Abbreviations and symbols
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - Circulars - Maritime Safety Committee - MSC.1/Circular.1228 – Revised Guidance to the Master for Avoiding Dangerous Situations in Adverse Weather and Sea Conditions – (11 January 2007) - Annex - Revised Guidance to the Master for Avoiding Dangerous Situations in Adverse Weather and Sea Conditions - 4 Operational Guidance - Abbreviations and symbols

Abbreviations and symbols

Symbols Explanation Units
TW wave period s
λ wave length m
TE encounter period with waves s
α angle of encounter (α = 0° in head sea, α = 90° for sea from starboard side) degrees
V ship's speed knots
TR natural period of roll of ship s
L length of ship (between perpendiculars) m
Parent topic: 4 Operational Guidance
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