Certificate
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Certification #:
US43125
Issue Date:
07/03/2023
Build Date:
01/01/2005
Measure Date:
01/01/2001
Float Date:
11/06/2013
 
LOA:
17.200 ft
Beam Max:
4.726 ft
Crew:
1,218 lbs
Stab Index:
127.2 °
PIPA:
0.0122 ft²
ABS Plan:
ECE:
0 ft
Canting Angle:
0.0 °
List Angle:
0.0 °
Water Ballast:
0 lbs
Trim Water Ball:
0.000 ft³
Stored Power:
Class:
Swan 56
Builder:
NAUTOR
Rig Type:
Masthead Sloop
Prop Type:
3 Blade Folding Exposed
Comment:
Keel Type:
Fixed Keel With Winglets
Spinnaker:
-
Hull Const:
Cored
Mast Const:
Carbon
Offset File:
ISWAN56.OFF
Starlight   USA 56045
ORR Type:
Offshore
Measurement:
Partially Measured
Valid Year:
2023
General Purpose Handicap(GPH):
530.7 SpM
ORA Logo
ORR Logo
2023 Offshore Racing Rule Certificate Data
Genoa/Jib
IG:
22.600 ft
J:
6.300 ft
SFJ:
0.420 ft
JLP:
8.430 ft
FSP:
0.080 ft
JLU:
21.980 ft
JH:
0.110 ft
JMGT:
0.990 ft
JMGU:
1.910 ft
JMGM:
3.910 ft
JMGL:
6.100 ft
JLE:
20.720 ft
Area Jib:
90.5 ft²
Fstay Adj:
Via Backstay
Inner Fst Adj:
None
Whisker Pole:
Outrigger:
Large Roach Headsail
ILRH:
0.000 ft
JLRH:
0.000 ft
LRHLP:
0.000 ft
LRHLU:
0.000 ft
LRHHB:
0.000 ft
LRHTW:
0.000 ft
LRHUW:
0.000 ft
LRHMW:
0.000 ft
LRHQW:
0.000 ft
LRHSHW:
0.000 ft
LRHF:
0.000 ft
LRHLE:
0.000 ft
Area LRH:
0.0 ft²
Mainsail/Mast
GO:
0.335 ft
MW:
0.310 ft
P:
20.300 ft
E:
6.600 ft
HB:
0.060 ft
MGT:
1.350 ft
MGU:
2.425 ft
MGM:
4.250 ft
MGL:
5.545 ft
Area Main:
80.6 ft²
Main Wt:
0.0 lbs
MDT1:
0.160 ft
MDL1:
0.320 ft
MDT2:
0.158 ft
MDL2:
0.200 ft
TL:
3.000 ft
Mast Wt:
0.0 lbs
Mast CG:
0.000 ft
BAS:
2.005 ft
Measurement Trim
SFFP:
0.605 ft
SAFP:
15.568 ft
FFM:
1.628 ft
FAM:
1.232 ft
SG:
1.019
Disp Empty:
20,126 lbs
LCB:
9.192 ft
VCGD:
-0.062 ft
VCGM:
0.005 ft
Wetted Area:
55.8 ft²
Draft:
2.682 ft
LSM0:
15.201 ft
RMC:
517.1 ft·lbs
Sink/Float:
415.2 lb/in
MTCT:
325.08 ft·lbs/in
Mizzen
EB:
0.000 ft
PY:
0.000 ft
EY:
0.000 ft
HBY:
0.000 ft
MGTY:
0.000 ft
MGUY:
0.000 ft
MGMY:
0.000 ft
MGLY:
0.000 ft
Area Mizzen:
0.0 ft²
MDT1Y:
0.000 ft
MDL1Y:
0.000 ft
MDL2Y:
0.000 ft
MDT2Y:
0.000 ft
TLY:
0.000 ft
Owner(s):
Marshall, Lucia
Propeller
Prop Dia.:
0.655 ft
PBW:
0.177 ft
Twin Prop Inst:
Prop Install:
Exposed
ESL:
1.225 ft
EDL:
0.000 ft
PSA:
17.0 °
PSD:
0.038 ft
PHD:
0.110 ft
PHL:
0.222 ft
ST1:
0.058 ft
ST2:
0.185 ft
ST3:
0.225 ft
ST4:
0.070 ft
ST5:
0.325 ft
Sailing Trim
FF:
1.628 ft
FA:
1.170 ft
Disp Sailing:
21,830 lbs
LCB:
9.324 ft
VCGM:
0.094 ft
Wetted Area:
57.5 ft²
Draft:
2.719 ft
Rated Length:
15.428 ft
LSM1:
15.427 ft
LSM3:
15.664 ft
LSM4:
16.958 ft
RM2:
522.6 ft·lbs
RM20:
491.6 ft·lbs
RM40:
414.9 ft·lbs
RM60:
273.2 ft·lbs
RM90:
107.2 ft·lbs
LPS:
115.2 °
Spinnaker(s)
ISP:
22.600 ft
SPL:
7.000 ft
SL:
0.000 ft
SMW:
0.000 ft
SF:
0.000 ft
Area Symm:
0.0 ft²
 
TPS:
7.000 ft
ASLU:
23.300 ft
ASLE:
20.200 ft
AMG:
9.890 ft
ASF:
11.010 ft
Area Asym:
183.3 ft²
Mizzen Staysail
YSD:
0.000 ft
YSMG:
0.000 ft
YSF:
0.000 ft
Area Staysail:
0.0 ft²
Starlight   USA 56045
ORA Logo
ORR Logo
2023 Offshore Racing Rule Certificate Polars
Table of Boat Speed Polars (knots)* (at True Wind Angles)
True Wind Speed6 kts8 kts10 kts12 kts16 kts20 kts24 kts
Opt Beat Angle45.6°43.2°43.4°40.9°37.8°36.5°36.5°
Optimum Beat5.416.427.367.688.008.168.31
52°6.007.298.178.558.959.169.30
60°6.557.878.608.929.279.479.60
75°7.108.399.029.389.7510.0210.21
90°7.488.759.339.6910.1910.5410.79
110°7.428.719.409.9210.6111.1011.47
120°7.078.449.129.6210.4811.3111.79
135°5.967.218.248.869.7710.6011.50
150°4.275.606.747.749.069.9210.72
165°3.484.645.736.718.369.3610.14
180°3.174.235.266.217.879.019.81
Optimum Run6.146.977.757.918.449.199.94
Opt Run Angle133.5°137.1°139.8°148.0°163.2°171.1°172.6°
* Speed through the water. Available as a Performance Package from the Offshore Racing Association with detailed polar charts and files to upload into popular tactical programs. Go to: https://offshoreracingrule.org/orr/polar-package"
Table of Time Allowances (sec/mile)*
True Wind Speed6 kts8 kts10 kts12 kts16 kts20 kts24 kts
Opt Beat Angle45.643.243.440.937.836.536.5
Beat VMG951.7768.6672.7619.6569.6548.8538.8
52°599.6493.6440.5420.9402.4393.0387.3
60°549.9457.4418.8403.7388.4380.1374.9
75°507.0429.0399.1383.9369.2359.3352.4
90°481.4411.2386.0371.7353.2341.7333.6
110°485.0413.5383.0362.9339.3324.4313.8
120°509.2426.7394.5374.2343.5318.4305.2
135°602.3499.1436.8406.4368.3339.6313.1
150°737.7610.8526.6465.0397.4362.7335.9
165°822.8681.3587.4518.6430.5384.6355.1
Run VMG851.8705.3608.1536.9445.7396.5365.3
Opt Run Angle133.5137.1139.8148.0163.2171.1172.6
* Sec/mile rating assume gybing downwind when target angles are deeper than best VMG angles.
Custom Ratings (TCF) ORA works with OA's to create custom ratings for your race course and wind conditions.
TOT (Spin)
Chicago Mac Upwind
Chicago Mac AP
Chicago Mac Offwind
Bayview Mac
California Offshore
Pacific Cup
Transpac (Approx.)
Puerto Vallarta
Cabo San Lucas
Acapulco WW/LW
Acapulco Random
Acapulco WW/LW5
Acapulco Stat Fit
San Francisco Bay
General Ratings (TCF)
TOT (Spin)
Ocean Non Spinnaker
Offshore Offwind
GPH Rating (SPM)
TOD (Spin)
GPH
Performance Metrics
SA/D Dnwind:
34.35
SA/D Average:
28.31
SA/D Upwind:
22.27
D/Length:
165.6
Ave Perf Screen:
17.1
Ratings by Wind Speed (TCF)
TOT (Spin)
LightMediumHeavy
Closed Course
WL 50/50
WL 60/40
Performance Curve Scoring (PCS) Ratings (SPM)
TOD (Spin)
6kt8kt10kt12kt16kt20kt24kt
Closed Course
WL 50/50
WL 60/40
Newport to Bermuda
Marion to Bermuda
Starlight   USA 56045
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ORR Logo
2023 Offshore Racing Rule Certificate Ratings
Starlight   USA 56045
ORA Logo
ORR Logo
2023 Offshore Racing Rule Certificate Line Drawing
: Search:
Label Definition Values
CERTIFICATION #text
ORR TYPEConfiguration describes the boats configuration in relationship to other prior certificates. It can be left blank if a boat has only one certificate. It has a maximum of 20 characters.text
SKU COPIED FROMtext
ISSUE DATEdate
MEASURE DATEdate
FLOAT DATEdate
BDYlength
EBlength
FFlength
GOlength
IGThe height of highest Genoa/Jib termination point above the sheer line.length
ILRHThe height of Large Roach Headsail termination point above the sheer line.length
ISPThe height of highest spinnaker termination point above the shear line.length
LOAThe overall length of the boat including the whole hull. Do not include spars or projections fixed to the hull such as chainplates, bowsprits, boomkins, pulpits, etc..length
SFFPlength
YSDlength
BEAM MAXThe maximum width (beam) of the boat measured at deck level at the widest point between the port and starboard sides.length
SA/D DNWINDA sailboat metric for express a Power to Drag ratio. Downwind SA/D = Downwind Sail Area/(displacement)^.667number
FAlength
JThe distance between the front of the mast and the headstay termination on the deck at the sheer line.length
JLRHThe distance between the front of the mast and the Large Roach Headsail tack point at the sheer line.length
MEASUREMENTConfiguration describes the boats configuration in relationship to other prior certificates. It can be left blank if a boat has only one certificate. It has a maximum of 20 characters.text
MWlength
PYThe distance between colored bands on the mizzen mast, or the maximum luff length of the Mizzen.length
SAFPlength
SPLThe length of the spinnaker pole (or whisker pole), when it is attached on the mast, and set in a horizontal position fore and aft, measured from the forward face of the mast to the forward most point of the pole and fittings.length
YSMGlength
SFJlength
SA/D AVERAGEnumber
BASYlength
CREWThe aggregate weight of the crew in lightweight clothing used in the calculations of ratings.weight
DISP SAILINGThe calculated displacement of the boat in sailing configuration, including equipment and crew.weight
EYThe distance between colored bands on the boom, or the maximum foot length of the Mizzen.length
FFMlength
JLPThe shortest distance from the clew of the Jib to the luff.length
LRHLPThe shortest distance from the clew of the Large Roach Headsail to the luff.length
PThe distance between colored bands on the mast, or the maximum luff length of the Mainsail.length
RIG TYPEThe type (style) of rig the boat uses.text
SLThe longest length of a Symmetric Spinnaker luff and leech measured along the edges of the sail from head to foot.length
SA/D UPWINDnumber
VALID YEARtext
YSFlength
RIG TYPEThe type (style) of rig the boat uses.text
EThe distance between the colored bands on the boom, or the maximum foot length of the Mainsail.length
FAMlength
FSPlength
HBYThe width of the Mizzen headboard.length
LCBlength
LRHLUThe length of the luff shall normally be the distance between the lowest part of the sail of the luff at the tack and the highest point of the sail on the luff at the head.length
SMWThe Symmetrical Spinnaker measurement between the midpoints of the luff and leech.length
STAB INDEXdegree
AREA STAYSAILarea
D/LENGTHBoat Metric for comparing designs and Speed. DLR = Displacement/(LWL)^3text
HBThe width of the Mainsail Headboard.length
JLUThe length of the luff shall normally be the distance between the lowest part of the sail of the luff at the tack and the highest point of the sail on the luff at the head.length
LRHHBThe width of the Large Roach Headsail head or headboard.length
MGTYThe shortest distance from the seven-eighths-leech point of the Mizzen to the luff.length
SFThe Symmetrical Spinnaker distance between the tack and clew, measured by the shortest path.length
SGThe specific gravity of the water shall be measured at this time and recorded as SG. The water shall be sampled from a level 0.3m (one foot) below the surface.number
VCGMlength
ABS PLAN
DISP EMPTYThe dry weight of the boat with all loose equipment removed. This is undoubtedly the most frequent question by owners since in almost all cased the "Measured Displacement" used for ORR-Ez ratings is greater than the "Brochure Displacement" used for publications and posted on Sailboatdata.com ORR-Ez uses the median of the boats that have been measured for ORR,ORC,IRC, Americap, IMSweight
ECElength
JHThe width of the Jib head or headboard.length
LRHTWThe shortest distance from the seven-eighths-leech point of the Large Roach Headsail to the luff.length
MGTThe shortest distance from the seven-eighths-leech point of the Mainsail to the luff.length
MGUYThe shortest distance from the three-quarter-leech point of the Mizzen to the luff.length
AREA SYMMarea
WETTED AREAarea
TPSThe tack point of an asymmetric spinnaker (mounted on the centerline of the boat, to the deck or to a sprit) measured from the front of the mast to the tack point of the sail, perpendicular to the water.length
ASLUThe Asymmetrical spinnaker luff length.length
AVE PERF SCREENAverage perf screen is a metric that is used by some OA's for establishing fleet splits that are based on the 'Sportiness' of a boat. Mathematically it is Average Sail Area Displacement Ratio / Displacement Length Ratio * 100 to make it readable.number
CANTING ANGLEdegree
DRAFTThe maximun depth of the boat (keel) below the waterline.length
JMGTThe shortest distance from the seven-eighths-leech point of the Jib to the luff.length
LCBlength
LRHUWThe shortest distance from the three-quarter-leech point of the Large Roach Headsail to the luff.length
MGMYThe shortest distance from the half-leech point of the Mizzen to the luff.length
MGUThe shortest distance from the three-quarter-leech point of the Mainsail to the luff. length
VCGDlength
ASLEThe Asymmetrical Spinnaker leech length.length
JMGUThe shortest distance from the three-quarter-leech point of the Jib to the luff.length
LIST ANGLEdegree
LRHMWThe shortest distance from the half-leech point of the Large Roach Headsail to the luff.length
MGLYThe shortest distance from the quarter-leech point of the Mizzen to the luff.length
MGMThe shortest distance from the half-leech point of the Mainsail to the luff.length
PROP TYPEThe type (style) of propeller the boat uses; or to indicate the use of an Outboard motor.text
RATED LENGTHThe Rated Length of a boat is the effective sailing length used to predict boat speeds and ratings. This is calculated in the sailing conditions which includes crew, gear and sails. It includes the effects of bow and stern overhangs.length
VCGMlength
AMGThe measurement between the midpoints of the Asymmetrical Spinnaker luff and leech.length
JMGMThe shortest distance from the half-leech point of the Jib to the luff.length
LRHQWThe shortest distance from the quarter-leech point of the Large Roach Headsail to the luff.length
LSM1length
MGLThe shortest distance from the quarter-leech point of the Mainsail to the luff.length
PROP INSTALLThe type (style) and placement of mounting for the propeller.● Exposed,
● In Aperture,
● Strut Drive,
● Other,
● Exposed Other,
● Exposed Twin,
● Housed Shaft,
● Pre 1987,
● Old Strut,
● Exp No Strut,
● No Prop,
AREA MIZZENThe total area (square feet/meters) of the Mizzen.area
WATER BALLASTweight
WETTED AREAarea
COMMENTtext
ASFThe Asymmetrical Spinnaker foot length.length
DRAFTThe maximun depth of the boat (keel) below the waterline.length
JMGLThe shortest distance from the quarter-leech point of the Jib to the luff.length
LRHSHWThe measurement between the midpoints of the Large Roach Headsail luff and leech.length
LSM3length
MDT1Ylength
AREA MAINThe total area (square feet/meters) of the largest Mainsail.area
TRIM WATER BALLvolume
JLElength
LRHFThe length of the foot of the Large Roach Headsail.length
LSM0length
LSM4length
MDL1Ylength
MAIN WTweight
STORED POWER
AREA ASYMThis is the rated Sail area after any rule based limitations.area
LRHLEThe length of the leech of the Large Roach Headsail.length
MDT1length
RM2force
RMCforce
KEEL TYPE
SPINNAKERThe type of spinnaker(s) this boat flies. Include all types.● None,
● Asymmetrical tacked centerline on bow, sprit or prod,
● Asymmetrical only flown with spinnaker pole,
● Symmetrical flown with spinnaker pole,
● Both Symmetrical & Asymmetrical flown with spin pole,
BOW SHEER Xnumber
LARGE ROACH HEADSAILAnswer Yes if you carry a headsail with a midgirth-to-foot measurement ratio of greater than 50% but less than 75%.text
MDL1length
MDL2Ylength
MDT2Ylength
RM20force
SINK/FLOATweightpersinkage
AREA JIBarea
AREA LRHThe total area (square feet/meters) of the largest Large Roach Headsail.area
FSTAY ADJ
MDT2length
MTCTmomentpertrim
RM40force
TLYlength
HULL CONSTtext
INNER FST ADJ
MDL2length
RM60force
MAST CONSTtext
WHISKER POLE
OFFSET FILEtext
OUTRIGGER
RM90force
TLlength
LPSdegree
MAST WTMWTweight
MAST CGMCGlength
BASlength
BDlength
Rating Types
Rating TypeDefinition
Closed Course
WL 50/50
WL 60/40
Marion to Bermuda
Newport to Bermuda
GPHGeneral Purpose Handicap
Ocean Non Spinnaker
Offshore Offwind
Wind Types
Wind TypeDefinition
6kt
8kt
10kt
12kt
16kt
20kt
24kt
Light
Medium
Heavy
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