Chart correction 49/20 — chart 63040
63040 2Ed. 12/15/01 LAST NM 48/20 49/20 Add Depth 11.2 meters, blue tint and enclosing depth contour (20-meter) centered 25°05.6′N 62°36.6′E (36(126)20 Karachi)
Source: NGA U.S. Notice to Mariners · edition: 2Ed. 12/15/01
Reference information — always verify against official Notices to Mariners before navigation.