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所在平台: Udemy |
课程主页: https://www.udemy.com/course/navigation_piloting-small-boats/
课程评论：没有评论
**导航：小型船艇驾驶课程总结** 本课程强调“不依赖单一导航方法”的原则，尤其是在现代GPS设备普及的情况下，提醒学员不能完全依赖GPS。 **课程内容与目标：** * **为何不应只依赖GPS：** 文章通过两个场景说明了过度依赖GPS的风险： * **新手场景：** 仅依赖GPS进行短途航行，一旦GPS失效，在离开港口后可能难以根据海岸线确定自身位置。 * **经验丰富者场景：** 即便有多年经验，长距离航行中若GPS电池耗尽，也可能导致无法在海图上更新位置。 * **教授必要的导航技能：** 课程将教授学员如何： * **规划航线：** 绘制到达目的地的航线。 * **结合GPS数据与海图：** 将GPS获取的经纬度坐标标记在海图上。 * **陆标定位（Visual Fixes）：** 通过观测陆地上的参照物来确认海图上的位置。 * **利用测深仪数据：** 使用测深仪（depth sounder）提供的数据来验证当前位置。 * **推算航迹（Dead Reckoning）：** 估算船只在海图上的位置和前进方向。 * **适用范围：** 课程将使用美国新英格兰海岸的海图作为教学案例，但所学的技能易于推广至美国各地的湖泊和河流，以及国际水域。课程也会提及可能需要注意的差异之处。 **核心理念：** 课程旨在帮助学员掌握一套多重验证的导航方法，确保在各种情况下都能安全有效地进行船艇驾驶，避免因单一技术失效而陷入困境。
Navigation: Piloting Small BoatsAs a Naval Officer I learned a navigation protocol that says do not rely on one method of navigation. So that would mean we should not rely heavily only on our GPS devices. Let's look at a couple of scenarios. Scenario 1: You are just starting out in boating. Maybe you are a little unsure how to navigate to a port a short distance away and you plan on using your GPS to get there. You don't plan on using a paper chart since a chart is loaded onto your GPS. The problem with this scenario is that you are depending 100% on your GPS to get where you want go. If the GPS fails you will be in a dilemma. Once you leave port it is difficult to look at a surrounding shore line to determine your position. Scenario 2: Maybe you have many years of boating experience. You plan to go to a destination in Open Ocean that is 30 NM away. You plan to use your GPS to navigate all the way. You do have charts and probably have them open on your navigation table, but you haven't been using the charts to correlate and verify your position with the GPS. You may have a very good idea where you are on the chart, but if the GPS batteries die, you are stuck with getting your positon updated on the chart.In this course I will show you how to plot a course to your destination. Take the Lat/Long coordinates from your GPS and mark them on your plot. Take sights on landmarks to confirm your location on the plot. Use depth sounder data to confirm your position. Be able to dead reckon your progress on the plot.The course will use charts from the New England coast. The skills I will show you will be easily adaptable to lakes and rivers of the USA and also to other international waters of the world. I will mention areas where differences may be an issue.
