International
Certificate
2023

Boat

GOMEZ MOSTLY HARMLESS

GBR-1381

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.3°40.0°38.7°37.6°37.0°36.6°36.6°
Beat VMG3.794.595.095.355.505.585.67
52°5.736.717.247.517.647.737.83
60°6.016.947.437.687.847.948.07
75°6.207.107.577.858.088.268.48
90°6.077.047.567.898.188.438.84
110°5.937.117.728.138.498.759.14
120°5.756.967.658.108.518.909.57
135°5.156.397.267.798.238.689.64
150°4.305.476.497.287.788.209.07
Run VMG3.724.735.636.397.027.558.36
Gybe Angles140.6°147.8°151.4°156.8°166.4°177.2°179.0°

APH: 527.2

CDL: 10.350

GPH: 590.7

CertNo: 138101

BOAT
ClassPRIMA 38DesignerJONES STEPHENBuilderSEA QUEST YACHTSAge date04/1998Series date01/1998Offset filePRIMA38.OFFData fileGBR1381
HULL
Length Overall11.615 mMaximum Beam3.822 mDraft2.478 mDisplacement6,951 kgDLR5.6588IMS DivisionCruiser/RacerDynamic Allowance0.110%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.409m
CREW
Maximum weight680 kgMinimum weight510 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail49.1450.15Headsail Luffed38.1238.12Headsail FlyingSymmetric103.62103.62Asymmetric
STORM SAIL AREAS (m²)
Trysail14.46Storm Jib11.74Heavy Weather Jib31.69
SAIL LIMITS
Headsails6  Spinnakers5
STABILITY
Righting Moment154.1 kg·mStability Index129.7
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.

International
Certificate
2023

Boat

GOMEZ MOSTLY HARMLESS

GBR-1381

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG949.0785.1707.8672.9655.1644.7635.0
52°628.4536.2497.0479.6471.1465.6459.8
60°598.9518.5484.8468.6459.0453.2446.3
75°580.3507.1475.9458.3445.7436.0424.4
90°592.8511.4476.0456.0440.4427.2407.3
110°606.6506.6466.3443.0424.3411.6393.8
120°626.0516.9470.7444.5423.0404.5376.3
135°699.5563.5495.7461.8437.3414.9373.5
150°837.8658.5554.5494.6462.7439.2397.0
Run VMG967.5760.4639.8563.3513.0476.5430.6
Selected Courses
Windward / Leeward958.2772.8673.8618.1584.0560.6532.8
All purpose737.2607.9544.4510.1488.6473.2451.4
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward644.90.9304
All purpose527.21.1381
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance573.21.0468
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance959.1728.5610.4543.1506.7478.1433.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8318
Downwind "popa"0.9653
70% up, 30% down "Ilhabela"0.8678
30% up, 70% down "Ilhabela-inverso"0.9209
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Predominantly Upwind566.41.0593
Predominantly Downwind538.81.1135
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low672.60.8921
Triple Number All Purpose Medium524.31.1443
Triple Number All Purpose High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Predominantly Upwind566.41.0593
Predominantly Downwind538.81.1135
Predominantly Upwind Low738.70.8122
Predominantly Upwind Medium582.41.0303
Predominantly Upwind High543.31.1045
Predominantly Downwind Low745.00.8054
Predominantly Downwind Medium537.01.1173
Predominantly Downwind High446.91.3427
Chicago-Mac Upwind1.0412
Chicago-Mac All Purpose1.0641
Chicago-Mac Downwind1.0936
Bayview-Mac Cove Island0.9930
Bayview-Mac Shore1.0043
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching503.31.1922
Predominantly Reaching Low611.80.9807
Predominantly Reaching Medium499.31.2017
Predominantly Reaching High441.21.3598
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low943.90.6356
5-Band Low / Medium791.70.7578
5-Band Medium629.70.9528
5-Band Medium / High564.71.0625
5-Band High537.61.1160
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance573.21.0468
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance959.1728.5610.4543.1506.7478.1433.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance573.21.0468
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance959.1728.5610.4543.1506.7478.1433.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance573.2
Triple Number Coastal/Long Distance Low672.6
Triple Number Coastal/Long Distance Medium524.3
Triple Number Coastal/Long Distance High468.9
Triple Number Windward/Leeward Low865.4
Triple Number Windward/Leeward Medium641.0
Triple Number Windward/Leeward High556.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance959.1728.5610.4543.1506.7478.1433.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance573.21.0468
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance959.1728.5610.4543.1506.7478.1433.4
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)573.21.0468
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance959.1728.5610.4543.1506.7478.1433.4
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8921
Triple Number Coastal/Long Distance Medium1.1443
Triple Number Coastal/Long Distance High1.2796
Triple Number Windward/Leeward Low0.6933
Triple Number Windward/Leeward Medium0.9360
Triple Number Windward/Leeward High1.0791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance959.1728.5610.4543.1506.7478.1433.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance573.21.0468
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance959.1728.5610.4543.1506.7478.1433.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance573.21.0468
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance959.1728.5610.4543.1506.7478.1433.4
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance959.1728.5610.4543.1506.7478.1433.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low672.6
Triple Number Coastal/Long Distance Medium524.3
Triple Number Coastal/Long Distance High468.9
Triple Number Windward/Leeward Low865.4
Triple Number Windward/Leeward Medium641.0
Triple Number Windward/Leeward High556.0
Predominantly Upwind566.4
Predominantly Downwind538.8
Predominantly Reaching516.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance573.21.0468
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance959.1728.5610.4543.1506.7478.1433.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8921
Triple Number Coastal/Long Distance Medium1.1443
Triple Number Coastal/Long Distance High1.2796
Triple Number Windward/Leeward Low0.6933
Triple Number Windward/Leeward Medium0.9360
Triple Number Windward/Leeward High1.0791
Coastal/Long Distance1.0468
Predominantly Upwind1.0593
Predominantly Downwind1.1135
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8921
Tretall Distanseseilas Mellomvind1.1443
Tretall Distanseseilas Mye vind1.2796
Tretall Pølsebane Lite vind0.6933
Tretall Pølsebane Mellomvind0.9360
Tretall Pølsebane Mye vind1.0791
Distanseseilas ett tall (OSN 8-16kn)1.0468
Distanseseilas ett tall (APH 6-20kn)1.1381
Enkeltall Motvind1.0593
Enkeltall Medvind1.1135
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Coastal/Long Distance573.21.0468
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind566.41.0593
Predominantly Downwind538.81.1135
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore541.21.1087
Cape Doctor Coastal458.01.3101
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8921
Triple Number Coastal/Long Distance Medium1.1443
Triple Number Coastal/Long Distance High1.2796
Triple Number Windward/Leeward Low0.6933
Triple Number Windward/Leeward Medium0.9360
Triple Number Windward/Leeward High1.0791
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8921
Triple Number Coastal/Long Distance Medium1.1443
Triple Number Coastal/Long Distance High1.2796
Triple Number Windward/Leeward Low0.6933
Triple Number Windward/Leeward Medium0.9360
Triple Number Windward/Leeward High1.0791
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance573.21.0468
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Predominantly Upwind566.41.0593
Predominantly Downwind538.81.1135
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance959.1728.5610.4543.1506.7478.1433.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance573.21.0468
Triple Number Coastal/Long Distance Low672.60.8921
Triple Number Coastal/Long Distance Medium524.31.1443
Triple Number Coastal/Long Distance High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance959.1728.5610.4543.1506.7478.1433.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low672.60.8921
Triple Number All Purpose Medium524.31.1443
Triple Number All Purpose High468.91.2796
Triple Number Windward/Leeward Low865.40.6933
Triple Number Windward/Leeward Medium641.00.9360
Triple Number Windward/Leeward High556.01.0791
Predominantly Upwind566.41.0593
Predominantly Downwind538.81.1135
Predominantly Upwind Low738.70.8122
Predominantly Upwind Medium582.41.0303
Predominantly Upwind High543.31.1045
Predominantly Downwind Low745.00.8054
Predominantly Downwind Medium537.01.1173
Predominantly Downwind High446.91.3427
Chicago-Mac Upwind1.0412
Chicago-Mac All Purpose1.0641
Chicago-Mac Downwind1.0936
Bayview-Mac Cove Island0.9930
Bayview-Mac Shore1.0043
Harvest Moon Regatta461.11.3012
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy545.61.0996
San Francisco Bay Medium633.50.9471
Predominantly Reaching503.31.1922
Predominantly Reaching Low611.80.9807
Predominantly Reaching Medium499.31.2017
Predominantly Reaching High441.21.3598
Windward/Leeward 60-40 Low865.80.6930
Windward/Leeward 60-40 Medium657.50.9125
Windward/Leeward 60-40 High585.81.0242
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low943.90.6356
5-Band Low / Medium791.70.7578
5-Band Medium629.70.9528
5-Band Medium / High564.71.0625
5-Band High537.61.1160

International
Certificate
2023

Boat

GOMEZ MOSTLY HARMLESS

GBR-1381

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassPRIMA 38Measurement24/01/2010HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.615Max. Beam3.822Draft2.478Displacement6,951Wetted area29.68IMS L10.850LSM010.709Acc. length11.615Sink (kg/mm) 21.42
VCGD-0.162VCGM-0.216RM Rated (kg·m) 154.1Limit of positive stability(°) 127.8Stability Index129.7
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.409PBW0.125PIPA0.0033
EDL1.803ST10.042ST20.180
ST30.180ST40.112ST50.205
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P15.300IG15.320ISP15.370MDT10.117MDL10.220MDT20.082MDL20.120TL1.530MW0.220GO0.220
E5.400J4.660BAS1.720FSD0.032SFJ0.000SPL4.753WPLTPS0.000BD0.224MWT166.70MCG4.720
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodBoom incliningFlotation Date06/06/2021MeasurerESP 24Comment
SFFP0.410FFM1.368FF1.369LCFcl6.514SG1.0250
SAFP11.174FAM0.925FA0.925LCFsh6.768HBI1.130
W182.0W282.0W382.0W482.0LCFD6.350
PD1224.1PD2224.1PD3224.1PD4224.1
WD5.300PLM9000.00GSA1.0RSA1.0RM152.7
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG001AGUA FLEXIBLE15005.50002COMBUSTIBLE RIGIDO0.900060105.50Total deductible95.50
OTHER ITEMSIdKindDescriptionWeightLCGVCG003MiscellaneousCALENTADOR DE AGUA6.603Battery12v,75A6.00001EngineYANMAR 3GM30Total deductible

International
Certificate
2023

Boat

GOMEZ MOSTLY HARMLESS

GBR-1381

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.191.142.043.474.5349.1409/09/2012One
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentGENOVA 20.100.701.332.573.734.8215.19YesNo 38.1219/09/2012Quantum
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS115.2515.2515.258.068.53103.6220/05/2019S315.2215.2215.227.647.9497.6606/07/2016