Chart correction N51/20 — chart 94218
94218 6Ed. 8/11/12 LAST NM N37/20 N51/20 Add Chartlet A from Subsection I-2 31°25′27.0″N 121°31′38.0″E Chartlet B from Subsection I-2 31°25′12.0″N 121°32′56.0″E Chartlet C from Subsection I-2 31°24′55.0″N 121°34′13.0″E Chartlet D from Subsection I-2 31°24′40.0″N 121°35′45.0″E Chartlet E from Subsection I-2 31°24′02.0″N 121°35′48.0″E Chartlet F from Subsection I-2 31°24′24.0″N 121°34′27.0″E (See N36/18) (UKHO ARCS 1601-1)
Source: NGA U.S. Notice to Mariners · edition: 6Ed. 8/11/12
Reference information — always verify against official Notices to Mariners before navigation.