Object Class: Navigation line


Acronym: NAVLNE (L)

Code: 85

Set Attribute_A: *CATNAV; DATEND; DATSTA; *ORIENT; PEREND; PERSTA; STATUS;

Set Attribute_B: INFORM; NINFOM; NTXTDS; SCAMAX; SCAMIN; TXTDSC;

Set Attribute_C: RECDAT; RECIND; SORDAT; SORIND;

Definition:

A navigation line is a straight line extending towards an area of navigational interest and generall y generated by two navigational aids or one navigational aid and a bearing. (Service Hydrographique et Océanographique de la Marine, France)

References:

INT 1: IM 1-3;

M-4: 433-433.5;

Remarks:

The portion of a navigation line that a ship should use for navigation is known as a recommended track.

The extent of the navigation line depends on the visibility of the navigational aid(s).

The attribute 'orientation' (ORIENT) specifies the orientation of the navigation line measured from th e water towards the navigational aid(s).

The recommended track is that portion of a 'navigation line' that a ship should use for navigation. (see below)

RECTRC

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Navaid Navaid

X--------------X------------------------------------------

NAVLNE

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Distinction: recommended route; recommended track;