Object Class: Buoy, safe water
Acronym: BOYSAW (P)
Set Attribute_A: *BOYSHP; *COLOUR; #COLPAT; CONRAD; DATEND; DATSTA; MARSYS; NATCON; NOBJNM; OBJNAM; PEREND; PERSTA; STATUS; VERACC; VERLEN;
Set Attribute_B: INFORM; NINFOM; NTXTDS; PICREP; SCAMAX; SCAMIN; TXTDSC;
Set Attribute_C: RECDAT; RECIND; SORDAT; SORIND;
A buoy is a floating object moored to the bottom in a particular place, as an aid to navigation or for other specific purposes. (IHO Dictionary, S-32, 5th Edition, 565).
A safe water buoy is used to indicate that there is navigable water around the mark. (UKHO NP735, 5th Edition)
INT 1: IQ 130.5;
A safe water mark may be used as a centerline, mid-channel or landfall buoy, or to indicate the best point of passage under a fixed bridge.
Topmark, light, fog signal, radar reflector and retro-reflector are separate objects.
Distinction: buoy cardinal; buoy lateral; buoy isolated danger; buoy special purpose/general; mooring/warping facility;