Object Class: Topmark
CORRECTION to object class in S-57 Edition 3.1.2
The attributes DATEND, DATSTA, PEREND and PERSTA have been added to object class Topmark.
Acronym: TOPMAR (P)
Code: 144
Set Attribute_A: COLOUR; #COLPAT; DATEND; DATSTA; HEIGHT; MARSYS; PEREND; PERSTA; STATUS; *TOPSHP; VERACC; VERDAT; VERLEN;
Set Attribute_B: INFORM; NINFOM; NTXTDS; PICREP; SCAMAX; SCAMIN; TXTDSC;
Set Attribute_C: RECDAT; RECIND; SORDAT; SORIND;
Definition:
A characteristic shape secured at the top of a buoy or beacon to aid in its identification. (IHO Dictionary, S-32, 5th Edition, 5548)
References:
INT 1: IQ 9;
S-4: 463; 467
Remarks:
The body carrying the topmark is a separate object.
Distinction: beacon, cardinal; beacon, isolated danger; beacon, lateral; beacon, safe water; beacon special purpose/general; buoy, cardinal; buoy, installation; buoy, isolated danger; buoy, lateral; buoy, safe water; buoy, special purpose/general; daymark;