Chart correction N51/20 — chart 97034
97034 (INT 5311) 2Ed. 2/4/16 LAST NM N18/20 N51/20 Add Double dashed line with legend “Submerged Jetty” [Fb] between 34°59′49.0″N 136°48′47.4″E 34°59′56.4″N 136°48′53.4″E (43(794)20 Tokyo)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 2/4/16
Reference information — always verify against official Notices to Mariners before navigation.