beat VMG	3.85	5.15	6.10	6.85	7.48	8.09	8.43	8.56	8.77
52°	5.90	7.74	8.99	10.17	11.03	12.11	12.54	12.75	13.30
60°	6.23	8.13	9.43	10.71	11.60	12.86	13.50	13.74	14.46
75°	6.46	8.46	9.79	11.21	12.83	13.66	15.00	15.90	16.77
90°	6.41	8.40	9.79	11.41	13.12	14.66	16.42	17.90	19.29
110°	6.11	8.15	9.68	11.29	13.18	15.27	16.57	19.49	22.13
120°	5.91	7.88	9.33	10.83	12.57	14.62	16.89	19.22	22.06
135°	5.28	7.12	8.50	9.75	11.11	12.71	14.62	19.11	23.78
150°	4.37	6.00	7.29	8.45	9.56	10.71	12.12	15.70	19.68
Run VMG	3.79	5.19	6.31	7.32	8.28	9.28	10.50	13.60	17.04
Gybe Angles	142.2°	142.2°	146.9°	146.5°	148.4°	145.7°	141.1°	138.5°	139.4°

MHR:363.2CertNo:MH008

BOAT

ClassGunboat 66DesignerMorelli & MelvinBuilderGunboat/Westerly MarineAge date01/2015Series date01/2007Offset fileGB66#7.offData fileMH008-GB66#7-Gaetana

HULL

Length Overall20.200 mMaximum Beam8.654 mDraft3.908 mDisplacement18,728 kgDLR2.7269Dynamic Allowance0.310%Age Allowance0.487%

PROPELLER

InstallationStrutTypeFolding 3 bladesDiameter0.550m

CREW

Weight770 kg(declared)Crew Arm Extension

SAIL AREAS (m²)

MeasuredRatedMainsail173.88192.64Headsail Luffed74.5348.00Headsail Flying118.59SymmetricAsymmetric353.53

COMMENTS

ex Mana ex Extreme H20

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.

Time Allowances in secs/NM
Selected Courses
Wind Velocity	4 kt	6 kt	8 kt	10 kt	12 kt	14 kt	16 kt	20 kt	24 kt
Beat VMG	935.7	698.5	590.5	525.4	481.2	444.9	426.9	420.6	410.6
52°	610.1	465.3	400.3	354.1	326.4	297.4	287.2	282.4	270.7
60°	578.0	442.9	381.9	336.1	310.5	280.0	266.6	261.9	249.0
75°	557.3	425.7	367.6	321.1	280.5	263.6	240.1	226.5	214.7
90°	561.4	428.8	367.9	315.6	274.3	245.6	219.2	201.1	186.6
110°	589.4	441.5	371.9	318.8	273.1	235.8	217.3	184.7	162.7
120°	609.3	456.9	385.8	332.4	286.5	246.2	213.1	187.3	163.2
135°	681.8	505.6	423.5	369.2	324.0	283.2	246.3	188.4	151.4
150°	823.0	600.2	493.7	426.0	376.5	336.0	297.1	229.3	183.0
Run VMG	950.3	693.1	570.1	491.9	434.8	388.0	343.0	264.7	211.3
Windward / Leeward	942.8	695.8	580.3	508.6	458.0	416.4	385.0	342.7	310.9
All purpose	718.5	536.8	452.4	395.1	353.5	318.1	292.4	263.1	240.0

Single Number Scoring Options
Course	Time On Distance	Time On Time
Windward / Leeward	470.9	1.2743
All purpose	363.2	1.6522

Data in meters/kilograms (Metric)

HULL AND APPENDAGES (Lightship Trim)

ClassGunboat 66Measurement27/12/2023HIN7

LOA20.200Max. Beam8.654Draft3.908Displacement18,728Dspl lightship17,178Wetted area62.32

Superstructure frontal area18.43Superstructure lateral area46.17Default crew weight707Declared crew weight770

PROPELLER

Propeller TypeFolding 3 blades

InstallationStrutTwin screwNoHydro generatorNo

PRD0.550PBW0.156PIPA0.0043

EDL3.370ST10.062ST20.203

ST30.203ST40.143ST50.300

RIG

Single headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders1Rotating mastYesMast rake4°Mast cant angle

P24.950IG23.524ISP25.887MDT10.225MDL10.420MDT20.225MDL20.420TLMW0.420GO0.420

E9.474J6.359JZ2.061BAS1.490FSDSFJ1.393SPLWPLTPS9.250BD0.400

ForetrianglesIdITPTPZComment023.5246.3592.061main forestay025.8879.2502.061ISP/TPS220.0005.0002.061Estimated125.0008.3001.90024.674 Estimated

FLOTATION

Flotation Date11/05/2025SG1.0250

FFM0.877FAM0.874

BALLAST

TANKS

IdDescriptionCapacityLCGVCGSp.WghtCondition
MeasurementLevel
Sailing6Fuel Starboard45412.500.84001500.2505Fuel Port45412.500.84001500.2504Water Starboard45411.001.0000400.1003Water Port45411.001.0000400.1002Black Water Starboard1329.501.000000.0001Black Water Port 28G1329.501.000000.000

INVENTORY

IdDescriptionWeight MsrmentWeight SailingLCGVCGGAIdDescriptionWeight MsrmentWeight SailingLCGVCGGA17Main on boom11.333.90 16J345451.360.10 15Anchor65654.520.00 14Spare anchor15157.561.10 13Gas9016.10 12Gas9016.10 11Cleaning9016.10 10Grab Bags161616.00 9Safety Items8815.90 8small galley items151510.00 7Tools4203.600.00 6Tools6403.300.00 5Tools15153.600.00 4A3 on trampoline60605.001.80 3A1.5 on trampoline60605.001.80 2J11001005.001.80 1J21001002.007.00

INVENTORY

Fixed Ballast Total0

TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG6Fuel StarboardFuel45415012.505Fuel PortFuel45415012.504Water StarboardWater4544011.003Water PortWater4544011.002Black Water StarboardWater13209.501Black Water Port 28GWater13209.50Total deductible33212.14

OTHER ITEMSIdKindDescriptionWeightLCGVCG15AnchorAnchor654.520.0014AnchorSpare anchor157.561.1017DeductibleMain on boom11.333.9016DeductibleJ3451.360.1013DeductibleGas916.1012DeductibleGas916.1011DeductibleCleaning916.1010DeductibleGrab Bags1616.009DeductibleSafety Items815.908Deductiblesmall galley items1510.007DeductibleTools423.600.006DeductibleTools643.300.005DeductibleTools153.600.004DeductibleA3 on trampoline605.001.803DeductibleA1.5 on trampoline605.001.802DeductibleJ11005.001.801DeductibleJ21002.007.00Total deductible6324.991.77

MAINSAIL

IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain243.503.905.627.538.57173.8810/01/2024IHC 138334 2nd MHW taken as MHB

MIZZEN

IdMHBMUWMTWMHWMQWAreaMeas.DateComment

HEADSAIL

IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ1-240.131.222.384.536.578.4326.87No31118.5924/05/2024Doyle "J0" DesignJ2-240.131.031.833.234.525.6924.04NoNo074.5310/01/2024IHC 138333 ex "J1"J3-240.080.741.422.683.855.3817.97YesNo248.0010/01/2024IHC 138335 ex "J2"

SYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLAreaMeas.DateComment

ASYMMETRIC SPINNAKER

IdSLUSLESLSHWSFLRatioFTAreaMeas.DateCommentA1-528.3528.2028.2814.2917.8680%0353.5327/12/2023A1 OUS111919-001A3-2428.1527.1027.6314.5217.4083%0347.5227/12/2023

MIZZEN STAYSAIL

IdYSHFYSHWYSFLAreaMeas.DateComment

QUADRILATERAL

IdQLEQHLQFLQCDQLMMastAreaMeas.DateComment