KNOWLEDGE

Sailing Knowledge航行知识

1. Explain the chart symbols and conventions on U.S. nautical charts in accordance with the terminology of Chart #1.

按照海图1中术语,解释美国海图中的各种图标和公约的含义。

2. Identify a source of official U.S. Coast Guard navigation publications.

从哪里可以得到美国海岸警卫队发行的导航出版物。

3. List the publications required for prudent navigation in the local area including the following ASA minimum requirements:

列举在地方水域航行时,船艇必须携带的导航出版物,至少包括下列ASA要求的项目:

  • Large scale charts of the area and Chart #1 当地的大比例海图,海图1

  • Federal Requirements for Recreational Boats 国家对休闲船艇的要求

  • USCG Navigation Rules 美国海岸警卫队航行规则

  • State small vessel regulations国家对小型船艇的规定

  • Local rules and regulations, if applicable 当地的规章制度,如有规定

  • Local Cruising Guides当地沿岸航行指南

  • Tide and current tables, (paper or electronic) 潮汐和海流表(纸质或电子版)

  • List of lights, buoys, and fog signals 航行灯、浮标、雾号列表

4. List the instruments required for prudent navigation in the local area including the following minimum requirements:

列举在地方水域航行时,船艇必须携带的工具或器材,至少包括下列项目:

  • Steering compass and deviation table 罗经和罗经自差表

  • Hand bearing compass and / or pelorus 手持罗经和/或哑罗经

  • Binoculars 双筒望远镜

  • Protractor or parallel rule 量角器或平行尺

  • Depth sounder or leadline 测深仪或测深绳

  • Pencil, eraser, and notebook 铅笔、橡皮和记事本

  • Dividers 海图分规

  • Watch or clock 钟表

  • Log / Knotmeter 计程仪/测速表

5. Describe the purpose of “Notice to Mariners.”

发布航海通告的目的是什么?

6. Use the tide and current tables to find:

利用潮汐和海流表,找到下列各项:

  • Times and heights of tides at reference and secondary ports. 主港和副港的潮汐时间和高度

  • Direction and rate of current at referenced and secondary stations. 主港和副港的海流流向和频率

7. Convert courses and bearings between true, magnetic, and compass.

在真航向、磁航向、罗经航向之间转换。

8. Check compass deviation by means such as a transit bearing.

检查磁罗经自差(如,利用串视方位)。

9. Plot a dead reckoning position on a chart using speed, time and course to steer.

在海图上用速度、时间和航向测绘一个航位推算位置,并向该位置航行。

10. Allow for the effect of current and leeway to plot the estimated position.

利用潮汐和风压差测绘上述位置。

11. Determine a course to steer which takes into account known current and leeway.

确定一个航向,要求该航向必须考虑当地海流和风压差。

12. Determine current given the course steered and speed and two observed positions.

已知航向,速度和两个观测点,推测出海流情况。

13. Plot a chart position from terrestrial objects using:

根据陆上物体在海图上测绘一个位置,要求利用:

  • Two or more bearings on different objects taken at one time. 同一时间测量两个或多个物体的方位

  • Bearings at different times (i.e. a running fix). 不同时段的方位(如:移动定位)

  • One bearing and transit range. 一个方位和一段距离

  • One distance (i.e. a sounding or dipping a light) and one bearing.

一段距离(即:水深或灯塔的初显距离),一个方位

14. Use the above techniques to chart a course of at least 20 miles and 3 course changes.

使用上题中的技巧,在海图上测绘一个位置,要求航程为20海里,期间变换3次航向。

15. Explain the terms and characteristics used for lighted navigation aids.

解释发光的助航标志的含义和特点。

16. Explain the significance of shapes, colors, and lights used in the buoyage system.

在航标系统中,航标的形状、颜色和辅助灯光的意义。


SKILLS

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