Thistle Nationals SI Amendment 6.1 will be amended to read 6.1 National Championship Race Series Monday, July 17 0800 hrs Qualifying Races 1 & 2 Tuesday, July 18 0800 hrs Qualifying Race 3 Wednesday, July 19 0800 hrs Championship Race 4 & 5 President Races 1 & 2 Thursday, July 20 0800 hrs Championship Race 4 & 6 President Race 1 & 3 Friday, July 21 0800 hrs Championship Race 7 President Race 4

Race 1 o the day - 3956 scored NSC Race 2 of the day Championship series - 4047 scored UFD

SI Amendment #3 has been posted. This amendment can be found in the Event Documentations section as well as a copy on the unofficial notice board at FLYC. The amendment clarifies the results for UFD and BFD such that they are the same as DSQ.

Race 4 - Bow 22 - OCS

THISTLE CLASS ASSOCIATION 2023 NATIONAL CHAMPIONSHIPS North Flathead Yacht Club Somers, MT July 14 – 21, 2023 Q&A to the jury: Question: Is it required to notify the finish boat of an intent to protest? Answer: It is not required by the Racing Rules of Sailing nor the Sailing Instructions. It is a courtesy hail to inform the jury of an intent to protest.

THISTLE CLASS ASSOCIATION 2023 NATIONAL CHAMPIONSHIPS North Flathead Yacht Club Somers, MT July 14 – 21, 2023 Sailing Instructions - Amendment #2 15 THE FINISH 15.1 The finishing line shall be between a staff displaying a blue flag on the finish boat and the course side of the red inflatable ball or an anchored vessel displaying a staff with a blue flag as described in SI 10.6. 15.2 Boats shall not sail through the finish line unless they are finishing or attempting to finish. A boat that fails to observe this restriction may exonerate herself by taking a Two-Turns Penalty as described in RRS 44.2. This changes RRS 44.1 but does not change RRS 44.1 (b). A boat that fails to exonerate herself will be scored Did not sail the course (NSC) without a hearing. This changes RRS 63.1 and A5. 15.3, The finish line will not exist until the blue flag described in SI 10.6 is displayed.

Thistle Nationals SI Amendment 3.3 will be amended to read 3.3 Radio communications between boats and the Race Committee will be on VHF 68 for the qualifying races. During the Champions and President fleet races VHF Channel 68 for the Champions fleet and VHF channel 69 will be used for the President fleet

THISTLE CLASS ASSOCIATION 2023 NATIONAL CHAMPIONSHIPS North Flathead Yacht Club Somers, MT July 14 – 21, 2023 Sailing Instructions - Amendment #1 11 RACING FORMAT 11.1 Practice Race – all boats participating will be split into two fleets based on sail number with the odd numbered boats starting first and the even numbered boats starting second. 11.2 Qualifying Races (Races 1 – 3) – The fleet will be split into four (4) groups as per TCA Bylaw Article XIII, Section 11. Competitors shall fly a colored ribbon identifying their group from the mainsail clew: A (green), B (yellow), C (blue), and D (red). Two groups will start in the first start (Division 1) of each race; the other two groups (Division 2) will start in the second start: Race Division 1 Division 2 1 Group A (green) & Group B (yellow) Group C (blue) & Group D (red) 2 Group A (green) & Group C (blue) Group B (yellow) & Group D (red) 3 Group B (yellow) & Group C (blue) Group A (green) & Group D (red) Group assignments by boat will be posted on the official notice board no later than 1830 on Sunday, July 16. 11.3 Championship / President’s Division Races (Races 4 – 7) – The fleet will be divided into Divisions in accordance with TCA Bylaw Article XIV, Section 9(a).

Thistle Nationals SI Amendment 3.3 will be amended to read 3.3 Radio communications between boats and the Race Committee will be on VHF 68 for the qualifying races. During the president and champion fleet races VHF Channel 68 for the Champions fleet and VHF channel 69 will be used for the President fleet.

Practice race is scheduled for 8am, July 15, 2023. It will take 15-20 minutes to get to racing area. We don't have volunteers scheduled to help launch boats until Monday. Dollys are by the ramps.

Sailing instructions have been uploaded.