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Pursuit Races

Pursuit Races

Appendix to the NSC Sailing Instructions for pursuit races.

  1. THE START
    1. The start times of each class will be listed on the course board at least 20 minutes before the first boat is due to start. Race Officer will choose a finish time and then calculate start times groups of vessels with similar Portsmouth Numbers. The race officer will use durations listed in one of the columns from an up-to-date table similar to the one below.
    2. Fast Boats - Slow Boats: Very slow boats will be racing for much longer than very fast boats. The committee may decide to run two competitions simultaneously; one for the faster boats, the other for the slower boats. Durations for each competition will be taken from different columns in the table Both competitions will finish at the same time.
    3. The start sequence will be indicated as follows:
    4. Assuming T is the start time of the first start (group with the longest duration).
      Warning signal for 1st start T - 3m H Flag raised one short sound signal
      Preparatory signal for 1st start T - 2m P Flag raised one short sound signal
      1min signal for 1st start T - 1m P Flag lowered one long sound signal
      1st start T H Flag lowered one short sound signal
      Thereafter, each group will get 30 seconds warning before their starts. 30 seconds before the start - H Flag raised. One long sound signal At the start - H Flag lowered. One short sound signal

  2. THE FINISH
    1. A few seconds before the finish, a line will be set up between a patrol boat and a marker buoy; a short distance ahead of the leading boat.
    2. At the planned race finish time, a long sound signal will be given to indicate the completion of the allocated time for the race. After the leading boat has passed through the line, the patrol boat will move backwards through the fleet and note the positions of the leading boats. Competitors should not attempt to overtake any boat after the finish signal has been sounded.

Durations for Pursuit Races of Different Lengths (short, shorter, medium, long, longer).

Class

PY

Longer

Long

Medium

Short

Shorter

14International

707

0:49:29:

0:42:25:

0:35:21:

0:28:17:

0:21:13:

2000

1114

1:17:59:

1:06:50:

0:55:42:

0:44:34:

0:33:25:

29ER

903

1:03:13:

0:54:11:

0:45:09:

0:36:07:

0:27:05:

4000

917

1:04:11:

0:55:01:

0:45:51:

0:36:41:

0:27:31:

505

903

1:03:13:

0:54:11:

0:45:09:

0:36:07:

0:27:05:

A CLASS

684

0:47:53:

0:41:02:

0:34:12:

0:27:22:

0:20:31:

B14

860

1:00:12:

0:51:36:

0:43:00:

0:34:24:

0:25:48:

Bosun

1198

1:23:52:

1:11:53:

0:59:54:

0:47:55:

0:35:56:

Buzz

1030

1:12:06:

1:01:48:

0:51:30:

0:41:12:

0:30:54:

BYTE CI

1215

1:25:03:

1:12:54:

1:00:45:

0:48:36:

0:36:27:

BYTE CII

1135

1:19:27:

1:08:06:

0:56:45:

0:45:24:

0:34:03:

CANOE INTERNATIONAL

884

1:01:53:

0:53:02:

0:44:12:

0:35:22:

0:26:31:

CONTENDER

969

1:07:50:

0:58:08:

0:48:27:

0:38:46:

0:29:04:

Dart 16

890

1:02:18:

0:53:24:

0:44:30:

0:35:36:

0:26:42:

DART 18

832

0:58:14:

0:49:55:

0:41:36:

0:33:17:

0:24:58:

DEVOTI D-ONE

948

1:06:22:

0:56:53:

0:47:24:

0:37:55:

0:28:26:

DEVOTI D-ZERO

1029

1:12:02:

1:01:44:

0:51:27:

0:41:10:

0:30:52:

ENTERPRISE

1122

1:18:32:

1:07:19:

0:56:06:

0:44:53:

0:33:40:

EUROPE

1141

1:19:52:

1:08:28:

0:57:03:

0:45:38:

0:34:14:

Farr 3.7

1063

1:14:25:

1:03:47:

0:53:09:

0:42:31:

0:31:53:

FIREBALL

952

1:06:38:

0:57:07:

0:47:36:

0:38:05:

0:28:34:

FIREFLY

1172

1:22:02:

1:10:19:

0:58:36:

0:46:53:

0:35:10:

GP14

1130

1:19:06:

1:07:48:

0:56:30:

0:45:12:

0:33:54:

Hadron H1

1059

1:14:08:

1:03:32:

0:52:57:

0:42:22:

0:31:46:

Hobie Fox F20

658

0:46:04:

0:39:29:

0:32:54:

0:26:19:

0:19:44:

HORNET

955

1:06:51:

0:57:18:

0:47:45:

0:38:12:

0:28:39:

ISO

922

1:04:32:

0:55:19:

0:46:06:

0:36:53:

0:27:40:

LARK

1073

1:15:07:

1:04:23:

0:53:39:

0:42:55:

0:32:11:

LASER

1100

1:17:00:

1:06:00:

0:55:00:

0:44:00:

0:33:00:

LASER 4.7

1208

1:24:34:

1:12:29:

1:00:24:

0:48:19:

0:36:14:

Laser Bahia

1095

1:16:39:

1:05:42:

0:54:45:

0:43:48:

0:32:51:

Laser II

1085

1:15:57:

1:05:06:

0:54:15:

0:43:24:

0:32:33:

Laser Pico

1330

1:33:06:

1:19:48:

1:06:30:

0:53:12:

0:39:54:

LASER RADIAL

1147

1:20:17:

1:08:49:

0:57:21:

0:45:53:

0:34:25:

LASER STRATOS

1103

1:17:13:

1:06:11:

0:55:09:

0:44:07:

0:33:05:

Laser Vago XD

1074

1:15:11:

1:04:26:

0:53:42:

0:42:58:

0:32:13:

LIGHTNING 368

1162

1:21:20:

1:09:43:

0:58:06:

0:46:29:

0:34:52:

MERLIN-ROCKET

980

1:08:36:

0:58:48:

0:49:00:

0:39:12:

0:29:24:

MIRACLE

1194

1:23:35:

1:11:38:

0:59:42:

0:47:46:

0:35:49:

Mirror

1390

1:37:18:

1:23:24:

1:09:30:

0:55:36:

0:41:42:

MUSTO SKIFF

849

0:59:26:

0:50:56:

0:42:27:

0:33:58:

0:25:28:

NATIONAL 12

1064

1:14:29:

1:03:50:

0:53:12:

0:42:34:

0:31:55:

OPTIMIST

1642

1:54:56:

1:38:31:

1:22:06:

1:05:41:

0:49:16:

PHANTOM

1004

1:10:17:

1:00:14:

0:50:12:

0:40:10:

0:30:07:

RS 100 10.2

981

1:08:40:

0:58:52:

0:49:03:

0:39:14:

0:29:26:

RS 100 8.4

1004

1:10:17:

1:00:14:

0:50:12:

0:40:10:

0:30:07:

RS 200

1046

1:13:13:

1:02:46:

0:52:18:

0:41:50:

0:31:23:

RS 300

970

1:07:54:

0:58:12:

0:48:30:

0:38:48:

0:29:06:

RS 400

942

1:05:56:

0:56:31:

0:47:06:

0:37:41:

0:28:16:

RS 500

966

1:07:37:

0:57:58:

0:48:18:

0:38:38:

0:28:59:

RS 600

920

1:04:24:

0:55:12:

0:46:00:

0:36:48:

0:27:36:

RS 800

799

0:55:56:

0:47:56:

0:39:57:

0:31:58:

0:23:58:

RS AERO 5

1136

1:19:31:

1:08:10:

0:56:48:

0:45:26:

0:34:05:

RS AERO 7

1065

1:14:33:

1:03:54:

0:53:15:

0:42:36:

0:31:57:

RS AERO 9

1014

1:10:59:

1:00:50:

0:50:42:

0:40:34:

0:30:25:

RS FEVA XL

1244

1:27:05:

1:14:38:

1:02:12:

0:49:46:

0:37:19:

RS Quest

1130

1:19:06:

1:07:48:

0:56:30:

0:45:12:

0:33:54:

RS TERA PRO

1359

1:35:08:

1:21:32:

1:07:57:

0:54:22:

0:40:46:

RS TERA SPORT

1445

1:41:09:

1:26:42:

1:12:15:

0:57:48:

0:43:21:

RS VAREO

1093

1:16:31:

1:05:35:

0:54:39:

0:43:43:

0:32:47:

RS VISION

1137

1:19:35:

1:08:13:

0:56:51:

0:45:29:

0:34:07:

SOLO

1142

1:19:56:

1:08:31:

0:57:06:

0:45:41:

0:34:16:

SPITFIRE

719

0:50:20:

0:43:08:

0:35:57:

0:28:46:

0:21:34:

SPRINT 15

926

1:04:49:

0:55:34:

0:46:18:

0:37:02:

0:27:47:

SPRINT 15 SPORT

904

1:03:17:

0:54:14:

0:45:12:

0:36:10:

0:27:07:

STREAKER

1128

1:18:58:

1:07:41:

0:56:24:

0:45:07:

0:33:50:

SUPERNOVA

1077

1:15:23:

1:04:37:

0:53:51:

0:43:05:

0:32:19:

Topaz Duo

1190

1:23:18:

1:11:24:

0:59:30:

0:47:36:

0:35:42:

Topaz Uno

1251

1:27:34:

1:15:04:

1:02:33:

0:50:02:

0:37:32:

Topaz Vibe

1185

1:22:57:

1:11:06:

0:59:15:

0:47:24:

0:35:33:

Topaz Xenon

1079

1:15:32:

1:04:44:

0:53:57:

0:43:10:

0:32:22:

TOPPER

1365

1:35:33:

1:21:54:

1:08:15:

0:54:36:

0:40:57:

TOPPER 4.2

1409

1:38:38:

1:24:32:

1:10:27:

0:56:22:

0:42:16:

Unicorn

805

0:56:21:

0:48:18:

0:40:15:

0:32:12:

0:24:09:

WANDERER

1193

1:23:31:

1:11:35:

0:59:39:

0:47:43:

0:35:47:

WAYFARER

1102

1:17:08:

1:06:07:

0:55:06:

0:44:05:

0:33:04:

Last updated 11:54 on 30 June 2022

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