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there are no other vessels around operating in a narrow channel the Master enters it in the ship's log necessary to avoid immediate danger
Their transmitters Their receivers Their radars Their lorans"
conduction convection radiation windage
make it possible that all vessels cross the schemes as nearly as practicable at right angles to the general direction of traffic flow reduce confusion to other ships as to the crossing vessels intentions and course enables that vessel to cross the lane as quickly reduce the number of collision
GPS DGPS GLONASS HF radio"
stay near the middle of the channel keep to the starboard side of any vessels you meet exchange whistle signals with any other vessels in the channel keep to the side of the channel which lies to your starboard"
The first vessel to sight the other should give way. The vessel making the slower speed should give way. Both vessels should alter course to starboard. Both vessels should alter course to port."
vessels routes paths channels
Vessels sailing in any condition of visibility Vessels sailing in reduced visibility Vessels sailing in good visibility Vessels sailing in separation schemes "
the number of specialized vessels is not small all oil tankers will carry some chemicals in near future the tramps and specialized vessels are the basic type of merchant ships container carriers should not be classed as tramps
radiat sheath-scret gravit quadrantal"
The crossing vessel is crossing the lane quickly The crossing vessels intention is not likely confused by other vessels The crossing vessels course is not likely confused by other vessels It reduces confusion to the crossing as to the intentions and courses of the vessels sailing inthe schemes"
to get to approach to proceed to close"
Passenger ships and high-speed crafts of 500 gross tons or more Oil tankers and Chemical tankers and Gas carriers Bulk freight vessels General cargo vessels
on board vessels ship-to-shore ship-to-ship on shore"
general cargo steel products harmful cargo machinery"
Vessels sailing in any condition of visibility Vessels sailing in reduced visibility Vessels sailing in good visibility Vessels sailing in separation schemes
All vessels 500 GRT and above All tankers All vessels built after 1998 All vessels on international routes