Difference between revisions of "UKCLRN"

From IHO Nautical Information Processing Working Group
Jump to navigation Jump to search
 
 
(9 intermediate revisions by the same user not shown)
Line 13: Line 13:
 
Definition:
 
Definition:
  
The distance between the lowest point of the ship's hull, normally some point on the keel, and the sea bottom ((or the advertised water depth)). It can be expressed with fixed or variable values.
+
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:
 
Reference:
Line 25: Line 25:
 
!Sub-attribute!!Camel Code Identifier!!Multiplicity!!Sequential
 
!Sub-attribute!!Camel Code Identifier!!Multiplicity!!Sequential
 
|-
 
|-
|[[UKCFIX]]||underKeelClearanceFixed||0..1||True
+
|[[UKCFIX]]||underKeelClearanceFixed||0..1||n/a
 
|-
 
|-
|[[UKCVAR]]||underKeelClearanceVariable||0..1||True
+
|[[UKCVAR]]||underKeelClearanceVariable||0..1||n/a
 
|-
 
|-
|[[OPERAT]]|||operation||0..1||True
+
|(([[OPERAT]]))|||operation||0..1||True
 
|}
 
|}
 +
 +
 +
  
  
Line 49: Line 52:
 
Remarks:
 
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.
+
UKC is either a fixed allowance in feet or metres or a variable allowance calculated from a percentage of the vessel's draught.
 +
 
 +
 
 +
Distinction:
  
  
Comment:
 
  
The diagram below indicates the various allowances that need to be considered to establish underkeel clearance.
 
  
  
[[Image:UKC diagram.jpg]]
+
Justification:<br>
 +
<span style="color:red;">to be completed</span><br>
  
 +
Comments:
  
 +
No comments.
  
  

Latest revision as of 11:13, 20 June 2011

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 True










Remarks:

UKC is either a fixed allowance in feet or metres or a variable allowance calculated from a percentage of the vessel's draught.


Distinction:



Justification:
to be completed

Comments:

No comments.





David Raphael others Jens
Y Y others Y/N Y