ORC Superyacht Rule 2016

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World Leader in Rating Technology OFFSHORE RACING CONGRESS ORC Superyacht Rule 2016 v 1.02

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ORC Superyacht Rule 2016 - v1.0

Transcript of ORC Superyacht Rule 2016

Page 1: ORC Superyacht Rule 2016

World Leader in Rating Technology

OFFSHORE RACING CONGRESS

ORC Superyacht Rule

2016 – v 1.02

Page 2: ORC Superyacht Rule 2016

Copyright © 2016 Offshore Racing Congress.

Version 1.00 – 23.01.2016.

Version 1.01 – 24.02.2016.

Version 1.02 – 29.02.2016.

All rights reserved. Reproduction in whole or in part is

only with the permission of the Offshore Racing Congress.

Cover picture: 2015 Loro Piana Caribbean Superyacht Regatta & Rendezvous

by courtesy YCCS

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Part 1 - GENERAL

100 Rule Philosophy

The ORC Superyacht Rule uses the IMS (International Measurement System) and ORC VPP (Velocity

Prediction Program) modified to cover all the features and special characteristics of superyachts in

calculating the yacht’s predicted speed in different wind and sea conditions. With this information

ratings are calculated and used for corrected time calculations in scoring of races of yachts of different

sizes and characteristics.

Beside its scientific background, the main principle of the rule is transparency. Copies of certificates

are available at the ORCsy website and each owner or representative has the ability to check the effects

on their rating when changing any measurement value using the ORCsy ‘Sailor Services’.

101 Superyacht Definition

A superyacht is defined as a yacht with length overall (LOA) greater than 30.48 m (100 ft). However,

smaller yachts can also be measured and rated under this rule when a regatta organizer’s eligibility

criteria enables smaller yachts to compete in their superyacht fleet.

102 Authorities

The sole authority for the ORC Superyacht Rule is the Offshore Racing Congress and it shall be

maintained and administered at the ORC's discretion.

103 Administrative

103.1 The official language of the ORC Superyacht Rule is English and in case of dispute over translations

the English text shall prevail.

103.2 The word "shall" is mandatory and the words "may" and “can” are permissive.

103.3 Except where used in headings, when a term is printed in “bold” the definition in the Equipment Rules

of Sailing (ERS) applies and when a term is printed in “italics” the definition in the Racing Rules of

Sailing (RRS) applies.

103.4 When printed in "bold italics" the term is used as measurement taken or recorded by the measurer.

104 Rules Interpretations

The ORC Superyacht Class Technical Committee may at any time issue interpretations or corrections

of the ORC Superyacht Class Rule. Any such interpretation or correction shall be published and then

deemed final unless and until overruled by the ORC Management Committee and Congress.

Part 2 - MEASUREMENT

200 General

200.1 Yachts shall be measured in accordance with the International Measurement System (IMS) except

when modified by these rules. The following measurements with appropriate IMS rules are used for

the ORC Superyacht Rule.

Hull and appendages in the symmetry plane

OFF file B3

FFM Freeboard Forward Measured B5.3

FAM Freeboard Aft Measured B5.4

SG Water Specific Gravity B5.5

Propeller

Propeller Type D2

Propeller Installation D3

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Appendages not included in the OFF File

Centerboard C2

Twin Rudders C3

Bilgeboard C4

Trim tab C5

Dynamic Stability System C6

Stability

PLM Length of Manometer E2.3

GSA Gauge Surface Area E2.4

RSA Reservoir Surface Area E2.5

WD Weight Distance E2.7

W1-4 Inclining Weights E2.8

PD1-4 Pendulum Deflections E2.9

LIST Average List Angle E4.2

CANT Average Canting Angle E6.3

Rig

P Mainsail Hoist F2.1

IG Height of Headsail Hoist F3.1

ISP Height of Spinnaker Hoist F3.2

BAS Boom Above Sheerline F3.4

E Mainsail Foot F5.1

J Foretriangle Base F6.1

SPL Spinnaker Pole Length F7.1

TPS Tacking Point of Spinnaker F7.2

Mizzen Rig

PY Mainsail Hoist Mizzen F10.1

BASY Boom Above Sheerline Mizzen F10.1

EY Mainsail Foot Mizzen F10.1

BDY Boom Diameter Mizzen F10.1

IY Height of Mizzen Staysail Hoist F10.2

EB Distance Between Masts F10.3

Sails

MHB Mainsail Top Width G2.1

MUW Mainsail Upper Width G2.1

MTW Mainsail 3/4 Width G2.1

MHW Mainsail 1/2 Width G2.1

MQW Mainsail 1/4 Width G2.1

MHBY Mizzen Top Width G3

MUWY Mizzen Upper Width G3

MTWY Mizzen 3/4 Width G3

MHWY Mizzen 1/2 Width G3

MQWY Mizzen 1/4 Width G3

HHB Headsail Top Width G4.1

HUW Headsail Upper Width G4.1

HTW Headsail 3/4 Width G4.1

HHW Headsail 1/2 Width G4.1

HQW Headsail 1/4 Width G4.1

HLU Headsail Luff G4.1

HLP Headsail Perpendicular G4.1

SHW Symm. Spinnaker Mid Width G6.4

SFL Symm. Spinnaker Foot G6.4

SLU Symm. Spinnaker Luff G6.4

SLE Symm. Spinnaker Leech G6.4

SHW Asymm. Spinnaker Mid Width G6.5

SFL Asymm. Spinnaker Foot G6.5

SLU Asymm. Spinnaker Luff G6.5

SLE Asymm. Spinnaker Leech G6.5

200.2 Measurements shall be taken by actual measurement whenever possible. However, it may also be taken

from:

a) 3D Hull file provided by designer

b) Stability booklet

c) Sailmaker’s sail measurement declaration

d) Sail and deck plan provided by designer

e) Any other information, including photos, drawings, designs, technical data vertfied by the rating

office

201 Hull Measurements

201.1 Yachts shall be measured as close as feasable to being in actual sailing condition, starting from the

measurement trim as defined in the IMS Rule B4 and adding a detailed inventory list that shall include:

a) Racing gear

b) Crew

c) Sails

d) Liquids

e) Anchor & Chain

f) Items that can be removed while racing

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The inventory list (as shown on the Page 2 of ORCsy certificate) shall include the weight and the

longitudinal and vertical position of each item. Freeboard measurements shall be taken only if the

measured hull offset file is available.

201.2 If the centerboard is raised when sailing downwind, this shall be recorded as “YES”, and if not a “NO”.

201.3 For each non-manual powered sheeting and halyard winch, max. power in kW and max. speed in

meters/minute shall be recorded.

201.4 Frontal and lateral superstructures shall be recorded as the projected area taken above a line 600 mm

from the deck.

201.5 Frontal area of each dome shall be recorded.

201.6 Permanently open bow thruster tunnel diameter shall be recorded.

201.7 If a yacht is MCA (Maritime Coastguard Agency) certified, this shall be recorded as “YES”, and if

not, a “NO”.

202 Stability measurement

The boat’s stability shall be derived:

a) If there is measured hull offset file from the inclining test perfomed using the boom as an extension

arm as defined in the IMS Rule E2.2 with minimum of 1 degree heel to be reached

b) If there is no measured hull offset file, then from the data available in the stability booklet

203 Rig measurements

203.1 Rig measurements shall be taken according to the IMS Part F with additional measurements taken as

follows:

203.2 If there is a mainsail furler in the boom, this shall be recorded as “YES”, and if not a “NO”.

204 Sails measurements

204.1 Sails measurements shall be taken according to the IMS Part G with additional measurements as

follows:

204.2 If a headsails is set on the furler, this shall be recorded as “YES”, and if not a “NO”.

204.3 For each headsail, if it is furled more than 50% while tacking this this shall be recorded as “YES”,

and if not a “NO”.

204.4 Number of furled headsails (not deployed) when sailing upwind shall be recorded.

204.5 Number of headsails aboard while racing (excluding storm and heavy weather sails) shall be recorded.

204.6 Number of spinnakers aboard while racing shall be recorded.

204.7 If inner jib is unfurled when the largest jib is furled while tacking, this shall be recorded as “YES”,

and if not a “NO”.

204.8 For any unconventional sail not measured as a main, mizzen, mizzen staysail, headsail or spinnaker,

the area shall be recorded as calculated from the sail dimensions as definded by the ERS. The use of

such a sail shall be recorded as: upwind, downwind or both.

204.9 Use of a mizzen staysail shall be declared as one of three options: with headsail, with spinnaker or

with both headsail and spinnaker.

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Part 3 - RATING

300 Racing Trim

300.1 The ORCsy VPP (Velocity Prediction Program) is used to calculate ratings from a boat’s predicted

performance in various wind and sea state conditions. VPP calculations are made with the yacht in

racing trim, describing as close as possible to the actual condition in which yacht is sailing. The racing

trim is derived from the measurement trim and the detailed inventory list as defined in Rule 201.1.

300.2 If the hull offset file, freeboards and stability are completely measured this is marked with “M” on the

ORCsy certificate and displacement in the racing trim is calculated from the hull geometry and

measured freeboards and

a) deducting the weights that are declared not to be on board while racing and;

b) adding the weights that are declared to be on board while racing but were not on the boat during

the measurement.

300.3 If any of hull offset file, freeboards or stability are not measured measured this is marked with “D” on

the ORCsy certificate and displacement is calculated starting from the light ship trim from the stability

booklet and:

a) adding default weights for racing gear, crew, sails and declared values for liquids, anchors & chain.

The default evaluation of the weights to be added to the light ship displacement are underestimated

not to unduly favour boats not completely measured and

b) righting moment taken from the stability booklet is increased by 5%

300.4 If any of hull offset file, freeboards or stability are not measured and stability booklet is not available,

displacement and stability data can be taken from any other source and racing trim and righting

moment will be evaluated by the rating office where rating penalty may be applied to the uncertainty

of data provided. If new data becomes available certificate may be updated.

300.5 Tankage values shall be declared by the deadline established by the ORCsy Technical Committee

and/or Event Organizer. If not declared all tankage shall be taken as 10% full.

301 Use of Headsails

301.1 Headsails may be set on the forestay or set flying.

301.2 Headsails set flying may be tacked:

a) in front of the forestay, when

i) it shall be tacked approximately on the boat’s centerline

ii) it shall not be used when any spinnaker is set

b) between the forestay (included) and the forward mast, when

i) it shall have HLP <= 1.1*J

ii) it shall be tacked inside any spinnaker sheet

iii) it may be tacked out of the boat’s centerline

301.3 When more than one headsail are used at the same time, if they are trimmed flat along the centerline

of the boat, and the clew of the foremost-tacked headsail is forward of the clew of any other headsail

trimmed in the same way, the measurements of the largest headsails set on the forestay shall be taken

as follows:

a) HLP shall be the distance between the aftmost clew and the foremost headstay

b) HLU shall be the luff of the foremost headsail

The resulting area of the largest headsail set on the forestay will be reduced by 5% if there are 3 or

more headsails used at the same time.

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302 Observed Performance Factor (OPF)

302.1 The yacht’s rating may be adjusted by the Observed Performance Factor (OPF), which can be applied

by the ORC when:

a) there is evidence from the race tracking data and/or from observed performances and timings that

the yacht’s elapsed time is grossly different from that predicted based on the rating allowances

published on the certificate.

b) the data and measurement information from the handicap application form is insufficient to provide

a detailed assessment of the yacht’s speed potential or is submitted late.

OPF will not be applied in those cases where a yacht’s performance is clearly affected by tactical

mistakes or poor boat handling, as determined by GPS tracking and/or visual observations.

302.2 When the OPF is applied to a yacht that has a valid certificate, that certificate shall be withdrawn and

replaced with a new one that will adjust all time allowances based on the assigned OPF. If the OPF is

applied during a regatta, the races scored with the withdrawn certificate shall not be re-scored and the

new certificate, modified with the OPF, shall apply only to the races thereafter.

302.3 The decision to apply an OPF, or not, is at the sole discretion of the ORC and can not be grounds for

seeking redress. This changes RRS 62.1.

Part 4 - CERTIFICATES

400 Certificate Request

400.1 A request for an ORC Superyacht certificate shall be made by completing the on-line application form

at the ORCsy website. The application shall be submitted no later than 4 weeks prior to the first day

of registration of the event, unless otherwise stated in the regatta’s Notice of Race. The ORC may

extend this deadline at its sole discretion.

401 Certificate Issuing

401.1 Certificates shall be issued by the ORC Central Rating Office. A levy, as determined by the ORC,

shall be paid for all valid certificates issued.

401.2 The Rating Office shall have the authority to issue the certificate upon receipt of the measurement

data, but if anything that can be considered unusual or against the general interest of the ORC

Superyacht Rule is found, the Rating Office may withhold the certificate pending an examination of

the case and issue a certificate only after approval is obtained from the ORC.

401.3 The certificate shall be valid until the date printed on the certificate, which shall normally be the 31st

of December of the current year.

401.4 A yacht shall have only one valid certificate at any one time. The valid certificate shall be only the last

one issued.

401.5 The certificates, once issued, are considered public, and copies are available to all superyacht owners

or their representatives registered through the ORCsy Sailor Services website.

402 Owner’s Responsibility

402.1 The owner or his representative shall be responsible for:

a) Preparing the yacht for measurement in accordance with the ORCsy rule

b) Declaring any required data to the measurer and/or on the handicap application

c) Ensuring compliance of any measurement data to those printed on the certificate. Compliance with

the certificate shall be defined as follows:

i) All measured, declared or recorded values shall be as close as possible to those on the certificate.

Differences are allowed only if the values on the certificate give a less favorable rating.

ii) The sail area shall be smaller or equal to the respective one printed on the certificate.

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d) Using the yacht and equipment as prescribed by the RRS and ORC Superyacht Rule.

402.2 A certificate shall be automatically invalidated by a change of ownership. The new owner may request

a new certificate with a simple declaration that no changes have been made so a new certificate may

be issued without the need to submit a new handicap application or conduct any new measurement.

Conversely, the new owner has every right to have the boat re-measured.

402.3 Any change of the measurement data requires declaring all changes and/or a new measurement at

which time the ORC will issue a new certificate. Examples of changes include:

a) Changes of ballast in amount, location or configuration.

b) Change of tankage, fixed or portable, in size or location.

c) Any changes in the engine and/or propeller installation.

d) Any change to the size, cut or shape of the maximum area sails.

e) Changes to the shape of the yacht's hull and/or appendages

f) Changes to spars or standing rigging configuration

g) Any other change of the data listed in the handicap application and certificate that affects the

yacht’s rating.

403 Certificate Compliance

403.1 When, as a result of inspection, measurement check or a discovered error, it is determined that a yacht

does not comply with her certificate:

a) Prior to or between regattas, if the non-compliance is determined not to be the fault of the owner

or his/her representative, the certificate shall be withdrawn and replaced with a new certificate that

reflects any new measurement data.

b) If the non-compliance is discovered during a regatta, a new certificate will be issued, and all races

in the series going forward shall be scored using the new certificate rating values. Whether any or

all completed races scored using the old certificate are to be re-scored with the new certificate will

be at the sole discretion of the Race Committee.

c) If the the non-compliance is determined to be the fault of the owner or his/her representative, the

certificate shall be withdrawn and replaced with new certificate that reflects any new measurement

data, and the matter shall be refered to the Protest Committee. Nothing in this paragraph shall bar

action under the RRS concerning a yacht deliberately altered to not comply with her certificate and

shall not limit in any way acts of the Race Committee and Protest Committee against any individual

person involved.

Part 5 - SCORING

500 Ratings

500.1 The ORC Superyacht Rule provides rating time allowances expressed in s/NM for light, light-

moderate, moderate-strong and strong wind speeds in both flat water and rough water conditions. Time

allowances in s/NM are used for Time on Distance (ToD) scoring method while for Time on Time

(ToT) scoring, coefficients are calculated as ToT = 500 / ToD for each time allowance respectively.

500.2 Corrected times using Time on Distance scoring method are calculated as follows:

Corrected time = Elapsed time – (ToD * Distance)

500.3 Corrected times using Time on Time scoring method are calculated as follows:

Corrected time = ToT * Elapsed time

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500.4 Corrected time shall be displayed in days:hours:minutes:seconds. When calculating corrected time,

the boat's elapsed time shall be translated to seconds, calculations shall be made and results shall be

then rounded to the nearest second (for example: 12345.5 = 12346 seconds). This time in seconds shall

be then put back in days:hours:minutes:seconds format.

500.5 Wind ranges for the different rating coefficients are as follows:

Light 9 kts or less

Light - Moderate more than 9 kts and up to 13 kts

Moderate – Strong more than 13 kts and up to 17 kts

Strong more than 17 kts

A reference height for the wind speed is 10 meters above the sea level.

500.6 The sea state for the upwind portion(s) of the designated race course shall be decided by the Race

Committee as ‘flat’ or ‘rough’. Rough sea state would be waves approximately 1 – 1.5 meters or higher

(trough to crest).

500.7 Decisions regarding the scoring method, course length, wind range and sea state shall be made by the

Race Committee and shall not be ground for seeking redress. This changes RRS 62.1. The way of

communicating scoring method and selected wind range and sea state will be defined in the Sailing

Instructions. The Race Committee will use all resources at its disposal (forecasts, pre-race readings

from RC boats, trends etc.) before designating the wind range and sea state for scoring each race.

501 Starting Formats and Scoring Options

501.1 For safety reasons, most superyacht regattas have the yachts start individually with a minimum gap

between starts of 30 seconds. The starting sequence shall be published before the start of each race and

will depend on the ratings (based on the wind range and sea state), fleet size, course configuration and

other safety and fair racing considerations. There are two common starting formats:

a) Staggered Start: Yachts can start slowest rated to fastest or fastest rated to slowest. The Race

Committee determines the stagger between yachts (usually 1, 2, or 3 minute gaps). Elapsed time

for each yacht is calculated from the time of her starting signal to her finishing time. Results are

then determined based on corrected times calculated either by the Time on Distance or Time on

Time scoring method, as decided by the Race Committee and published in the Sailing Instructions.

b) Pursuit Start: The slowest rated yacht starts first. The starting time for each yacht is calculated

from the appropriate Time on Distance (ToD) rating and course length. Starting times may be

adjusted to be rounded to the nearest 5-second increment (05, 10, 15 etc.) and in some instances

further adjusted to maintain the mandated 30 seconds safety gap between starters. Additionally, the

starting sequence may be adjusted to accommodate the gapping of class finish times for safety

reasons (usually 10 minutes between class finishes). Class results are then determined by the

yacht’s actual finishing time with the first boat in class to cross the finishing line winning.

i) Shortened course

If the course is shortened, elapsed time for each yacht is calculated from the time of her starting

signal to her finishing time. Results are then determined based on corrected times calculated

either by the Time on Distance or Time on Time scoring method, as decided by the Race

Committee and published in the Sailing Instructions.

ii) Fleet scoring

When scoring fleet results for a multi class regatta with gapped class finish times, arrival times

of each class, included in the multi class scoring, are adjusted by the ideal gap finishing time

fixed in the starting sequence.

Selection of the starting format and scoring options by the Race Committee shall not be grounds for

seeking redress. This changes RRS 62.1.

502 Re-scoring

502.1 Once race results are published, re-scoring of the race can be made only if any yacht’s certificate is re-

issued in accordance with the rule 403.

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502.2 Re-scoring shall be done as follows:

a) Staggered Starts: New ToD or ToT scoring coefficients shall be applied for re-calculations of

corrected times.

b) Pursuit Starts: Finishing times for the yachts for which rating is corrected shall be adjusted using

the following formula:

New finishing time = Old finishing time + (ToDold – ToDnew) * course length

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ORC SUPERYACHT CERTIFICATE SAMPLE

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