Chart correction N47/21 — chart 74311

74311 4Ed. 10/23/15 LAST NM N30/21 N47/21 Add Legend "Great North East Channel (see Note)" 10°12.1′S 142°58.0′E Note "GREAT NORTH EAST CHANNEL Waves generated by transiting ships can be hazardous for local island communities in the Great North East Channel. If safe and practical to do so, transiting ships are requested to reduce speed when passing within 1M of islands in the area." 11°07.0′S 142°42.0′E (See N12/20) (20(834)21 Wollongong) ★74451 5Ed. 12/4/15 NEW EDITION N47/21 (NGA)

Source: NGA U.S. Notice to Mariners · edition: 4Ed. 10/23/15

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