Respuesta :
Upstream or upriver is a term which is used when you are travelling against the direction of the flow of the river. There are some markers or symbols which are telling us something or how we should pass.
when you are travelling at dusk and you see a buoy with number 4 and a flashing red light you should keep the buoy on the starboard side that is on the right side. buoy with number 5 or any other number will indicate something different.
when you are travelling at dusk and you see a buoy with number 4 and a flashing red light you should keep the buoy on the starboard side that is on the right side. buoy with number 5 or any other number will indicate something different.
If we are moving upstream on a river at dusk and see a buoy with the number 4 and a flashing red light, we should keep the buoy on the right side.
What is a buoy?
A typical buoy with the no 4 is an float navigation mark that informs about other hazards etc on the water.
In conclusion, since we are moving upstream on a river at dusk and see a buoy with the number 4 and a flashing red light, we should keep the buoy on the right side.
Read more about buoy
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