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1. GENERAL Rule modifications and clarifications effective 1st January 2008 are printed in red.
The purpose of these rules is to enable attempts to be made on Sailing Speed Records in any part of the world under comparable conditions. They do not form the conditions of any prize or trophy, nor are they sailing instructions.
Sailing Speed Records can only be established under the jurisdiction of the ISAF/WSSR Council, who shall appoint ISAF/WSSRC Commissioners to monitor all record attempts. Only Commissioners directly appointed by the Council shall have this authority. (See Rules 12 and 13.) Prior to any record attempt taking place the measurement of the course and timing methods must receive WSSRC approval. (See rule3)
The official language of the ISAF/WSSR Council and its Rules is English.
The record in each class shall stand until it has been exceeded by the appropriate margin. Every request to ratify a record shall be considered in time and date order. The time used for this purpose will be Universal Time Coordinated - UTC. The time the competing craft enters the course will be considered to be the time of the run.
The ISAF/WSSRC cannot accept any responsibility for personal injury or loss of life, damage to or loss of property arising from any record attempt made under its rules whether supervised by its officials or not. It is the sole and inescapable responsibility of the skipper of a craft engaged in any such record attempt to decide whether to start and, having done so, to continue the attempt.
2. RECORDS
The Outright World Sailing Speed Record will be held anywhere in the world by the skipper who establishes the fastest speed which is ratified in accordance with these Rules.
In addition, records can be established in the following sail area divisions:
10 Sq. m. Class (up to and including 10 sq.m)
A Class (from 10 sq.m up to and inc. 150 sq.ft [13.93 sq.m])
B Class (from 150 sq.ft up to and inc. 235 sq.ft [21.84 sq.m])
C Class (from 235 sq.ft up to and inc. 300 sq.ft [27.88 sq.m])
D Class (over 300 sq.ft)
and a division for Sailboard with kite sails [no area divisions]
Women's records will be recognized in all classes.
All World Records to be expressed in knots, kph and mph.
Application may be made to the WSSR Council for the ratification of National Sailing Speed Records.
3. THE COURSE
The record shall be established over a minimum of half a kilometre on water (not ice).
The course may be defined by posts and transits ashore (Transits shall not converge), or by WSSRC approved GPS survey equipment.
Record claims will not be ratified when, in the opinion of the WSSR Commissioner, the minimum water depth over the whole course is below 50 cms
When a new venue on which no previous record attempts have taken place is proposed, application for approval must be made to the WSSRC 2 months in advance. The suitability of such a course for WSSRC approval will take into account its accessibility and the availability of a WSSRC Commissioner.
4. TIMING
A timed run is measured from the difference in the times recorded to 1/100th second at the crossing of the starting and finishing lines or by WSSRC approved GPS points.
Where the timing positions are land based, videoing, which includes an independent time display of the transits, or GPS approved survey equipment, shall be used. Requests for attempts must include full details of the timing system proposed.
In order to facilitate recognition, craft must carry clear and visible sail numbers, to the satisfaction of the timing staff and the Commissioner on duty.
The following applies when using GPS survey equipment:
1. Receiver logging rates shall be set at 10 Hertz, which results in a GPS position every 1/10th of a second
2. Record claims that include a horizontal position estimate (hpe) of greater than 0.10M (one sigma) shall not be accepted.
3. The nominated start and finish points shall be at least 500M plus the average of their two respective horizontal position estimates apart.
4. Distance and time may be interpolated between the two measured positions bracketing the 500M (plus the average hpe used in para 3 above) finishing point. The results are added to those from starting point to the first measurement point bracketing the finish point.
5. CALCULATION OF SPEED
Time shall be recorded to the nearest one hundredth of a second. The speed shall be calculated to the nearest hundredth of a knot with allowance made for the resolved component of any tidal stream and/or current on the course. A venue is not suitable for record breaking if the current is more than one knot. The stream or current shall be measured by float tests, Doppler or other means as appropriate and the results supplied to the Official Commissioner (see Rule 14).
6. MARGINS
In order to establish a new record the new elapsed time (corrected to 500 metres precisely) must improve on the existing record by a margin as follows:
a. On a course using land based transits and videorecorded timing:
Between records claimed on the same course and when the timing positions have not been moved and on equipment recording to 1/100th second, the margin is 1/50th second.
b. Between records claimed on different courses or when the timing positions have been changed, the margin is to be 1/25th second.
c. Where WSSRC approved GPS survey equipment is used, the margin is 1/100th second.
7. MANUAL POWER
A yacht shall use human power only apart from battery power for instrumentation. There is no objection to various methods of power transmission such as hydraulic, provided there is no element of power storage beyond that associated with materials in their conventional sailing application. The Commissioner should, following a record run, ensure that no means of power or stored energy has been used.
8. MEASUREMENT
In the sail area divisions, all record claimants must, immediately following a record attempt, have their sail(s) measured by a qualified Measurer in accordance with the appropriate ISAF sail area measurement instructions. The provision of a qualified measurer is the responsibility of the organizer.
9. MEANS OF PROPULSION
A yacht shall sail by using only the wind and water to increase, maintain or decrease her speed
10. CREW
At least one person shall be on board from the start to the finish of the attempt.
All competitors shall be positively buoyant during an attempt. Weight vests and weight harnesses with a specific density greater than the water sailed on are prohibited.
11. CATEGORIES OF SPEED SAILING EVENTS
a. A Private Event is one where the competitors are limited to those invited by the organiser
b Other events shall be defined as Open Events.
c. When an Open Event has been approved by the ISAF/WSSRC Council:
i. No other simultaneous Open Event shall be permitted in the same class(es) in the same Continent.
ii. No other simultaneous Private Event shall be permitted in the same class(es) in the same country, unless such Private Event(s) were booked prior to the Open Event.
12. NOTICE OF INTENTION TO MAKE A RECORD ATTEMPT
OPEN EVENTS
At least one month's notice must be given to the WSSRC of any open event at which official World or National records, or personal achievements, are to be attempted and submitted for ratification. The notice, giving precise dates, and stating the type of timing equipment to be used, must be accompanied by the appropriate registration fee, currently at the rate of GBP 200 per day, or GBP 1200 for seven consecutive days. An Open Event will not normally be approved for a period longer than ten days. Approval of any Open Event is subject to the availability of a WSSR Commissioner
PRIVATE EVENTS
At least one month's notice for a Private Event, accompanied by a registration fee of GBP 1500, must be given to the WSSRC. Approval of any Private Event is subject to the availability of a WSSR Commissioner. The organiser may nominate a period of 28 days during which attempts may be made. Unless there are special tidal conditions, this shall consist of 28 consecutive days. Where a WSSR Commissioner is resident close to the proposed event, the organiser is entitled to his services for 7 days (arranged by the organiser, who may ask the Commissioner to be "on call" at short notice at the convenience of the Commissioner when suitable wind conditions are forecast) within that 28-day period. Records may only be claimed when the Commissioner is present. Should the Commissioner be required for any other days within the 28 day period, a daily fee of GBP 200 is payable to the WSSRC. Where there is no resident Commissioner, the fee is GBP 3000, plus travel and accommodation for the official.
New courses where no previous WSSRC supervised record attempts have been staged shall follow the existing rules for an open event.
13. COMMISSIONER
The WSSRC, on approval of the attempt conditions and on receipt of the appropriate fee, will appoint an independent Official Commissioner for the event. His travel and other appropriate expenses shall be met by the organizers of the event. He shall report back to the Council as soon as possible.
14. RATIFICATION OF RECORDS
When the WSSRC Commissioner is in agreement with the event organizer and event timekeeper that a record appears to have been broken, it may be formally announced immediately as a "World Sailing Speed Record Claim". It then goes forward to the Council for ratification as soon as possible. There is no fee. Pending the official ratification of a record by WSSRC the skipper, builder, designer, sponsors, or any other interested parties shall not cause a record to be published or circulated without the words "subject to official ratification by the ISAF/World Sailing Speed Record Council". Any breaches of this condition may lead to suspension of those concerned.
The following documents are to be submitted to WSSRC:
a. Report of the Official Commissioner which shall verify the identity of the yacht and helmsman. He shall also give details of any tidal streams or currents and an indication of the wind speed and he shall ascertain that no means of power or stored energy have been used. (See Rules 5, 6, 7 and 9.)
b. Certificate of accuracy of timing equipment, published by an official timekeeping body.
c. A detailed plan of the course and its certified measurements from a qualified surveyor.
d. Timekeepers report and calculations.
e. List of the names of the timekeepers and course observers.
f. Sail Measurer's report with Commissioner's confirmation. (See Rule 8.)
g. For record claims using GPS, the following additional documents and information are to be submitted to WSSRC. Paragraph 14 b,c,d and e may be disregarded.
1. A qualified surveyor's report that identifies a distance accuracy assessment of each GPS unit shall be provided by the organiser who shall have a qualified surveyor perform such tests using a properly calibrated Theodolite Survey Instrument over a 500 metre distance. The accuracy of each unit must be better than 0.05 metre.
2. A software "authenticity certificate" shall be provided by the organiser. This should identify the Geomatics Office version number, the serial number of the software and the name of the licensed agent who performed the installation.
Refer to the appropriate appendix for the further documents required. All documents must be provided by the organizers to the Commissioner.
15 INTERPRETATION
In the case of a dispute over any of these rules, the decision of ISAF/WSSRC shall be final.
Appendix - The Trimble GPS survey system is WSSRC approved.
Additional documentation required:
1. The original *t01 files for the record run from each receiver.
2. The csv files for the record run including 5 seconds before the start and 5 seconds after the finish points
3. The Speedsail velocity display vl.0.2 or later improved version. (To be used to support and demonstrate the calculations only)
(Note. Some of the reports requested above may be proprietary and unavailable to new record challengers. In that case, equal or similar reports may be considered for approval by the WSSRC)
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