What is Range Light Alignment?
Range Light Alignment The navigation technique of steering a vessel so that two range lights, one behind the other, appear vertically aligned, indicating the vessel is on the safe channel axis.
Source: IMO SMCP, STCW Convention, SOLAS, COLREG
How is “Range Light Alignment” Used in Practice?
Keep the vessel’s heading so that both range lights appear in line. If lights separate, correct course to regain range light alignment and notify VTS if necessary.
Certification Exam Relevance
Who Needs to Know This Term?
- Deck Officers
- Engine Officers
- Masters
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What is Range Light Alignment?
The navigation technique of steering a vessel so that two range lights, one behind the other, appear vertically aligned, indicating the vessel is on the safe channel axis.
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