Chart correction N47/22 — chart 57484

57484 20Ed. 02/27/10 LAST NM N27/21 N47/22 Add Buoy Y, spherical, Fl(5) Y 20s with legend "waverider [Q130.6] enclosed by purple composite-line circle [N2.1], radius 150 meters, centered 33°51′53.3″S 18°23′30.6″E (9(84)22 Cape Town)

Source: NGA U.S. Notice to Mariners · edition: 20Ed. 02/27/10

Reference information — always verify against official Notices to Mariners before navigation.