Certificate
Units: EnglishHINT: Any heading in blue typeface can be clicked on to see a full definition of the term. (help)
Class:
Johnson 18
Configuration:
One Design
Sail Number:
Year Built:
1996
Builder:
Johnson Boatworks
Owner(s):
Sailor, Jane
Certificate #:
EZ10891-OD
Valid Year:
2026
Type:
OD Template
Issue Date:
2026-02-23
Exp.Date:
2026-12-31
Offsets_file:
Johnson18_JT.off
Cert Group:
ORR-Ez
Comment:
Rig Type:
Sloop
Keel Type:
Fixed
Prop Type:
None
Prop Install:
-
Prop Blades:
-
Prop Diameter:
0.00 ft
Johnson 18 Template - 
Johnson 18   One Design
EZ Logo
ORA Logo
2026 EZ Certificate - EZ10891-OD
SpinnakerGPH: / IR#: / PHRF BM:
Non-SpinGPH: / IR#: / PHRF BM:
LOA:
5.49 ft
LWL:
5.06 ft
Rated Length:
5.52 ft
Beam Max:
2.02 ft
Draft:
1.38 ft
Draft Shoal:
1.38 ft
Disp Empty:
359 lbs
Disp Sailing:
671 lbs
Crew:
252 lbs
Water Ballast:
0 lbs
Wetted Area:
7.5 ft²
LPS:
90.6 °
RM20:
12.5 ft·lbs
Stab Index:
69 °
Sprit Pivot:
0.00 ft
Sprit Angle Max:
0.000 °
Rig & Mainsail
I:
5.18 ft
J:
1.84 ft
P:
6.25 ft
E:
2.59 ft
Furler:
No
Mizzen Rig
PY:
0.00 ft
EY:
0.00 ft
Jib/Genoa Rig
IG:
5.18 ft
JG:
1.84 ft
Furler:
Yes Below Deck
Whisker Pole:
No
Outrigger:
No
Symmetric Spin Rig
ISP:
5.83 ft
SPL:
0.00 ft
Asymmetric Spin Rig
ISPA:
5.83 ft
TPS:
3.26 ft
Tack:
Centerline
Narrow Asym Rig
ISPN:
0.00 ft
TPSN:
0.00 ft
Tack:
--pick one--
Large Roach Headsail Rig
ILRH:
0.00 ft
JLRH:
0.00 ft
Mainsail Meas
Desc:
MHB:
0.19 ft
MUW:
0.70 ft
MTW:
1.22 ft
MHW:
1.99 ft
MQW:
2.44 ft
Area:
11.5 ft²
Mizzen Meas
Desc:
MHBY:
0.00 ft
MUWY:
0.00 ft
MTWY:
0.00 ft
MHWY:
0.00 ft
MQWY:
0.00 ft
Area:
0.0 ft²
Jib/Genoa Meas
Desc:
HLP:
2.03 ft
LP%:
110.3 %
HLU:
5.24 ft
HHB:
0.000 ft
HUW:
0.254 ft
HTW:
0.507 ft
HHW:
1.015 ft
HQW:
1.522 ft
HLE:
4.923 ft
Area:
5.3 ft²
Symmetric Spin Meas
Desc:
SL:
0.00 ft
SHW:
0.00 ft
SFL:
0.00 ft
Area:
0.0 ft²
Asymmetric Spin Meas
Desc:
SLU:
6.88 ft
SLE:
5.37 ft
SHW:
3.82 ft
SFL:
4.67 ft
Area:
20.4 ft²
Narrow Asym Meas
Mfr. Date:
12/31/1969
Desc:
VPP Area Narr:
0.00 ft²
SLU:
0.00 ft
SLE:
0.00 ft
SHW:
0.00 ft
SFL:
0.00 ft
Area:
0.0 ft²
Large Roach Headsail Meas
Desc:
SFL:
0.00 ft
SHW:
0.00 ft
HLP:
0.00 ft
HLU:
0.00 ft
HLE:
0.00 ft
HHB:
0.00 ft
HUW:
0.00 ft
HTW:
0.00 ft
HHW:
0.00 ft
HQW:
0.00 ft
Area:
0.0 ft²
Benchmark Ratings
TOT (Spin)TOD (Spin)
GPH
IR#
Benchmark Ratings
TOT (Non-Spin)TOD (Non-Spin)
GPH
IR#
Custom Ratings
TOT (Spin)TOD (Spin)
So Cal Offshore
So Cal Offshore Offwind
APH
Custom Ratings
TOT (Non-Spin)TOD (Non-Spin)
So Cal Offshore
So Cal Offshore Offwind
APH
Non-Spinnaker
Spinnaker
PCS Ratings
4 kts6 kts8 kts10 kts12 kts14 kts16 kts20 kts24 kts
RANDOM LEG
W50/L50
W60/L40
MOSTLY WW
MOSTLY LW
MOSTLY REACH
PCS Ratings
4 kts6 kts8 kts10 kts12 kts14 kts16 kts20 kts24 kts
RANDOM LEG
W50/L50
W60/L40
MOSTLY WW
MOSTLY LW
MOSTLY REACH
Performance Metrics
SA/D Dnwind:
42.36
SA/D Average:
32.37
SA/D Upwind:
22.37
D/Length:
111.0
Ave Perf Screen:
29.2
DnWind Perf Screen:
38.2
Performance Metrics
SA/D:
22.37
D/Length:
111.0
Perf Screen:
20.2
Johnson 18 Template - 
Johnson 18   One Design
EZ Logo
ORA Logo
2026 EZ Certificate - EZ10891-OD
There is no declared Spinnaker for this boat.
Polar Time Allowances
True Wind Speed4 kts6 kts8 kts10 kts12 kts14 kts16 kts20 kts24 ktsOpt Beat Angle47.446.044.741.138.637.737.135.535.1Beat VMG2,069.321,453.781,115.45960.26875.91819.21782.69737.63714.12521,289.95915.03718.96648.50602.61565.74535.05501.15477.89601,160.06836.55679.05619.02576.46533.89498.74459.73433.69751,041.49761.63644.41590.97545.56497.41446.78393.67361.89901,025.29751.61640.64588.49543.05494.22438.93344.92317.561101,165.20838.81679.78620.16577.57534.70489.34386.69306.561201,324.84931.03724.38649.12601.23562.30520.21428.96339.021351,669.991,132.22846.76708.76642.41596.28557.35474.13390.181501,942.061,298.33953.47780.10680.89624.98583.36505.66426.141652,144.131,426.251,039.23842.99719.24651.01603.88527.78451.62Run VMG2,220.171,476.681,075.01870.36739.95664.62614.84538.78463.79OPT Run Angle165.9167.1169.6171.7173.8177.0177.6176.8174.4
Polar Time Allowances
True Wind Speed4 kts6 kts8 kts10 kts12 kts14 kts16 kts20 kts24 ktsOpt Beat Angle47.446.044.741.138.637.737.135.535.1Beat VMG2,069.321,453.781,115.45960.26875.91819.21782.69737.63714.12521,289.95915.03718.96648.50602.61565.74535.05501.15477.89601,160.06836.55679.05619.02576.46533.89498.74459.73433.69751,041.49761.63638.76574.53519.70481.10446.78393.67361.8990968.68705.81599.87533.51467.66422.23386.12336.97311.33110927.21691.12593.05527.68457.74386.90341.55298.87274.01120955.36704.13606.99548.45486.80419.34351.81289.65263.651351,100.35788.83657.92602.23554.96503.62447.60340.82279.291501,346.56963.80767.55666.96609.49564.16517.78417.42335.501651,501.891,074.98856.09738.16664.62609.25566.78465.57374.20Run VMG1,554.871,112.90886.28764.20688.06630.11586.00481.99387.40OPT Run Angle135.8136.9144.9155.0164.5168.2169.2134.6144.5
Legacy 4 Winds
TOT (Spin)TOD (Spin)
V.LightLightMediumHeavyV.LightLightMediumHeavy
RANDOM LEG
W50/L50
W60/L40
MOSTLY WW
MOSTLY LW
MOSTLY REACH
Legacy 4 Winds
TOT (Non-Spin)TOD (Non-Spin)
V.LightLightMediumHeavyV.LightLightMediumHeavy
RANDOM LEG
W50/L50
W60/L40
MOSTLY WW
MOSTLY LW
MOSTLY REACH
Non-Spinnaker
Spinnaker
Standard 5 Winds
TOT (Spin)TOD (Spin)
V.Light
<5
Light
5-7
Lt/Med
7-9
Medium
9-15
Heavy
>15
V.Light
<5
Light
5-7
Lt/Med
7-9
Medium
9-15
Heavy
>15
RANDOM LEG
W50/L50
W60/L40
MOSTLY WW
MOSTLY LW
MOSTLY REACH
Standard 5 Winds
TOT (Non-Spin)TOD (Non-Spin)
V.Light
<5
Light
5-7
Lt/Med
7-9
Medium
9-15
Heavy
>15
V.Light
<5
Light
5-7
Lt/Med
7-9
Medium
9-15
Heavy
>15
RANDOM LEG
W50/L50
W60/L40
MOSTLY WW
MOSTLY LW
MOSTLY REACH
Standard Single Wind
TOT (Spin)TOD (Spin)
SingleSingle
RANDOM LEG
W50/L50
W60/L40
MOSTLY WW
MOSTLY LW
MOSTLY REACH
Standard Single Wind
TOT (Non-Spin)TOD (Non-Spin)
SingleSingle
RANDOM LEG
W50/L50
W60/L40
MOSTLY WW
MOSTLY LW
MOSTLY REACH
Johnson 18 Template - 
Johnson 18   One Design
EZ Logo
ORA Logo
2026 EZ Certificate - EZ10891-OD
There is no declared Spinnaker for this boat.
Non-Spinnaker
PHRF 5 Winds
V.Light
<5
Light
5-7
Lt/Med
7-9
Medium
9-15
Heavy
>15
RANDOM LEG
W50/L50
W60/L40
MOSTLY WW
MOSTLY LW
MOSTLY REACH
PHRF 5 Winds
V.Light
<5
Light
5-7
Lt/Med
7-9
Medium
9-15
Heavy
>15
RANDOM LEG
W50/L50
W60/L40
MOSTLY WW
MOSTLY LW
MOSTLY REACH
Spinnaker
PHRF Benchmark
Aligned Ratings are based on the Farr 40 MH as Scratch Boat.
PHRF Benchmark
Aligned Ratings are based on the Farr 40 MH as Scratch Boat.
PHRF Single Wind
RANDOM LEG
W50/L50
W60/L40
MOSTLY WW
MOSTLY LW
MOSTLY REACH
PHRF Single Wind
RANDOM LEG
W50/L50
W60/L40
MOSTLY WW
MOSTLY LW
MOSTLY REACH
Johnson 18 Template - 
Johnson 18   One Design
EZ Logo
ORA Logo
2026 EZ Certificate - EZ10891-OD
There is no declared Spinnaker for this boat.
Boat Class
Boat Type:
Johnson 18
Boat Variant:
MOD:
Crew
Aug Crew Arm:
0.00 ft
Crew Location :
All with Straps
Notes
Rig
BAS:
0.59 ft
SFJ:
0.00 ft
Csku_and_cert_idSku and Cert ID details
SKU:
h-21-2026-2717-11405-0-327
SKU Copied From:
h-21-2025-2717-11405-0-327
C_No_CopiedFrom:
EZ10891
TimeGenerated_CopiedFrom:
0000-00-00 00:00:00
: Search:
Label Definition Values
bcd Boat Data
OPTIONAL SAILSIf no flying sails are selected, then the certificate will have only Non-Spinnaker ratings.text
IThe height of the permanent headstay mast termination above the sheer line. Typically, IG = I.length
ORR CERTIFICATE NUMBERtext
BDYlength
EBlength
IGThe height of highest Genoa/Jib termination point above the sheer 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
WHISKER POLEIs a whisker pole set to windward (opposite the boom) used to sheet the headsail in a wing-and-wing configuration?text
LWLThe length of the hull at the waterline.length
ANCHOR DISTlength
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
ISPThe height of highest spinnaker termination point above the shear line.length
ISPAIf different from ISP, the height of asymmetric spinnaker halyard hoist point above the sheer line.length
ISPNThe height of highest narrow asym spinnaker halyard hoist point above the sheer line.length
MWlength
ILRHThe height of Large Roach Headsail termination point above the sheer line.length
SA/D AVERAGEnumber
BASYlength
DRAFTThe maximun depth of the boat (keel) below the waterline.length
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
SA/D UPWINDnumber
SA/Dnumber
JGTypically, JG = J. The horizontal distance from the forward face of the mast to the Jib/Genoa tack point.length
BASBoom Above Sheerlength
DRAFT SHOALThe shallowest Draft possible during sailing.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.● Sloop,
● Ketch,
● Yawl,
● Gaff,
● Cat Ketch,
● Cat,
● Cutter,
● Schooner,
● Other,
D/LENGTHBoat Metric for comparing designs and Speed. DLR = Displacement/(LWL)^3text
D/LENGTHBoat Metric for comparing designs and Speed. DLR = Displacement/(LWL)^3text
DISPLACEMENTThe total weight (displacement) of the boat. Enter either the manufacturers published data or, if the boat has been weighed, the actual measured weight.weight
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
EThe distance between the colored bands on the boom, or the maximum foot length of the Mainsail.length
FORESTAYChoose Masthead if the headstay terminates at the top of the mast. Choose Fractional if the headstay terminates anywhere below the top of the mast.● Masthead,
● Fractional,
OFFSETS_FILEtext
CREWThe aggregate weight of the crew in lightweight clothing used in the calculations of ratings. This is the Maximum Crew Weight and any excess shall automatically suspend the validity of the Certificate.weight
WATER BALLASTweight
CREW WEIGHT METHODDeclared or Default.text
EYThe distance between colored bands on the boom, or the maximum foot length of the Mizzen.length
HULL MATERIALThe primary hull material.● Light or Other,
● Fiberglass Cored,
● Cored Glass,
● Fiberglass,
● Fiberglass Solid,
● Solid Glass,
● Aluminum,
● Wood,
● Carbon FIber,
● Carbon,
● Other,
● Carbon Nomex,
● Carbon Heavy,
● Carbon Solid,
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
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
DECLARED CREW WEIGHTCrew Weight as declared by the applicant or in accordance with OD class rules.weight
DEFAULT CREW WEIGHTFinal Default Crew Weight is calculated by the VPP and will not precisely match the Estimated Crew Weight shown on the application.text
ESTIMATED CREW WEIGHTEstimated Crew Weight is based on Diplacement and LWL values. The final value will be calculated once the ORR-ez VPP is run.weight
KEEL TYPEThe type (style) of keel on the boat.● Fixed w/ Winglets,
● Fixed,
● Canting,
● Fin,
● Centerboard,
● Keel Centerboard,
● Fin with Bulb,
● Wing,
● Other,
PYThe distance between colored bands on the mizzen mast, or the maximum luff length of the Mizzen.length
KEEL MATERIALThe primary keel material(s).● Lead,
● Steel/Lead,
● Iron,
● Other,
PROP TYPEThe type (style) of propeller the boat uses; or to indicate the use of an Outboard motor.● Fixed,
● Folding,
● Feathering,
● Outboard,
● None,
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
PROP INSTALLThe type (style) and placement of mounting for the propeller. Note that Strut Drive is the proper choice for Sail Drives.● Exposed,
● In Aperture,
● Strut Drive,
● Other,
● Exposed Other,
● Exposed Twin,
● Housed Shaft,
● Pre 1987,
● Old Strut,
● Exp No Strut,
● No Prop,
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
TPSNIf different from TPS, the horizontal measurement from the forward face of the mast to the narrow asym spinnaker tack point.length
ANCHOR & RODE WEIGHTTotal weight of the Anchor, Chain and Rode.weight
PROP BLADESThe number of blades the propeller uses.● 2,
● 3,
● 4,
SFJDistance from the headstay deck termination, forward to the hull stem point. Typically positive or zero, but may be negative, for example a cutter rig with a bow platform.length
MDL1Ylength
OUTBOARD WEIGHTTotal weight of the Outboard motor, without fuel.weight
STAB INDEXdegree
HIKING STRAPS?Boat has hiking straps?text
MAST SIZESome boats (models) are supplied with different hight masts. Choose standard unless yours is known to be taller or shorter than standard.● Standard,
● Tall,
● Short,
MAST MATERIALThe material that the mast is made of.● Aluminum,
● Carbon,
● Wood,
TRAPEZE?Boat has trapeze(s)?text
SPINNAKERThe type of spinnaker(s) this boat flies. Include all types.● None,
● Asym only on centerline,
● Asymmetrical tacked centerline on bow, sprit or prod,
● Asym only on moveable pole,
● Asymmetrical only flown with spinnaker pole,
● Symm only on moveable pole,
● Symmetrical flown with spinnaker pole,
● Symm & Asym on moveable pole,
● Both Symmetrical & Asymmetrical flown with spin pole,
● Symm on pole & Asym on centerline,
● LRH only, no Spinnaker,
CODE ZEROAnswer Yes if you carry a spinnaker with a midgirth-to-foot measurement ratio of less than 85% but not less than 75%.● No,
● Yes,
GENOA/JIB LEECHNo Roach: No width measurements (LP only); Has Roach: Has width measurements (roach may be convex or concave).● No Roach - Leech is straight,
● Has Roach or Hollow,
LARGE ROACH HEADSAILAnswer Yes if you carry a headsail with a midgirth-to-foot measurement ratio of greater than 50% but less than 75%.● No,
● Yes,
MDL1length
MDL2Ylength
TACKWhere is the Asym Spin tacked? Centerline includes bow, fixed sprit or retractable sprit. Moveable Pole is a typical symmetric spinnaker pole. Articulating Sprit is a bowsprit that can pivot to windward.● Moveable Pole,
● Centerline,
● Articulating Sprit,
● --pick one--,
NARROW ASYM 75-85%AKA: Code 0 Spinnaker. Do you carry a narrow asym spinnaker with a SHW / SFL ratio between 75% and 85%?● No,
● Yes,
TACKWhere is the Narrow Asymmetric Spinnaker tacked?● Moveable Pole,
● Centerline,
● Articulating Sprit,
● --pick one--,
JIB FURLERDoes the genoa/jib (headsail) use a roller furling device?● Yes,
● No,
● Yes Above Deck,
● Yes Below Deck,
TLYlength
MAIN ROLLER FURLINGDoes the Main use a roller furling device?● No,
● Yes In Mast,
● Yes In Boom,
MDL2length
TLlength
OUTRIGGERIs an Outrigger or Whisker Pole set to leeward used to sheet the headsail outboard of the sheerline?number
BDlength
SPRIT PIVOTDistance from the articulating sprit pivot point to the sprit tip (TPS meas point).length
SPRIT ANGLE MAXMaximum articulating sprit angle relative to centerline.degree
calc Calculated
VPP AREA SYMMtext
VPP AREA GENOA/JIBtext
VPP AREA LRHtext
VPP AREA SYMMtext
VPP AREA NARRarea
VPP AREA SYMMtext
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
AREAThe total area (square feet/meters) of the largest Symmetrical Spinnaker.area
DISP SAILINGThe calculated displacement of the boat in sailing configuration, including equipment and crew.weight
AREAThe total area (square feet/meters) of the largest Mainsail.area
AREAThe total area (square feet/meters) of the Mizzen.area
WETTED AREAarea
LPSdegree
AREAThe total area (square feet/meters) of the largest Asymmetrical Spinnaker.area
AREAThe total area (square feet/meters) of the largest Asymmetrical Spinnaker.area
RM20force
AREAThe total area (square feet/meters) of the largest Headsail (Jib or Genoa).area
AREAThe total area (square feet/meters) of the largest Large Roach Headsail.area
jibs Jib Data
GENOA/JIB USEDtext
JIB LOCKEDtext
MFR. DATEdate
DESCThis field is for informational purposes only. You can use it to clarify which sail you are asking the sail maker to provide measurements for. NOTE for ORR-ez only, the information of your largest Headsail (genoa/jib) should be supplied.text
GENOA/JIB OBOSLETEtext
LPThe shortest distance from the clew of the Jib to the luff.length
LP SOURCElength
LPG %The width (LP) of the headsail expressed as a percentage of the J measurement.percentage
J LUFFThe 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
J LEECHlength
JHThe width of the Jib/Genoa head or headboard.length
JMGTThe shortest distance from the seven-eighths leech point of the Jib/Genoa perpendicular to the luff.length
JMGUThe shortest distance from the three-quarter leech point of the Jib/Genoa perpendicular to the luff.length
JMGMThe shortest distance from the half leech point of the Jib/Genoa perpendicular to the luff.length
JMGLThe shortest distance from the quarter leech point of the Jib/Genoa perpendicular to the luff.length
SAIL MAKER IDtext
main Mainsail Data
MAIN USEDtext
MAIN LOCKEDtext
MFR. DATEdate
DESCThis field is for informational purposes only. You can use it to clarify which sail you are asking the sail maker to provide measurements for. NOTE for ORR-ez only, the information of your largest Mainsail should be supplied.text
MAIN OBOSLETEtext
HBThe width of the Mainsail Headboard.length
MGTThe shortest distance from the seven-eighths-leech point of the Mainsail to the luff.length
MGUThe shortest distance from the three-quarter-leech point of the Mainsail to the luff. length
MGMThe shortest distance from the half-leech point of the Mainsail to the luff.length
MGLThe shortest distance from the quarter-leech point of the Mainsail to the luff.length
SAIL MAKER IDtext
asym Asym Data
SYMM USEDtext
ASYM LOCKEDtext
MFR. DATEdate
DESCThis field is for informational purposes only. You can use it to clarify which sail you are asking the sail maker to provide measurements for. NOTE for ORR-ez only, the information of your largest Asymmetrical Spinnaker should be supplied.text
SYMM OBOSLETEtext
ASLUThe Asymmetrical spinnaker luff length.length
ASLEThe Asymmetrical Spinnaker leech length.length
AMGThe measurement between the midpoints of the Asymmetrical Spinnaker luff and leech.length
ASFThe Asymmetrical Spinnaker foot length.length
SAIL MAKER IDtext
symm Spinnaker Data
SYMM USEDtext
SYM LOCKEDtext
MFR. DATEdate
DESCThis field is for informational purposes only. You can use it to clarify which sail you are asking the sail maker to provide measurements for. NOTE for ORR-ez only, the information of your largest Symmetrical Spinnaker should be supplied.text
SYMM OBOSLETEtext
SLThe longest length of a Symmetric Spinnaker luff and leech measured along the edges of the sail from head to foot.length
SMWThe Symmetrical Spinnaker measurement between the midpoints of the luff and leech.length
SFThe Symmetrical Spinnaker distance between the tack and clew, measured by the shortest path.length
SAIL MAKER IDtext
narr
NARR USEDtext
NARR LOCKEDtext
MFR. DATEdate
DESCThis field is for informational purposes only. You can use it to clarify which sail you are asking the sail maker to provide measurements for.text
NARR OBOSLETEtext
SLUThe Narrow Asymmetrical spinnaker luff length.length
SLEThe Narrow Asymmetrical Spinnaker leech length.length
SHWThe measurement between the midpoints of the Narrow Asymmetrical Spinnaker luff and leech.length
SFLThe Narrow Asymmetrical Spinnaker foot length.length
SAIL MAKER IDtext
mizz Mizzen Data
MIZZ IDnumber
MIZZ LOCKEDtext
MIZZ OBSOLETEtext
DESCThis field is for informational purposes only. You can use it to clarify which sail you are asking the sail maker to provide measurements for. NOTE for ORR-ez only, the information of your largest Mizzen should be supplied.text
HBYThe width of the Mizzen headboard.length
MGTYThe shortest distance from the seven-eighths-leech point of the Mizzen to the luff.length
MGUYThe shortest distance from the three-quarter-leech point of the Mizzen to the luff.length
MGMYThe shortest distance from the half-leech point of the Mizzen to the luff.length
MGLYThe shortest distance from the quarter-leech point of the Mizzen to the luff.length
lrhs Lg Roach Headsail Data
LRH LOCKEDtext
MFR. DATEdate
DESCThis field is for informational purposes only. You can use it to clarify which sail you are asking the sail maker to provide measurements for. NOTE for ORR-ez only, the information of your largest Large Roach Headsail should be supplied.text
LRH OBOSLETEtext
HBThe width of the Large Roach Headsail head or headboard.length
TWThe shortest distance from the seven-eighths-leech point of the Large Roach Headsail to the luff.length
UWThe shortest distance from the three-quarter-leech point of the Large Roach Headsail to the luff.length
MWThe shortest distance from the half-leech point of the Large Roach Headsail to the luff.length
LWThe shortest distance from the quarter-leech point of the Large Roach Headsail to the luff.length
FOOTThe length of the foot of the Large Roach Headsail.length
MGThe measurement between the midpoints of the Large Roach Headsail luff and leech.length
LPThe shortest distance from the clew of the Large Roach Headsail to the luff.length
LUFFThe 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
LEECHThe length of the leech of the Large Roach Headsail.length
SAIL MAKER IDtext
stay Mizzen Staysail
STAYSAILdate
STAY LOCKEDtext
Rating Types
Rating TypeDefinition
RANDOM LEGAll-purpose course type (equal distance on all points of sail; sailing in a circle)
W50/L50Windward-Leeward downwind finish course type (even number of legs; 50% each, VMG Beat & Run)
W60/L40Windward-Leeward upwind finish course type (odd number of legs; 60% VMG Beat, 40% VMG Run)
MOSTLY WWMostly Windward course type (80% VMG Beat, 15% 90° Reach, 5% VMG Run)
MOSTLY LWMostly Leeward course type (50% VMG Run, 40% 120° Reach, 10% VMG Beat)
MOSTLY REACHMostly Reaching course type (8% VMG Beat, 21% each 52°, 75°, 110° & 135° Reach, 8% VMG Run)
GPHGeneral Purpose Handicap: a blend of Random Leg ratings for 8 and 12 kts TWS.
IR#International Rating Number: a ratings blend designed to best approximate US PHRF
APH
So Cal OffshoreSoCal Offshore rating
So Cal Offshore OffwindSoCal Offshore Offwind rating
Wind Types
Wind TypeDefinition
SingleAll-purpose wind blend
V.LightStandard 5-Winds: Less Than 5 kts TWS Legacy 4-Winds: Less than 5 kts TWS
LightStandard 5-Winds: 5-7 kts TWS Legacy 4-Winds: 5-10 kts TWS
MediumStandard 5-Winds: 9-15 kts TWS Legacy 4-Winds: 10-15 kts TWS
HeavyStandard 5-Winds: >15 kts TWS Legacy 4-Winds: >15 kts TWS
Lt/MedStandard 5-Winds: 7-9 kts TWS Legacy 4-Winds: n/a
44 kts TWS
66 kts TWS
88 kts TWS
1010 kts TWS
1212 kts TWS
1414 kts TWS
1616 kts TWS
2020 kts TWS
2424 kts TWS
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Archived: May 30, 2026 21:36:49
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