Object Class: Caution area

Acronym: CTNARE (P,A)

Code: 27

Set Attribute_A: DATEND; DATSTA; PEREND; PERSTA;

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

Set Attribute_C: RECDAT; RECIND; SORDAT; SORIND;

Definition:

Generally, an area where the mariner has to be made aware of circumstances influencing the safety of navigation.

References:

INT 1: IM 29.2;

S-4: not specified;

Remarks:

This object class may be required to identify:

- a danger - a risk - a rule - advice

which is not directly related to a specific object.

Distinction: wrecks; underwater rocks; obstructions; unsurveyed area;