Nav
Vertical distance between the lowest point of a vessel’s keel and the seabed referenced to chart datum; the key safety margin preventing grounding.
Quick answer: Vertical distance between the lowest point of a vessel’s keel and the seabed referenced to chart datum; the key safety margin preventing grounding.
This term page is part of the Protermify Maritime glossary and is published as static HTML for fast indexing and clear language coverage.
Vertical distance between the lowest point of a vessel’s keel and the seabed referenced to chart datum; the key safety margin preventing grounding.
Запас под килем matters because it supports clear communication in Nav contexts for Deck Officers, Engine Officers, and Masters. It also connects to aviation training and exam language such as STCW, Marlins Test, ISF Watchkeeper, and GMDSS.
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Questions and answers
In this glossary, Запас под килем refers to: Vertical distance between the lowest point of a vessel’s keel and the seabed referenced to chart datum; the key safety margin preventing grounding.
In maritime communication, this term appears in contexts such as: "Портовой контроль MV Aurora: запас под килем сейчас один целых две десятых метра по нулю карты; уменьшите скорость для снижения эффекта скуота и сообщите намерения."
Запас под килем matters because it supports clear communication in Nav contexts for Deck Officers, Engine Officers, and Masters. It also connects to aviation training and exam language such as STCW, Marlins Test, ISF Watchkeeper, and GMDSS.
Запас под килем is mainly used by Deck Officers, Engine Officers, and Masters.
In this glossary, Запас под килем is grouped under Nav. Related pages in this category explain adjacent procedures, commands and operational concepts.
This definition is sourced from IMO SMCP, STCW Convention, SOLAS, COLREG and published by Protermify Maritime as a static maritime reference page.
Vertical distance between the lowest point of a vessel’s keel and the seabed referenced to chart datum; the key safety margin preventing grounding.
Harbour Control to MV Aurora, your underkeel clearance is now one decimal two metres at chart datum; adjust speed to minimise squat and confirm intentions.
Запас под килем
Портовой контроль MV Aurora: запас под килем сейчас один целых две десятых метра по нулю карты; уменьшите скорость для снижения эффекта скуота и сообщите намерения.
English reference definition
IMO SMCP, STCW Convention, SOLAS, COLREG
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