Chart correction N30/21 — chart 61592

61592 6Ed. 2/25/17 LAST NM N4/21 N30/21 (Plan) Add Mooring buoy Y, spherical [Q40] 20°08′06.6″S 57°29′01.8″E Mooring buoy Y, spherical [Q40] 20°07′55.2″S 57°29′06.0″E Mooring buoy Y, spherical [Q40] 20°08′43.2″S 57°28′35.4″E Mooring buoy Y, spherical [Q40] 20°08′51.6″S 57°28′28.2″E (11(121)21 Dehra Dun)

Source: NGA U.S. Notice to Mariners · edition: 6Ed. 2/25/17

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