Chart correction N50/23 — chart 95136
95136 2Ed. 01/06/18 LAST NM N41/23 N50/23 Add Buoy "A" Y, pillar, "X" topmark, Fl(4) Y 8s [Q130.6] 34°54′00.6″N 127°36′58.7″E Buoy "B" Y, pillar, "X" topmark, Fl(4) Y 8s [Q130.6] 34°54′09.9″N 127°36′50.9″E Buoy "C" Y, pillar, "X" topmark, Fl(4) Y 8s [Q130.6] 34°54′10.4″N 127°36′48.2″E Buoy "D" Y, pillar, "X" topmark, Fl(4) Y 8s [Q130.6] 34°54′19.5″N 127°36′40.6″E (46(887)23 Busan)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 01/06/18
Reference information — always verify against official Notices to Mariners before navigation.