Chart correction N47/22 — chart 57488

57488 7Ed. 02/06/10 LAST NM N19/21 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′53.4″S 18°23′30.6″E (9(84)22 Cape Town)

Source: NGA U.S. Notice to Mariners · edition: 7Ed. 02/06/10

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