International
One Design
Certificate
2024

Boat

LONGTZE PREMIER

MNA-1234

Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles40.5°36.7°35.8°35.8°35.9°36.1°37.2°39.1°
Beat VMG3.954.434.594.654.694.724.684.54
52°5.756.186.386.516.616.696.766.66
60°5.916.396.636.806.937.057.187.13
75°6.026.627.027.297.537.748.028.16
90°5.966.637.267.778.188.559.149.59
110°5.986.757.277.788.439.2610.6811.88
120°5.896.797.578.228.889.5410.9812.79
135°5.486.397.368.529.7210.7812.7714.38
150°4.695.756.487.358.5110.1013.5516.29
Run VMG4.074.985.616.377.378.7511.7314.35
Gybe Angles144.6°151.2°150.6°147.1°143.3°144.0°149.4°152.5°
APH ToD:549.4CDL: 6.930APH ToT: 1.0922CertNo:LONGTZ
BOAT
ClassLONGTZE PREMIERDesignerTHOMSONBuilderLONGTZE YACHTSAge date01/2010Series date04/2007Offset fileLONGTZE.OD.offData filelongtze
HULL
Length Overall6.815 mMaximum Beam2.528 mDraft1.750 mDisplacement615 kgDLR3.0069IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight344 kg(declared)Minimum weight214 kg * when appliedNon Manual PowerNoCrew Arm ExtensionLoose or no lifelines
SAIL AREAS (m²)
MeasuredRatedMainsail21.1821.74Headsail Luffed15.6415.64Headsail FlyingSymmetricAsymmetric59.8059.80 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail5.06Storm Jib3.85Heavy Weather Jib10.38
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment13.7 kg·mStability Index118.6
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
One Design
Certificate
2024

Boat

LONGTZE PREMIER

MNA-1234

Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG911.8812.3784.7773.4767.0763.5769.5793.0
52°626.6582.6564.5553.1544.7538.2532.7540.2
60°608.9563.1542.6529.3519.3510.9501.6505.0
75°597.6543.6512.5493.8478.0464.9449.1441.2
90°604.5543.2496.1463.6440.3421.0393.8375.3
110°601.8533.7495.3462.9427.3388.7337.1302.9
120°611.2530.4475.7437.9405.4377.2327.8281.5
135°657.2563.7489.3422.7370.3334.0282.0250.3
150°767.0626.0556.0489.7422.9356.4265.7221.0
Run VMG885.6722.2641.7565.4488.3411.5306.8250.9
Selected Courses
Windward / Leeward898.7767.3713.2669.4627.7587.5538.1522.0
All purpose711.0622.5577.7542.9511.9483.8447.7432.3
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward676.30.8872
All purpose549.41.0922
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance594.61.0091
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance897.4726.9645.7581.7533.1488.1420.3398.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7524
Downwind "popa"1.0444
70% up, 30% down "Ilhabela"0.8213
30% up, 70% down "Ilhabela-inverso"0.9355
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Predominantly Upwind611.40.9814
Predominantly Downwind532.61.1266
Custom scoring options for Canada
Scoring OptionTODTOT
Predominant Upwind608.70.9856
Predominant Reaching517.61.1592
Predominant Downwind517.61.1592
Predominant Upwind - Low720.60.8326
Predominant Upwind - Low/Med648.80.9248
Predominant Upwind - Medium599.81.0003
Predominant Upwind - Med/High563.01.0658
Predominant Upwind - High545.01.1009
Predominant Reaching Low652.50.9195
Predominant Reaching Low/Med572.21.0486
Predominant Reaching Medium505.41.1872
Predominant Reaching Med/High447.71.3401
Predominant Reaching High413.51.4511
Predominant Downwind Low652.50.9195
Predominant Downwind Low/Med609.80.9839
Predominant Downwind Medium520.31.1531
Predominant Downwind Med/High433.71.3834
Predominant Downwind High377.91.5877
Harvest Moon Regatta450.01.3335
Chicago-Mac Upwind0.9670
Chicago-Mac All Purpose1.0304
Chicago-Mac Downwind1.1019
Bayview-Mac Cove Island0.9753
Bayview-Mac Shore0.9760
Scoring OptionTODTOT
5-Band Windward/Leeward Low868.90.6905
5-Band Windward/Leeward Low/Med753.10.7967
5-Band Windward/Leeward Medium671.00.8942
5-Band Windward/Leeward Med/High593.01.0118
5-Band Windward/Leeward High543.91.1032
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Windward/Leeward 60-40 Low873.00.6873
Windward/Leeward 60-40 Low/Med764.80.7845
Windward/Leeward 60-40 Medium692.10.8669
Windward/Leeward 60-40 Med/High627.60.9561
Windward/Leeward 60-40 High589.61.0176
5-Band AP Low690.90.8685
5-Band AP Low/Med608.00.9869
5-Band AP Medium545.21.1005
5-Band AP Med/High487.51.2308
5-Band AP High451.31.3295
Triple Number AP Low666.70.8999
Triple Number AP Medium553.41.0841
Triple Number AP High477.31.2571
5-Band SF Bay Tour - Low828.00.7246
5-Band SF Bay Tour - Low/Med722.20.8308
5-Band SF Bay Tour - Medium647.50.9267
5-Band SF Bay Tour - Med/High579.91.0346
5-Band SF Bay Tour - High539.21.1127
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance594.61.0091
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance897.4726.9645.7581.7533.1488.1420.3398.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance594.61.0091
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance897.4726.9645.7581.7533.1488.1420.3398.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance594.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance897.4726.9645.7581.7533.1488.1420.3398.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)594.61.0091
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance897.4726.9645.7581.7533.1488.1420.3398.2
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8999
Triple Number Coastal/Long Distance Medium1.0842
Triple Number Coastal/Long Distance High1.2571
Triple Number Windward/Leeward Low0.7203
Triple Number Windward/Leeward Medium0.8801
Triple Number Windward/Leeward High1.0362
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance897.4726.9645.7581.7533.1488.1420.3398.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance594.61.0091
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance897.4726.9645.7581.7533.1488.1420.3398.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance594.61.0091
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance897.4726.9645.7581.7533.1488.1420.3398.2
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance594.61.0091
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance897.4726.9645.7581.7533.1488.1420.3398.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low666.7
Triple Number Coastal/Long Distance Medium553.4
Triple Number Coastal/Long Distance High477.3
Triple Number Windward/Leeward Low833.0
Triple Number Windward/Leeward Medium681.7
Triple Number Windward/Leeward High579.0
Predominantly Upwind611.4
Predominantly Downwind532.6
Predominantly Reaching517.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance594.61.0091
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance897.4726.9645.7581.7533.1488.1420.3398.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8999
Triple Number Coastal/Long Distance Medium1.0842
Triple Number Coastal/Long Distance High1.2571
Triple Number Windward/Leeward Low0.7203
Triple Number Windward/Leeward Medium0.8801
Triple Number Windward/Leeward High1.0362
Coastal/Long Distance1.0091
Predominantly Upwind0.9814
Predominantly Downwind1.1266
For information
General Purpose Handicap (GPH)607.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8999
Tretall Distanseseilas Mellomvind1.0842
Tretall Distanseseilas Mye vind1.2571
Tretall Pølsebane Lite vind0.7203
Tretall Pølsebane Mellomvind0.8801
Tretall Pølsebane Mye vind1.0362
Distanseseilas ett tall (OSN 8-16kn)1.0091
Distanseseilas ett tall (APH 6-20kn)1.0922
Enkeltall Motvind0.9814
Enkeltall Medvind1.1266
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Coastal/Long Distance594.61.0091
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind611.40.9814
Predominantly Downwind532.61.1266
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore526.81.1389
Cape Doctor Coastal436.91.3732
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8999
Triple Number Coastal/Long Distance Medium1.0842
Triple Number Coastal/Long Distance High1.2571
Triple Number Windward/Leeward Low0.7203
Triple Number Windward/Leeward Medium0.8801
Triple Number Windward/Leeward High1.0362
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8999
Triple Number Coastal/Long Distance Medium1.0842
Triple Number Coastal/Long Distance High1.2571
Triple Number Windward/Leeward Low0.7203
Triple Number Windward/Leeward Medium0.8801
Triple Number Windward/Leeward High1.0362
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance594.61.0091
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Predominantly Upwind611.40.9814
Predominantly Downwind532.61.1266
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance897.4726.9645.7581.7533.1488.1420.3398.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance594.61.0091
Triple Number Coastal/Long Distance Low666.70.8999
Triple Number Coastal/Long Distance Medium553.41.0842
Triple Number Coastal/Long Distance High477.31.2571
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance897.4726.9645.7581.7533.1488.1420.3398.2
Custom scoring options for United States of America
Scoring OptionTODTOT
Predominant Upwind608.70.9856
Predominant Reaching517.61.1592
Predominant Downwind517.61.1592
Predominant Upwind - Low720.60.8326
Predominant Upwind - Low/Med648.80.9248
Predominant Upwind - Medium599.81.0003
Predominant Upwind - Med/High563.01.0658
Predominant Upwind - High545.01.1009
Predominant Reaching Low652.50.9195
Predominant Reaching Low/Med572.21.0486
Predominant Reaching Medium505.41.1872
Predominant Reaching Med/High447.71.3401
Predominant Reaching High413.51.4511
Predominant Downwind Low652.50.9195
Predominant Downwind Low/Med609.80.9839
Predominant Downwind Medium520.31.1531
Predominant Downwind Med/High433.71.3834
Predominant Downwind High377.91.5877
Harvest Moon Regatta450.01.3335
Chicago-Mac Upwind0.9670
Chicago-Mac All Purpose1.0304
Chicago-Mac Downwind1.1019
Bayview-Mac Cove Island0.9753
Bayview-Mac Shore0.9760
Scoring OptionTODTOT
5-Band Windward/Leeward Low868.90.6905
5-Band Windward/Leeward Low/Med753.10.7967
5-Band Windward/Leeward Medium671.00.8942
5-Band Windward/Leeward Med/High593.01.0118
5-Band Windward/Leeward High543.91.1032
Triple Number Windward/Leeward Low833.00.7203
Triple Number Windward/Leeward Medium681.70.8801
Triple Number Windward/Leeward High579.01.0362
Windward/Leeward 60-40 Low873.00.6873
Windward/Leeward 60-40 Low/Med764.80.7845
Windward/Leeward 60-40 Medium692.10.8669
Windward/Leeward 60-40 Med/High627.60.9561
Windward/Leeward 60-40 High589.61.0176
5-Band AP Low690.90.8685
5-Band AP Low/Med608.00.9869
5-Band AP Medium545.21.1005
5-Band AP Med/High487.51.2308
5-Band AP High451.31.3295
Triple Number AP Low666.70.8999
Triple Number AP Medium553.41.0841
Triple Number AP High477.31.2571
5-Band SF Bay Tour - Low828.00.7246
5-Band SF Bay Tour - Low/Med722.20.8308
5-Band SF Bay Tour - Medium647.50.9267
5-Band SF Bay Tour - Med/High579.91.0346
5-Band SF Bay Tour - High539.21.1127

International
One Design
Certificate
2024

Boat

LONGTZE PREMIER

MNA-1234

Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassLONGTZE PREMIERMeasurement12/05/2018HINPlan reviewHull constructionCoredCarbon RudderYesLight stanchionsNoTrim tabNo
LOA6.815Max. Beam2.528Draft1.750Displacement615Wetted area7.78IMS L6.405LSM05.891Acc. length6.815Sink (kg/mm) 5.84
VCGD-0.510VCGM-0.449RM Rated (kg·m) 13.7Limit of positive stability(°) 127.7Stability Index118.6Default crew weight307Declared crew weight344
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionFixedInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders2Rotating mastNo
P9.220IG8.702ISP10.336MDT10.081MDL10.091MDT20.060MDL20.070TL1.494MW0.091GO0.110
E3.136J2.630BAS1.026FSD0.000SFJ0.088SPLWPLTPS5.118BD0.095MWT31.50MCG3.320
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date26/11/2017Measurer48-85CommentLa Rochelle Measurement Condition Optimal
SFFP0.017FFM0.642FF0.643LCFcl3.666SG1.0200
SAFP6.805FAM0.223FA0.223LCFsh3.868HBI0.672
W113.7W213.7W313.7W413.7
PD1517.0PD2517.6PD3527.3PD4520.5
WD6.600PLM9000.00GSA1.0RSA1.0RM13.7
BALLAST
TANKS
INVENTORY
IdDescriptionWeight SailingLCGVCGGAIdDescriptionWeight SailingLCGVCGGAAOUTBOARD ENGINE4.09    AHONDA OUTBOARD 2.5 HP   
INVENTORY
Fixed Ballast Total0
Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGAMiscellaneousOUTBOARD ENGINE144.09AEngineHONDA OUTBOARD 2.5 HPTotal deductible0

International
One Design
Certificate
2024

Boat

LONGTZE PREMIER

MNA-1234

MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA1.451.521.882.322.7721.18class rules
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.070.460.991.792.543.508.86YesNo 15.64class rules
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA12.2010.0511.136.456.45100%59.80class rules