Chart correction 49/20 — chart 93726
93726 5Ed. 2/10/07 LAST NM 47/20 49/20 Add Buoy “No 2” Y, pillar, “X” topmark, Mo(O) Y 12s [Q130.6] 22°43′39.3″N 113°38′35.1″E Buoy “L1” G, pillar, cone topmark, Fl G 4s 22°44′28.7″N 113°33′49.6″E Buoy “L2” R, pillar, can topmark, Fl R 4s 22°44′19.3″N 113°33′42.0″E (See 47/20) (26(1107)18, 18(611)20 Tianjin)
Source: NGA U.S. Notice to Mariners · edition: 5Ed. 2/10/07
Reference information — always verify against official Notices to Mariners before navigation.