Chart correction N50/20 — chart 53203
53203 12Ed. 2/23/13 LAST NM N40/20 N50/20 Add Submarine cable [L30.1] joining 35°56′04″N 14°20′37″E 35°55′58″N 14°20′20″E 35°55′56″N 14°20′06″E 35°56′04″N 14°18′55″E 35°56′08″N 14°18′43″E 35°56′16″N 14°18′32″E 35°56′47″N 14°18′04″E 35°59′46″N 14°17′04″E 36°00′40″N 14°16′53″E 36°00′40″N 14°16′47″E 36°00′46″N 14°16′51″E 36°00′58″N 14°16′43″E (49/20 Valletta)
Source: NGA U.S. Notice to Mariners · edition: 12Ed. 2/23/13
Reference information — always verify against official Notices to Mariners before navigation.