Ch. 12

Question 1

Formal plans are only needed if the master and mates have not recently made a passage in a particular area.

Answer 1

False

Question 2

Passages can be over planned. An inflexible passage plan, without alternatives based on professional planning and judgement, is as dangerous as no plan at all.

Answer 2

True

Question 3

Competent masters don’t prepare and carry pocket course cards because they memorize charts and passage plans from sea to the dock.

Answer 3

False

Question 4

All bridges should be standardized with identical layouts and equipment.

Answer 4

False

Question 5

Which of the following statements are true regarding the effects of bridge location on shiphandling.

Answer 5

• points of reference appear closer as bridge height increases
• Your ship appears to be moving more slowly as height of eye increases
• Turning rate is more difficult to detect when looking ahead from a bridge located close to the bow

Question 6

Any laptop usingDGPS and off-the-shelf software and charts can be used to navigate in ice, fog, rain, and other conditions that would have closed ports in the past

Answer 6

False

Question 7

DGPS laptop pilot navigation systems have the same line of sight limitations as radar so traffic cannot be seen beyond obstructions or beyond the radar horizon

Answer 7

False

Question 8

DGPS pilot systems are limited by….

Answer 8

Chart accuracy

Question 9

Modern laptop based DGPS navigation systems are extremely accurate and reliable, allowing pilots to navigate safely in any condition regardless of the accuracy or reliability of the ship’s navigation equipment

Answer 9

True

Question 10

There are significant differences between shiphandling in daylight and at night. Which of the following are true?

Answer 10

• Loss of depth perception at night makes it more difficult to estimate distance
• Speed can not be determined at night by looking ahead