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Answers lecture notes: CCC and Intersecting Course
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Study Material (EZS) 
... it's the last one for your preperations of the NAV examen . :-) 

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Subject: Answers lecture notes CCC and Intersecting Course
Date: Tue, 6 Mar 2018 08:21:36 +0000
From: Eef Willems <...@...>
To: ...@...



Answers lecture notes CCC and Intersecting Course

Hi everyboidy,
One of you asked me for the answers to the questions in the Lecture Notes at page 81. Here they are:

*Page 81*

CCC: Q8: WT. Q9: to Port.
Intersecting Course: Q7: total 12,6M, so 2hr and 6 min. in this example on page 80.

Q8. Current has no influence on the construction of the intersecting course, both vessels are in the same water basin that moves in a certain direction.

Q9. Only once the helicopter starts playing a role or in case of sand banks or Traffic Separation Schemes, the tidal stream starts playing a role. In that case draw the direction of the current from the meeting point and circle around the distance covered by current. This distance should be the full period x the speed of the current. E.g. 2hr 6 min x 2 knots current = 4,2M set by current.

10. WT. If there is a strong wind, and we expect leeway, then correct for this expected angle of leeway. That will become the TC. Degrade that again till CC to pass on to the helmsman. The COG is the course between the point where you left from and the point where the current eventually takes you during the full period you need to get to the vessel in distress.

Good luck with your study, see you Friday, Eef
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