Table 6.17 -- EDCS Attributes whose label begins with N
| Label | Definition | Attribute value type | EQ label | Related concepts | Code |
| NAME | The textual identifier or code used for an object. | STRING | 679 | ||
| NATIONAL_PAINT_SCHEME | The applied national paint scheme. | ENUMERATION | 680 | ||
| NATIVE_SETTLEMENT_TYPE | The distribution of native dwellings within the delineated region of an object. | ENUMERATION | 681 | ||
| NAUTICAL_GATE_TYPE | The type of a nautical gate. | ENUMERATION | 682 | ||
| NAVAID | Identifies whether an object is marked or unmarked by a NAVAID. | ENUMERATION | 683 | ||
| NAVAID_DESCRIPTION | The textual description of NAVAIDs marking an object, e.g., "marked by buoys". | STRING | 684 | ||
| NAVAID_EFFECTIVENESS_RADIUS | The radius of effectiveness of a NAVAID. | REAL | LENGTH | 685 | |
| NAVAID_RANGE | The length of range established by NAVAIDs on the shore. | REAL | LENGTH | 686 | |
| NAVIGATION_LIGHT_INTENSITY | The fraction of maximum intensity of external lighting used to illuminate the environment in the direction of vehicle travel; also known as head lights. | REAL | PURE_NUMBER | 687 | |
| NAVIGATION_LINE_DESCRIPTION | The description of the objects that form a navigation line, e.g., a leading or clearing line. | STRING | 688 | ||
| NAVIGATION_LINE_TYPE | The type of a navigation line. | ENUMERATION | 689 | ||
| NAVIGATION_MARK_COLOUR | The colours of a navigation mark. | ENUMERATION | 690 | ||
| NAVIGATION_MARK_SYSTEM | The specific navigation marks system supported by an object. | ENUMERATION | 691 | ||
| NAVIGATION_MARKER_TYPE | The type of marker for navigation an object presents, e.g., visual beacon, visual daymark, or electronic beacon. | ENUMERATION | 692 | ||
| NOMINAL_LIGHT_RANGE | The luminous range when the meteorological range is 10 sea miles. | REAL | LENGTH | 693 | |
| NSC_DATE | The date a non-submarine contact was reported; coded as specified by ISO 8601:1988, 5.2.1.1. A non-submarine contact is any object, wreck, or other object on the sea floor that could be mistakenly identified as an operable submarine when detected with acoustic or magnetic sensors. | STRING | 694 | ||
| NSC_POSITION_ACCURACY | The position accuracy of a non-submarine contact; a non-submarine contact is any object, wreck, or other object on the sea floor that could be mistakenly identified as an operable submarine when detected with acoustic or magnetic sensors. | ENUMERATION | 695 | ||
| NSC_SOURCE | The source of a reported non-submarine contact; a non-submarine contact is any object, wreck, or other object on the sea floor that could be mistakenly identified as an operable submarine when detected with acoustic or magnetic sensors. | ENUMERATION | EA NSC_SOURCE_TYPE | 696 | |
| NSC_SOURCE_TYPE | The classification of a non-submarine contact reporting source. | ENUMERATION | EA NSC_SOURCE | 697 | |
| NSC_WRECK_IDENTIFIER | The numeric identifier of a wreck or other non-submarine contact; used for linking to an external database or reference. | INDEX | 698 | ||
| NULL | Null attribute concept; provided for information processing applications. | NULL | 699 | ||
| NUMERIC_IDENTIFIER | The numeric identifier (index) used to reference values in a related data structure. | INDEX | 700 | ||
| NUMERIC_OBJECT_IDENTIFIER | The numeric identifier of an object; used for linking to an external database or reference. | INDEX | 701 |