Chart correction N4/21 — chart 63413
63413 6Ed. 3/24/07 LAST NM N48/20 N4/21 Relocate Buoy “Additional Upper Spit” from 16°25′36.0″N 96°20′48.0″E to 16°25′36.0″N 96°21′00.0″E Buoy “Additional Upper Western” from 16°25′54.0″N 96°20′12.0″E to 16°25′50.4″N 96°20′24.6″E (See N45/20) (39, 41/20 Rangoon)
Source: NGA U.S. Notice to Mariners · edition: 6Ed. 3/24/07
Reference information — always verify against official Notices to Mariners before navigation.