06 - Anchorage Plotting

Question 1

Approach Track

Answer 1

The track that a vessel must make good in order to arrive at the center of her assigned berth

Question 2

Head Bearing (HB)

Answer 2

A bearing to a visual aid from the approach track. The anchorage point should be chosen by finding a HB that will exactly math the approach course

Question 3

Letting-Go-Circle (LGC)

Answer 3

Distance between the hawespipe and the pelorus

• Location that the anchor is let go is not the same as where the Nav is taking bearing

Question 4

Let-Go-Bearing (LGB)

Answer 4

Bearing to a visual aid from the point of intersection of the LGC and approach track

Question 5

Drag Circle

Answer 5

Hawespipe to pelorus + length of chain

Question 6

Swing Circle

Answer 6

Length of Chain + Length of ship