1 Providing information on a passage through a strait

2 Providing and reading back anchoring position coordinates

3 Vessel enters VTS area and must drop anchor to wait for pilot

4 Vessel ready to departure calls to ask clearance

6 Checking a reported spillage

7 Vessel must reduce excessive speed

8 Vessel navigating in a narrow waterway

9 Vessel in transit to pilot station

12 Strange object in the fairway

18 Getting underway without having received clearance

20 Tug operations: barge in tow

25 Vessel not under command

27 Asking for ship particulars and ETA

29 Approaching port

34 Sending the passage plan

39 Navigation in icy Arctic Navarea with icebreaker assistance