Chart correction N49/21 — chart 53201
53201 7Ed. 05/19/12 LAST NM N16/21 N49/21 Substitute Dangerous wreck [K28] (PA) for depth 23 meters 37°12′09.5″N 15°14′03.4″E Add Helipad symbol [D18] 37°13′01.6″N 15°13′26.9″E (21(7)21 Genova)
Source: NGA U.S. Notice to Mariners · edition: 7Ed. 05/19/12
Reference information — always verify against official Notices to Mariners before navigation.