在航线上只有一个红色浮标，如附件绕岛赛航线图。
Only one Red Inflatable Buoy is on the race course see Attachment.
电子航线图表会通过与互联网连接的宽带卫星自动升级。
Electronic sea charts update automatically via a broadband satellite connection to the Internet.
无论如何，许多船员仍然更愿意制定航线图纸并亲手调整。
Nonetheless, many crews still prefer to plot their course with paper charts and make adjustments manually.
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