Difference between revisions of "UKCLRN"

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Attribute:  Under Keel Clearance
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Attribute:  Underkeel clearance
  
 
Acronym: UKCLRN Code:  
 
Acronym: UKCLRN Code:  
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Definition:
 
Definition:
  
Under-keel clearance means the minimum clearance available between the deepest
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The distance between the lowest point of the ship's hull, normally some point on the keel, and the sea bottom. It can be expressed with fixed or variable values.
point on the vessel and the bottom in still water. It can be defined in fixed are variable values.
 
  
{| style="background:#ccc99; color:black;" border="1" cellpadding="5" cellspacing="0" align="right"
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Reference:
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Based on IHO Dictionary, S-32, Edition 5 1994, and extended.
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{| style="background:#ccc99; color:black;" border="1" cellpadding="5" cellspacing="0" align="left"
 
!Sub-attribute!!Camel Code Identifier!!multiplicity!!sequential
 
!Sub-attribute!!Camel Code Identifier!!multiplicity!!sequential
 
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|-
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[[Image:UKC diagram.jpg]]
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Remarks:
 
Remarks:
  
No Remarks
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UKC is either a fixed allowance in feet or metres or a variable allowance calculated from a percentage of the vessel's draught. A further allowance has to be made for ship's roll and pitch.
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Comment:
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The diagram below indicates the various allowances that need to be considered to establish underkeel clearance.
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[[Image:UKC diagram.jpg]]
  
  
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|- style="background:white; color:black"
 
|- style="background:white; color:black"
 
|DA Y/N
 
|DA Y/N
|RMM Y/N
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|RMM Y
 
|others Y/N
 
|others Y/N
|Y
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|Y/N
 
|}
 
|}

Revision as of 03:57, 26 March 2010

FEATURE OBJECT ATTRIBUTES


Attribute: Underkeel clearance

Acronym: UKCLRN Code:

Camel case: underKeelClearance

Attribute type: Complex


Definition:

The distance between the lowest point of the ship's hull, normally some point on the keel, and the sea bottom. It can be expressed with fixed or variable values.

Reference:

Based on IHO Dictionary, S-32, Edition 5 1994, and extended.



Sub-attribute Camel Code Identifier multiplicity sequential
UKCFIX underKeelClearanceFixed 0..1 n/a
UKCVAR underKeelClearanceVariable 0..1 n/a
OPERAT operation 0..1 n/a









Remarks:

UKC is either a fixed allowance in feet or metres or a variable allowance calculated from a percentage of the vessel's draught. A further allowance has to be made for ship's roll and pitch.

Comment:

The diagram below indicates the various allowances that need to be considered to establish underkeel clearance.


File:UKC diagram.jpg






David Raphael others Jens
DA Y/N RMM Y others Y/N Y/N