UKCVAR
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FEATURE OBJECT ATTRIBUTES
Attribute: Under Keel Clearance Variable
Acronym: UKCVAR Code: ?
Camel case: underKeelClearanceVariable
Attribute type: F
Definitions: (2 options)
- The minimum requested distance between the maximum static draught of the vessel of the highest point of the under water bottom defined by percentage of the ships draught.
- The distance between the lowest point of the ship's hull (normally some point on the keel) and the sea bottom, defined as a percentage of the ships draught.
References:
for option 1 ?????
for option 2 adapted; IHO S-32, 5th ed., 1994 items 5731, 5732
Indication:
Unit:
Resolution:
Format:
xx.xx
Example:
10.5 for a minimum Under Keel Clearance of 10.5 % of the current ship's draught.
Remarks:
UKC is calculated from the vessel's draft and various allowances. The figure below shows an example of the calculation of Gross UKC.
| David | Raphael | others | Jens |
|---|---|---|---|
| DA Y/N | RMM Y/N | others Y/N | Y |