Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
ice class
|
| gptkbp:appliesTo |
ships
|
| gptkbp:definedIn |
gptkb:International_Association_of_Classification_Societies
|
| gptkbp:describes |
capable of year-round operation in thick first-year ice, which may include old ice inclusions
|
| https://www.w3.org/2000/01/rdf-schema#label |
Polar Class 4
|
| gptkbp:introducedIn |
2007
|
| gptkbp:lowerAward |
Polar Class 3
|
| gptkbp:partOf |
IACS Polar Class system
|
| gptkbp:rank |
gptkb:Polar_Class_5
|
| gptkbp:relatedTo |
icebreaker
|
| gptkbp:usedIn |
polar regions
|
| gptkbp:bfsParent |
gptkb:RRS_Sir_David_Attenborough
|
| gptkbp:bfsLayer |
6
|