Object Class: Buoy, special purpose/general
Acronym: BOYSPP (P)
Set Attribute_A: *BOYSHP; *CATSPM; *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 special purpose buoy is primarily used to indicate an area or feature, the nature of which is apparent from reference to a chart, Sailing Directions or Notices to Mariners. (UKHO NP 735, 5th Edition)
Buoy in general: A buoy whose appearance or purpose is not adequately known.
INT 1: IQ 130.6;
Topmark, light, fog signal, radar reflector and retro-reflector are separate objects.
Distinction: buoy lateral; buoy safe water; buoy isolated danger; buoy cardinal; buoy installation; mooring/warping facility;