Rule 7

Question 1

State the title of rule 7

Answer 1

Risk of collision

Question 2

Stae rule 7a

Answer 2

Every vessel shall use all available means appropriate to the
prevailing circumstances and conditions to determine if risk of
collision exists. If there is any doubt such risk shall be deemed
to exist.

Question 3

State rule 7b

Answer 3

Proper use shall be made of radar equipment if fitted and
operational, including long-range scanning to obtain early
warning of risk of collision and radar plotting or equivalent
systematic observation of detected objects.

Question 4

State rule 7c

Answer 4

Assumptions shall not be made on the basis of scanty information, especially scanty radar information

Question 5

According to rule 7d, what consideration (2) shall be taken into account if a risk of collision exists

Answer 5

i) Such risk shall be deemed to exist if the compass bearing of an approaching vessel does not appreciably change
ii) Such risk may sometimes exist even when an appreciable bearing change is evident, particularly when approaching a very large vessel or a tow or when approaching a vessel at close range