Chart correction N27/20 — chart 53180
53180 11Ed. 7/25/15 LAST NM N23/20 N27/20 Delete Topmark and legend “(wavemeter)” from buoy 38°41.2′N 15°53.7′E Change Light to Fl G 3s 14m 5M 38°40.8′N 15°54.2′E (1(8)07, 7(10)17 Genova; ITA CH 13)
Source: NGA U.S. Notice to Mariners · edition: 11Ed. 7/25/15
Reference information — always verify against official Notices to Mariners before navigation.