2024 ORR-Ez Certificates - Terms & Definitions

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Click on a Cert Label to view detailed Description.

Cert LabelShort DescriptionDefinitionType
Asym Data
ACTIVEACTIVE length
SYMM USEDINDICATES WHICH SYMMETRICAL SPINNAKER IS USED BY THE VPP text
ASYM LOCKEDINDICATES WHICH ASYMMETRICAL SPINNAKER IS USED BY THE VPP text
MFR. DATESYMM MFG DATE date
DESCASYM SPIN DESCRIPTION This 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SYMM OBOSLETEINDICATES IF THE SYMMETRICAL SPINNAKER IS OBSOLETE text
ASLUASYM SPIN LUFF The Asymmetrical spinnaker luff length.length
ASLEASYM SPIN LEECH The Asymmetrical Spinnaker leech length.length
AMGASYM SPIN MIDGIRTH The measurement between the midpoints of the Asymmetrical Spinnaker luff and leech.length
AWAMAXAPPARENT WIND ANGLE degree
ASFASYM SPIN FOOT The Asymmetrical Spinnaker foot length.length
AWAMINAPPARENT WIND ANGLE degree
AWSMIAXAPPARENT WIND SPEED
AWSMINAPPARENT WIND SPEED
SAIL MAKER IDSYMM SAIL ID EG SERIAL NUMBER text
Boat Data
ORR CERTIFICATE NUMBERORR CERTIFICATE NUMBER text
BDY length
EB length
IGI GENOA The height of highest Genoa/Jib termination point above the sheer line.length
IYI MIZZEN length
LOALENGTH OVERALL The 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
MDT1Y length
LWLLENGTH WATERLINE The length of the hull at the waterline.length
ANCHOR DISTANCHOR DIST length
BALY length
BEAM MAXMAXIMUM BEAM The maximum width (beam) of the boat measured at deck level at the widest point between the port and starboard sides.length
SA/D DNWINDDOWNWIND SAIL AREA/DISPLACEMENT A sailboat metric for express a Power to Drag ratio. Downwind SA/D = Downwind Sail Area/(displacement)^.667number
ISPI SPINNAKER The height of highest spinnaker termination point above the shear line.length
MW length
ILRHI LARGE ROACH HEADSAIL The height of Large Roach Headsail termination point above the sheer line.length
SA/D AVERAGEUPWIND SA/D number
BASY length
DRAFTDRAFT The maximun depth of the boat (keel) below the waterline.length
JJ The distance between the front of the mast and the headstay termination on the deck at the sheer line.length
JLRHJ LARGE ROACH HEADSAIL The distance between the front of the mast and the Large Roach Headsail tack point at the sheer line.length
MDT2Y length
SA/D UPWINDUPWIND SA/D number
SA/DSA/D number
BASB Boom Above Sheerlength
DRAFT SHOALDRAFT SHOAL The shallowest Draft possible during sailing.length
PP The distance between colored bands on the mast, or the maximum luff length of the Mainsail.length
RIG TYPERIG TYPE The type (style) of rig the boat uses.Pulldown
D/LENGTHDISPLACEMENT/LENGTH Boat Metric for comparing designs and Speed. DLR = Displacement/(LWL)^3text
D/LENGTHDISPLACEMENT/LENGTH Boat Metric for comparing designs and Speed. DLR = Displacement/(LWL)^3text
DISPLACEMENTDISPLACEMENT The 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 EMPTYDISPLACEMENT MEASURED The 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
EE The distance between the colored bands on the boom, or the maximum foot length of the Mainsail.length
FORESTAYMAST TYPE Choose Masthead if the headstay terminates at the top of the mast. Choose Fractional if the headstay terminates anywhere below the top of the mast.Pulldown
OFFSETS_FILEOFFSETS_FILE text
CREWRATED CREW WEIGHT The 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 BALLASTWATER BALLAST weight
CREW WEIGHT METHODCREW WEIGHT METHOD Declared or Default.text
EYE MIZZEN The distance between colored bands on the boom, or the maximum foot length of the Mizzen.length
HULL MATERIALHULL MATERIAL The primary hull material.Pulldown
AVE PERF SCREENAVG PERF SCREEN Average 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 SCREENAVG PERF SCREEN Average 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 DECLARED Crew Weight as declared by the applicant or in accordance with OD class rules.weight
DEFAULT CREW WEIGHTCREW WEIGHT DEFAULT Final 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 Estimated Crew Weight is based on Diplacement and LWL values. The final value will be calculated once the ORR-ez VPP is run.weight
KEEL TYPEKEEP TYPE The type (style) of keel on the boat.Pulldown
PYP MIZZEN The distance between colored bands on the mizzen mast, or the maximum luff length of the Mizzen.length
DNWIND PERF SCREENDOWNWIND PERF SCREEN DownWind 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
KEEL MATERIALKEEL MATERIAL The primary keel material(s).Pulldown
PROP TYPEPROPELLER TYPE The type (style) of propeller the boat uses; or to indicate the use of an Outboard motor.Pulldown
SPLSPINNAKER POLE LENGTH The 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 INSTALLPROPELLER INSTALL The type (style) and placement of mounting for the propeller. Note that Strut Drive is the proper choice for Sail Drives.Pulldown
TPSTACK POINT SPRIT The 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
ANCHOR & RODE WEIGHTANCHOR Total weight of the Anchor, Chain and Rode.weight
PROP BLADESPROPELLER BLADES The number of blades the propeller uses.Pulldown
MDL1Y length
OUTBOARD WEIGHTOUTBOARD Total weight of the Outboard motor, without fuel.weight
STAB INDEXSTAB INDEX degree
HIKING STRAPS? Boat has hiking straps?text
MAST SIZEMAST SIZE Some boats (models) are supplied with different hight masts. Choose standard unless yours is known to be taller or shorter than standard.Pulldown
MAST MATERIALMAST MATERIAL The material that the mast is made of.Pulldown
TRAPEZE? Boat has trapeze(s)?text
SPINNAKERSPINNAKER TYPE The type of spinnaker(s) this boat flies. Include all types.Pulldown
CODE ZEROCODE ZERO Answer Yes if you carry a spinnaker with a midgirth-to-foot measurement ratio of less than 85% but not less than 75%.text
GENOA/JIB LEECHGENOA/JIB LEECH No Roach: No width measurements (LP only); Has Roach: Has width measurements (roach may be convex or concave).Pulldown
LARGE ROACH HEADSAILLARGE ROACH HEADSAIL Answer Yes if you carry a headsail with a midgirth-to-foot measurement ratio of greater than 50% but less than 75%.Pulldown
MDL1 length
MDL2Y length
JIB FURLERJIB ROLLER FURLING Does the genoa/jib (headsail) use a roller furling device?Pulldown
TLY length
MAIN ROLLER FURLINGMAIN ROLLER FURLING Does the Main use a roller furling device?Pulldown
MDL2 length
WHISKER POLE number
TL length
BDBD length
Calculated
VPP AREA SYMMVPP AREA SYMMETRICAL SPINNAKER. text
VPP AREA GENOA/JIBVPP AREA GENOA/JIBETRICAL SPINNAKER. text
VPP AREA LRHVPP AREA LRHETRICAL . text
VPP AREA SYMMVPP AREA SYMMETRICAL SPINNAKER. text
VPP AREA SYMMVPP AREA SYMMETRICAL SPINNAKER. text
RATED LENGTHRATED LENGTH The 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
AREA STAYSAILAREA STAYSAIL date
AREASYMM SPIN AREA The total area (square feet/meters) of the largest Symmetrical Spinnaker.area
VPP AREA STAYSAILAREA STAYSAIL date
DISP SAILINGDISPLACEMENT SAILING The calculated displacement of the boat in sailing configuration, including equipment and crew.weight
AREAMAINSAIL AREA The total area (square feet/meters) of the largest Mainsail.area
AREAMIZZEN AREA The total area (square feet/meters) of the Mizzen.area
VPP AREAVPP MIZZEN AREA The VPP rated area of the Mizzenarea
VCGD length
WETTED AREAWETTED AREA area
LPSLIMIT POSITIVE STABILITY degree
AREAASYM SPIN AREA The total area (square feet/meters) of the largest Asymmetrical Spinnaker.area
RM20RM20 force
AREAJIB AREA The total area (square feet/meters) of the largest Headsail (Jib or Genoa).area
AREALRH AREA The total area (square feet/meters) of the largest Large Roach Headsail.area
Misc Data
AUTORUN STATUSAUTORUN STATUS text
CERTIFICATE #CERTIFCATE NUMBER text
CONFIGURATIONCONFIGURATION Configuration 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
VALID YEARVALID YEAR text
ISSUE DATEISSUE DATE text
EXP.DATEISSUE DATE text
COMMENTCOMMENTS FROM THE RATER text
NOTES text
Hull Data
BOW SHEER X number
Jib Data
ACTIVEACTIVE length
GENOA/JIB USEDINDICATES WHICH GENOA/JIB SPINNAKER IS USED BY THE VPP text
JIB LOCKEDINDICATES WHICH JIB/GENOA IS USED BY THE VPP text
MFR. DATEGENOA/JIB MFG DATE date
DESCGENOA DESCRIPTION This 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 OBOSLETEINDICATES IF THE GENOA/JIB SPINNAKER IS OBSOLETE text
LPLP The shortest distance from the clew of the Jib to the luff.length
LP SOURCELP SOURCE length
LPG %LPG % The width (LP) of the headsail expressed as a percentage of the J measurement.percentage
J LUFFJIB/GENOA LUFF The 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 LEECHJIB/GENOA LEECH length
JHJIB HEAD length
JMGTJIB MID GIRTH TOP length
JMGUJIB MID GIRTH UPPER length
JMGMJIB MID GIRTH MIDDLE length
JMGLJIB MID GIRTH LOWER length
AWAMAXAPPARENT WIND ANGLE degree
SAIL MAKER IDGENOA/JIB SAIL ID EG SERIAL NUMBER text
AWAMINAPPARENT WIND ANGLE degree
AWSMAXAPPARENT WIND SPEED
AWSMINAPPARENT WIND SPEED
Lg Roach Headsail Data
ACTIVEACTIVE length
LRH LOCKEDINDICATES WHICH LRH/GENOA IS USED BY THE VPP text
MFR. DATELRH MFG DATE date
DESCLRH DESCRIPTION This 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 OBOSLETEINDICATES IF THE LRH IS OBSOLETE text
HBLRH HEADBOARD WIDTH The width of the Large Roach Headsail head or headboard.length
TWLRH TOP WIDTH The shortest distance from the seven-eighths-leech point of the Large Roach Headsail to the luff.length
UWLRH UPPER WIDTH The shortest distance from the three-quarter-leech point of the Large Roach Headsail to the luff.length
MWLRH MIDDLE WIDTH The shortest distance from the half-leech point of the Large Roach Headsail to the luff.length
LWLRH LOWER WIDTH The shortest distance from the quarter-leech point of the Large Roach Headsail to the luff.length
FOOTLRH FOOT The length of the foot of the Large Roach Headsail.length
MGLRH MIDGIRTH The measurement between the midpoints of the Large Roach Headsail luff and leech.length
LPLRH LP The shortest distance from the clew of the Large Roach Headsail to the luff.length
LUFFLRH LUFF The 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
LEECHLRH LEECH The length of the leech of the Large Roach Headsail.length
SAIL MAKER IDLRH SAIL ID EG SERIAL NUMBER text
Mainsail Data
ACTIVEACTIVE length
MAIN USEDINDICATES WHICH MAINSAIL IS USED BY THE VPP text
MAIN LOCKEDINDICATES WHICH MAINSAIL IS USED BY THE VPP text
MFR. DATESYMM MFG DATE date
DESCMAINSAIL DESCRIPTION This 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 OBOSLETEINDICATES IF THE SYMMETRICAL SPINNAKER IS OBSOLETE text
HBHEAD BOARD The width of the Mainsail Headboard.length
MGTMAINSAIL GIRTH TOP The shortest distance from the seven-eighths-leech point of the Mainsail to the luff.length
MGUMAINSAIL GIRTH UPPER The shortest distance from the three-quarter-leech point of the Mainsail to the luff. length
MGMMAINSAIL GIRTH MIDDLE The shortest distance from the half-leech point of the Mainsail to the luff.length
MGLMAINSAIL GIRTH LOWER The shortest distance from the quarter-leech point of the Mainsail to the luff.length
MSWMAINSAIL WEIGHT weight
SAIL MAKER IDSYMM SAIL ID EG SERIAL NUMBER text
Mizzen Data
ACTIVEACTIVE length
MIZZ ID number
MIZZ LOCKEDINDICATES WHICH MIZZEN IS USED BY THE VPP text
MIZZ OBSOLETEINDICATES WHICH MIZZEN IS NOT USED. text
DESCMIZZEN DESCRIPTION This 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
HBYMIZZEN HEAD BOARD The width of the Mizzen headboard.length
MGTYMIZZEN GIRTH TOP The shortest distance from the seven-eighths-leech point of the Mizzen to the luff.length
MGUYMIZZEN GIRTH UPPER The shortest distance from the three-quarter-leech point of the Mizzen to the luff.length
MGMYMIZZEN GIRTH MIDDLE The shortest distance from the half-leech point of the Mizzen to the luff.length
MGLYMIZZEN GIRTH LOWER The shortest distance from the quarter-leech point of the Mizzen to the luff.length
SAIL MAKER IDSYMM SAILMAKER ID text
DATE MFD.SYMM DATE MFG This 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.date
Mizzen Staysail
ACTIVEACTIVE length
STAY LOCKEDINDICATES WHICH MIZZZEN STAYSAIL IS USED BY THE VPP text
YSDSTAYSAIL DEPTH length
YSMGSTAYSAIL MID GIRTH length
YSFSTAYSAIL FOOT length
STAYSAILAREA STAYSAIL date
SAIL MAKER IDMAINSAIL SAILMAKER ID text
DATE MFD.MAINSAIL DEATE MFG This 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.date
STAYIDAREA STAYSAIL date
Spinnaker Data
ACTIVEACTIVE length
SYMM USEDINDICATES WHICH SYMMETRICAL SPINNAKER IS USED BY THE VPP text
SYM LOCKEDINDICATES WHICH SYMMETRICAL SPINNAKER IS USED BY THE VPP text
MFR. DATESYMM MFG DATE date
DESCSYMM SPIN DESCRIPTION This 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 OBOSLETEINDICATES IF THE SYMMETRICAL SPINNAKER IS OBSOLETE text
SLSYMM SPIN LENGTH The longest length of a Symmetric Spinnaker luff and leech measured along the edges of the sail from head to foot.length
SMWSYMM SPIN MIDGIRTH The Symmetrical Spinnaker measurement between the midpoints of the luff and leech.length
SFSYMM SPIN FOOT The Symmetrical Spinnaker distance between the tack and clew, measured by the shortest path.length
AWAMAXAPPARENT WIND ANGLE degree
AWAMINAPPARENT WIND ANGLE degree
AWSMAXAPPARENT WIND SPEED
AWSMINAPPARENT WIND SPEED
SAIL MAKER IDSYMM SAIL ID EG SERIAL NUMBER text

Click on a Rating Type to view the details.

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
Bayview MAC ShoreBayview MAC Shore course rating
So Cal OffshoreSoCal Offshore rating
So Cal Offshore OffwindSoCal Offshore Offwind rating

Click on a Wind Type to view details.

Wind Types
Wind TypeDefinition
SingleAll-purpose wind blend
V.LightStandard 5-Winds:
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
1616 kts TWS
2020 kts TWS
2424 kts TWS

Click on a Cert Type to view details.

Cert Types
Cert TypeDescription
Trial Certificate Fully Measured ORR
One Design Certificate
Renewal Changes
Renewal Certificate
New Certificate
Trial Certificate
Renewal Certificate Hull,Prop,AppendagesHPA (Hull, Prop & Appendage) changes incur additional cost.
Experimental Certificate
Mid Season Changes
Mid Season Revision Hull,Prop,Appendages
Scratch Boat Certificate ORR-Ez
ORR CERT Holder ORR-Ez
2nd Cert TypeThis is a 2nd Cert Type in the year
Addl New Certificate ORR-Ez
Upgrade Cert ORA-AR to ORR-Ez
Trial Certificate Hull,Prop,AppendagesHPA(Hull, Propeller, Appendages) change(s) incur additional cost.

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