TERMS AND DEFINITIONS

ABBREVIATION MEANING
WATERLINE A line painted on a hull which shows the point to which a ship sinks when it is properly trimmed
WAY Movement of a ship through water such as headway, sternway or leeway
WCCON Whether Customs Cleared Or Not
WIBON Whether In Berth Or Not
WIFPON Whether In Free Pratique Or Not
WINDWARD Toward the direction from which the wind is coming
WIPON Whether In Port Or Not
WLTOHC Water Line-To-Hatch Coaming
WOG Without Guarantee
WP Weather Permitting. That time during which weather prevents working shall not count as laytime
WPD Weather Permitting Day
WWD Weather Working Day
WRIC Wire Rods In Collis
WWR When, Where Ready
WWWW Wibon, Wccon, Wifpon, Wipon
YAR York Antwerp Rules
YAW To swing or steer off course, as when running with a quartering sea
Z UTC = GMT